./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/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_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:00:13,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:00:13,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:00:13,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:00:13,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:00:13,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:00:13,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:00:13,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:00:13,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:00:13,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:00:13,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:00:13,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:00:13,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:00:13,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:00:13,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:00:13,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:00:13,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:00:13,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:00:13,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:00:13,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:00:13,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:00:13,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:00:13,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:00:13,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:00:13,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:00:13,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:00:13,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:00:13,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:00:13,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:00:13,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:00:13,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:00:13,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:00:13,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:00:13,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:00:13,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:00:13,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:00:13,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:00:13,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:00:13,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:00:13,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:00:13,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:00:13,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:00:13,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:00:13,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:00:13,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:00:13,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:00:13,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:00:13,912 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:00:13,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:00:13,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:00:13,913 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:00:13,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:00:13,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:00:13,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:00:13,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:00:13,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:00:13,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:00:13,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:00:13,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:00:13,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:00:13,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:00:13,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:00:13,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:00:13,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:00:13,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:00:13,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:00:13,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:00:13,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:00:13,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:00:13,917 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:00:13,917 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:00:13,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:00:13,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:00:13,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14116a47f3f4a2a033e7a89d50301476fe518641457365dd95d98c606e6851b5 [2021-12-07 00:00:14,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:00:14,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:00:14,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:00:14,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:00:14,122 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:00:14,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2021-12-07 00:00:14,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/data/e5c3f2f94/472f30b8d63a4a96958225ebd5f7d326/FLAGb603bd37e [2021-12-07 00:00:14,847 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:00:14,847 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2021-12-07 00:00:14,897 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/data/e5c3f2f94/472f30b8d63a4a96958225ebd5f7d326/FLAGb603bd37e [2021-12-07 00:00:15,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/data/e5c3f2f94/472f30b8d63a4a96958225ebd5f7d326 [2021-12-07 00:00:15,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:00:15,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:00:15,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:00:15,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:00:15,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:00:15,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:00:15" (1/1) ... [2021-12-07 00:00:15,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d23ca60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:15, skipping insertion in model container [2021-12-07 00:00:15,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:00:15" (1/1) ... [2021-12-07 00:00:15,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:00:15,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:00:18,622 WARN L230 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_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2021-12-07 00:00:18,624 WARN L230 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_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2021-12-07 00:00:18,624 WARN L230 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_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2021-12-07 00:00:18,624 WARN L230 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_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2021-12-07 00:00:18,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:00:18,699 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:00:19,044 WARN L230 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_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2021-12-07 00:00:19,045 WARN L230 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_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2021-12-07 00:00:19,045 WARN L230 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_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2021-12-07 00:00:19,045 WARN L230 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_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2021-12-07 00:00:19,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:00:19,255 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:00:19,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19 WrapperNode [2021-12-07 00:00:19,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:00:19,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:00:19,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:00:19,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:00:19,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19" (1/1) ... [2021-12-07 00:00:19,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19" (1/1) ... [2021-12-07 00:00:19,583 INFO L137 Inliner]: procedures = 642, calls = 3531, calls flagged for inlining = 319, calls inlined = 283, statements flattened = 8066 [2021-12-07 00:00:19,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:00:19,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:00:19,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:00:19,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:00:19,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19" (1/1) ... [2021-12-07 00:00:19,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19" (1/1) ... [2021-12-07 00:00:19,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19" (1/1) ... [2021-12-07 00:00:19,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19" (1/1) ... [2021-12-07 00:00:19,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19" (1/1) ... [2021-12-07 00:00:19,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19" (1/1) ... [2021-12-07 00:00:19,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19" (1/1) ... [2021-12-07 00:00:19,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:00:19,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:00:19,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:00:19,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:00:19,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19" (1/1) ... [2021-12-07 00:00:19,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:00:19,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:00:19,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:00:19,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65d4db6c-da08-4bbb-b7ed-c3d1e648d96c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:00:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-07 00:00:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-07 00:00:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-07 00:00:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-07 00:00:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 00:00:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 00:00:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-07 00:00:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-07 00:00:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-07 00:00:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-07 00:00:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 00:00:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 00:00:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-07 00:00:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-07 00:00:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2021-12-07 00:00:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2021-12-07 00:00:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-07 00:00:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-07 00:00:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-07 00:00:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-07 00:00:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 00:00:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 00:00:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 00:00:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 00:00:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2021-12-07 00:00:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2021-12-07 00:00:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-07 00:00:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-07 00:00:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2021-12-07 00:00:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2021-12-07 00:00:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2021-12-07 00:00:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2021-12-07 00:00:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 00:00:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 00:00:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2021-12-07 00:00:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2021-12-07 00:00:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2021-12-07 00:00:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2021-12-07 00:00:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-07 00:00:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-07 00:00:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-07 00:00:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-07 00:00:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 00:00:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 00:00:19,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-07 00:00:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-07 00:00:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2021-12-07 00:00:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2021-12-07 00:00:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 00:00:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 00:00:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-07 00:00:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-07 00:00:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2021-12-07 00:00:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2021-12-07 00:00:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:00:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-07 00:00:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-07 00:00:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-07 00:00:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-07 00:00:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-07 00:00:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-07 00:00:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-07 00:00:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-07 00:00:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 00:00:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 00:00:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 00:00:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2021-12-07 00:00:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2021-12-07 00:00:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 00:00:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 00:00:19,937 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 00:00:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 00:00:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 00:00:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2021-12-07 00:00:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2021-12-07 00:00:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-07 00:00:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-07 00:00:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:00:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2021-12-07 00:00:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2021-12-07 00:00:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 00:00:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 00:00:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2021-12-07 00:00:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2021-12-07 00:00:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-07 00:00:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-07 00:00:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 00:00:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 00:00:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2021-12-07 00:00:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2021-12-07 00:00:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-07 00:00:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-07 00:00:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-07 00:00:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-07 00:00:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2021-12-07 00:00:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_igbvf_exit_module_19_2 [2021-12-07 00:00:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-07 00:00:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-07 00:00:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2021-12-07 00:00:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2021-12-07 00:00:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-07 00:00:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-07 00:00:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-07 00:00:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-07 00:00:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-07 00:00:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-07 00:00:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 00:00:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 00:00:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-07 00:00:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-07 00:00:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-07 00:00:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-07 00:00:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-07 00:00:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-07 00:00:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:00:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-07 00:00:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-07 00:00:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-07 00:00:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-07 00:00:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-07 00:00:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-07 00:00:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-07 00:00:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-07 00:00:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2021-12-07 00:00:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2021-12-07 00:00:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:00:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2021-12-07 00:00:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2021-12-07 00:00:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-07 00:00:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-07 00:00:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-07 00:00:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-07 00:00:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:00:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:00:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:00:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-07 00:00:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-07 00:00:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2021-12-07 00:00:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2021-12-07 00:00:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2021-12-07 00:00:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2021-12-07 00:00:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2021-12-07 00:00:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2021-12-07 00:00:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-07 00:00:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-07 00:00:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2021-12-07 00:00:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2021-12-07 00:00:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-07 00:00:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-07 00:00:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-07 00:00:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-07 00:00:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2021-12-07 00:00:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2021-12-07 00:00:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 00:00:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 00:00:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-07 00:00:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-07 00:00:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2021-12-07 00:00:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2021-12-07 00:00:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2021-12-07 00:00:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2021-12-07 00:00:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 00:00:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 00:00:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-07 00:00:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-07 00:00:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2021-12-07 00:00:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2021-12-07 00:00:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2021-12-07 00:00:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2021-12-07 00:00:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:00:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:00:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-07 00:00:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-07 00:00:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2021-12-07 00:00:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2021-12-07 00:00:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-07 00:00:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-07 00:00:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 00:00:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 00:00:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 00:00:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 00:00:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 00:00:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 00:00:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2021-12-07 00:00:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2021-12-07 00:00:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-07 00:00:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-07 00:00:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 00:00:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 00:00:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-07 00:00:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-07 00:00:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2021-12-07 00:00:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2021-12-07 00:00:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-07 00:00:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-07 00:00:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2021-12-07 00:00:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2021-12-07 00:00:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2021-12-07 00:00:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2021-12-07 00:00:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-07 00:00:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-07 00:00:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-07 00:00:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-07 00:00:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2021-12-07 00:00:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2021-12-07 00:00:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 00:00:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 00:00:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 00:00:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 00:00:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-07 00:00:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-07 00:00:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2021-12-07 00:00:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2021-12-07 00:00:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2021-12-07 00:00:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2021-12-07 00:00:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-07 00:00:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-07 00:00:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-07 00:00:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-07 00:00:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-07 00:00:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-07 00:00:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:00:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 00:00:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 00:00:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2021-12-07 00:00:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2021-12-07 00:00:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-07 00:00:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-07 00:00:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 00:00:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 00:00:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2021-12-07 00:00:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2021-12-07 00:00:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:00:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2021-12-07 00:00:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2021-12-07 00:00:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2021-12-07 00:00:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2021-12-07 00:00:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2021-12-07 00:00:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2021-12-07 00:00:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-07 00:00:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-07 00:00:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2021-12-07 00:00:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2021-12-07 00:00:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-07 00:00:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-07 00:00:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:00:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2021-12-07 00:00:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2021-12-07 00:00:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 00:00:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 00:00:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-07 00:00:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-07 00:00:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 00:00:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 00:00:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-07 00:00:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-07 00:00:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2021-12-07 00:00:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2021-12-07 00:00:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2021-12-07 00:00:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2021-12-07 00:00:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-07 00:00:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-07 00:00:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-07 00:00:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-07 00:00:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-07 00:00:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-07 00:00:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2021-12-07 00:00:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2021-12-07 00:00:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-07 00:00:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-12-07 00:00:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2021-12-07 00:00:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2021-12-07 00:00:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-07 00:00:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-07 00:00:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-07 00:00:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-07 00:00:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 00:00:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 00:00:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-07 00:00:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-07 00:00:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2021-12-07 00:00:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2021-12-07 00:00:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 00:00:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 00:00:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-07 00:00:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-07 00:00:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2021-12-07 00:00:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2021-12-07 00:00:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 00:00:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 00:00:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2021-12-07 00:00:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2021-12-07 00:00:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:00:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-07 00:00:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2021-12-07 00:00:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 00:00:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 00:00:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-07 00:00:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-07 00:00:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-12-07 00:00:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-12-07 00:00:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-07 00:00:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-07 00:00:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-07 00:00:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-07 00:00:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-07 00:00:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-07 00:00:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2021-12-07 00:00:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2021-12-07 00:00:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2021-12-07 00:00:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2021-12-07 00:00:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-07 00:00:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-07 00:00:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2021-12-07 00:00:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2021-12-07 00:00:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-07 00:00:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-07 00:00:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2021-12-07 00:00:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2021-12-07 00:00:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-07 00:00:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-07 00:00:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 00:00:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 00:00:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2021-12-07 00:00:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2021-12-07 00:00:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-07 00:00:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-07 00:00:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-07 00:00:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-07 00:00:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2021-12-07 00:00:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2021-12-07 00:00:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-07 00:00:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-07 00:00:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:00:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-07 00:00:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-07 00:00:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-07 00:00:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-07 00:00:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-07 00:00:20,683 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:00:20,687 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:00:20,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 00:00:24,848 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-07 00:00:24,935 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:00:24,958 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:00:24,959 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 00:00:24,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:00:24 BoogieIcfgContainer [2021-12-07 00:00:24,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:00:24,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:00:24,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:00:24,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:00:24,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:00:15" (1/3) ... [2021-12-07 00:00:24,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4cd2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:00:24, skipping insertion in model container [2021-12-07 00:00:24,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:00:19" (2/3) ... [2021-12-07 00:00:24,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4cd2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:00:24, skipping insertion in model container [2021-12-07 00:00:24,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:00:24" (3/3) ... [2021-12-07 00:00:24,969 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2021-12-07 00:00:24,973 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:00:24,973 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:00:25,021 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:00:25,026 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:00:25,026 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:00:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 2951 states, 2017 states have (on average 1.2583044124938028) internal successors, (2538), 2058 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) [2021-12-07 00:00:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-07 00:00:25,095 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:00:25,095 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:00:25,096 INFO L402 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] === [2021-12-07 00:00:25,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:00:25,100 INFO L85 PathProgramCache]: Analyzing trace with hash 646733772, now seen corresponding path program 1 times [2021-12-07 00:00:25,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:00:25,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020721594] [2021-12-07 00:00:25,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:00:25,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:00:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:00:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:00:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:00:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:00:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:00:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:00:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:00:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:00:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:00:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:00:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:00:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:00:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:00:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:00:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:00:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:00:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:00:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:00:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:00:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:00:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:00:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:00:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:00:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:00:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:00:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-07 00:00:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-07 00:00:26,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:00:26,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020721594] [2021-12-07 00:00:26,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020721594] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:00:26,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:00:26,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:00:26,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390668364] [2021-12-07 00:00:26,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:00:26,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:00:26,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:00:26,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:00:26,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:00:26,304 INFO L87 Difference]: Start difference. First operand has 2951 states, 2017 states have (on average 1.2583044124938028) internal successors, (2538), 2058 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) [2021-12-07 00:00:31,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:00:31,101 INFO L93 Difference]: Finished difference Result 9311 states and 13184 transitions. [2021-12-07 00:00:31,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:00:31,104 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 [2021-12-07 00:00:31,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:00:31,164 INFO L225 Difference]: With dead ends: 9311 [2021-12-07 00:00:31,164 INFO L226 Difference]: Without dead ends: 6399 [2021-12-07 00:00:31,189 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:00:31,192 INFO L933 BasicCegarLoop]: 4357 mSDtfsCounter, 5794 mSDsluCounter, 4579 mSDsCounter, 0 mSdLazyCounter, 2910 mSolverCounterSat, 2587 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6503 SdHoareTripleChecker+Valid, 8936 SdHoareTripleChecker+Invalid, 5497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2587 IncrementalHoareTripleChecker+Valid, 2910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:00:31,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6503 Valid, 8936 Invalid, 5497 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2587 Valid, 2910 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-07 00:00:31,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6399 states. [2021-12-07 00:00:31,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6399 to 5739. [2021-12-07 00:00:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5739 states, 3950 states have (on average 1.2529113924050632) internal successors, (4949), 4029 states have internal predecessors, (4949), 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) [2021-12-07 00:00:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5739 states to 5739 states and 7889 transitions. [2021-12-07 00:00:31,576 INFO L78 Accepts]: Start accepts. Automaton has 5739 states and 7889 transitions. Word has length 292 [2021-12-07 00:00:31,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:00:31,578 INFO L470 AbstractCegarLoop]: Abstraction has 5739 states and 7889 transitions. [2021-12-07 00:00:31,578 INFO L471 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) [2021-12-07 00:00:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 5739 states and 7889 transitions. [2021-12-07 00:00:31,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-12-07 00:00:31,594 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:00:31,595 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:00:31,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:00:31,595 INFO L402 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] === [2021-12-07 00:00:31,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:00:31,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1644724649, now seen corresponding path program 1 times [2021-12-07 00:00:31,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:00:31,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736082897] [2021-12-07 00:00:31,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:00:31,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:00:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:00:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:00:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:00:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:00:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:00:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:00:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:00:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:31,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:00:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:00:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:00:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:00:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:00:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:00:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:00:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:00:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:00:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:00:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:00:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:00:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:00:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:00:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:00:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:00:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:00:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:00:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:00:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:00:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:00:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:00:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:00:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:00:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:00:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:32,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2021-12-07 00:00:32,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:00:32,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736082897] [2021-12-07 00:00:32,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736082897] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:00:32,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:00:32,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:00:32,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077355490] [2021-12-07 00:00:32,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:00:32,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:00:32,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:00:32,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:00:32,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:00:32,414 INFO L87 Difference]: Start difference. First operand 5739 states and 7889 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) [2021-12-07 00:00:36,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:00:38,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:00:38,445 INFO L93 Difference]: Finished difference Result 12426 states and 17320 transitions. [2021-12-07 00:00:38,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:00:38,446 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 [2021-12-07 00:00:38,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:00:38,498 INFO L225 Difference]: With dead ends: 12426 [2021-12-07 00:00:38,498 INFO L226 Difference]: Without dead ends: 9533 [2021-12-07 00:00:38,509 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:00:38,510 INFO L933 BasicCegarLoop]: 7483 mSDtfsCounter, 4510 mSDsluCounter, 5978 mSDsCounter, 0 mSdLazyCounter, 2944 mSolverCounterSat, 1816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5217 SdHoareTripleChecker+Valid, 13461 SdHoareTripleChecker+Invalid, 4760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1816 IncrementalHoareTripleChecker+Valid, 2944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:00:38,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5217 Valid, 13461 Invalid, 4760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1816 Valid, 2944 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-12-07 00:00:38,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9533 states. [2021-12-07 00:00:38,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9533 to 8543. [2021-12-07 00:00:38,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8543 states, 5890 states have (on average 1.2534804753820035) internal successors, (7383), 6007 states have internal predecessors, (7383), 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) [2021-12-07 00:00:38,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8543 states to 8543 states and 11737 transitions. [2021-12-07 00:00:38,857 INFO L78 Accepts]: Start accepts. Automaton has 8543 states and 11737 transitions. Word has length 348 [2021-12-07 00:00:38,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:00:38,858 INFO L470 AbstractCegarLoop]: Abstraction has 8543 states and 11737 transitions. [2021-12-07 00:00:38,859 INFO L471 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) [2021-12-07 00:00:38,859 INFO L276 IsEmpty]: Start isEmpty. Operand 8543 states and 11737 transitions. [2021-12-07 00:00:38,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-12-07 00:00:38,870 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:00:38,871 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:00:38,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:00:38,871 INFO L402 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] === [2021-12-07 00:00:38,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:00:38,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1504176039, now seen corresponding path program 1 times [2021-12-07 00:00:38,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:00:38,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708878787] [2021-12-07 00:00:38,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:00:38,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:00:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:00:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:00:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:00:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:00:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:00:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:00:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:00:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:00:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:00:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:00:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:00:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:00:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:00:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:00:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:00:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:00:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:00:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:00:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:00:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:00:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:00:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:00:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:00:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:00:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:00:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:00:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:00:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:00:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:00:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:00:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:00:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:00:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2021-12-07 00:00:39,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:00:39,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708878787] [2021-12-07 00:00:39,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708878787] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:00:39,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:00:39,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:00:39,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39114678] [2021-12-07 00:00:39,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:00:39,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:00:39,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:00:39,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:00:39,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:00:39,654 INFO L87 Difference]: Start difference. First operand 8543 states and 11737 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) [2021-12-07 00:00:43,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:00:43,200 INFO L93 Difference]: Finished difference Result 9539 states and 13347 transitions. [2021-12-07 00:00:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:00:43,201 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 [2021-12-07 00:00:43,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:00:43,247 INFO L225 Difference]: With dead ends: 9539 [2021-12-07 00:00:43,247 INFO L226 Difference]: Without dead ends: 9537 [2021-12-07 00:00:43,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:00:43,252 INFO L933 BasicCegarLoop]: 3820 mSDtfsCounter, 4598 mSDsluCounter, 7544 mSDsCounter, 0 mSdLazyCounter, 3278 mSolverCounterSat, 1820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5011 SdHoareTripleChecker+Valid, 11364 SdHoareTripleChecker+Invalid, 5098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1820 IncrementalHoareTripleChecker+Valid, 3278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:00:43,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5011 Valid, 11364 Invalid, 5098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1820 Valid, 3278 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-07 00:00:43,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9537 states. [2021-12-07 00:00:43,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9537 to 8547. [2021-12-07 00:00:43,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8547 states, 5893 states have (on average 1.2533514339046326) internal successors, (7386), 6010 states have internal predecessors, (7386), 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) [2021-12-07 00:00:43,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8547 states to 8547 states and 11740 transitions. [2021-12-07 00:00:43,561 INFO L78 Accepts]: Start accepts. Automaton has 8547 states and 11740 transitions. Word has length 348 [2021-12-07 00:00:43,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:00:43,561 INFO L470 AbstractCegarLoop]: Abstraction has 8547 states and 11740 transitions. [2021-12-07 00:00:43,562 INFO L471 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) [2021-12-07 00:00:43,562 INFO L276 IsEmpty]: Start isEmpty. Operand 8547 states and 11740 transitions. [2021-12-07 00:00:43,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-12-07 00:00:43,573 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:00:43,573 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:00:43,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:00:43,573 INFO L402 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] === [2021-12-07 00:00:43,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:00:43,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1629871038, now seen corresponding path program 1 times [2021-12-07 00:00:43,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:00:43,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27801999] [2021-12-07 00:00:43,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:00:43,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:00:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:00:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:00:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:00:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:00:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:00:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:00:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:00:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:00:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:43,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:00:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:00:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:00:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:00:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:00:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:00:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:00:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:00:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:00:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:00:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:00:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:00:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:00:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:00:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:00:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:00:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:00:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:00:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:00:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:00:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:00:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:00:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:00:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:00:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 00:00:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2021-12-07 00:00:44,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:00:44,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27801999] [2021-12-07 00:00:44,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27801999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:00:44,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:00:44,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:00:44,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233740661] [2021-12-07 00:00:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:00:44,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:00:44,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:00:44,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:00:44,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:00:44,385 INFO L87 Difference]: Start difference. First operand 8547 states and 11740 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) [2021-12-07 00:00:47,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:00:47,741 INFO L93 Difference]: Finished difference Result 9543 states and 13350 transitions. [2021-12-07 00:00:47,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:00:47,741 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 [2021-12-07 00:00:47,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:00:47,777 INFO L225 Difference]: With dead ends: 9543 [2021-12-07 00:00:47,777 INFO L226 Difference]: Without dead ends: 9541 [2021-12-07 00:00:47,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:00:47,783 INFO L933 BasicCegarLoop]: 3827 mSDtfsCounter, 4584 mSDsluCounter, 7552 mSDsCounter, 0 mSdLazyCounter, 3283 mSolverCounterSat, 1820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4997 SdHoareTripleChecker+Valid, 11379 SdHoareTripleChecker+Invalid, 5103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1820 IncrementalHoareTripleChecker+Valid, 3283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:00:47,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4997 Valid, 11379 Invalid, 5103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1820 Valid, 3283 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-07 00:00:47,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9541 states. [2021-12-07 00:00:48,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9541 to 8551. [2021-12-07 00:00:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8551 states, 5896 states have (on average 1.2532225237449117) internal successors, (7389), 6013 states have internal predecessors, (7389), 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) [2021-12-07 00:00:48,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8551 states to 8551 states and 11743 transitions. [2021-12-07 00:00:48,078 INFO L78 Accepts]: Start accepts. Automaton has 8551 states and 11743 transitions. Word has length 353 [2021-12-07 00:00:48,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:00:48,078 INFO L470 AbstractCegarLoop]: Abstraction has 8551 states and 11743 transitions. [2021-12-07 00:00:48,079 INFO L471 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) [2021-12-07 00:00:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 8551 states and 11743 transitions. [2021-12-07 00:00:48,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-07 00:00:48,089 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:00:48,089 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:00:48,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:00:48,089 INFO L402 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] === [2021-12-07 00:00:48,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:00:48,090 INFO L85 PathProgramCache]: Analyzing trace with hash -873429191, now seen corresponding path program 1 times [2021-12-07 00:00:48,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:00:48,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236598825] [2021-12-07 00:00:48,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:00:48,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:00:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:00:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:00:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:00:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:00:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:00:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:00:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:00:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:00:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:00:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:00:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:00:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:00:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:00:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:00:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:00:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:00:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:00:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:00:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:00:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:00:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:00:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:00:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:00:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:00:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:00:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:00:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:00:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:00:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:00:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:00:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:00:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:00:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 00:00:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:00:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:48,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2832 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2828 trivial. 0 not checked. [2021-12-07 00:00:48,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:00:48,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236598825] [2021-12-07 00:00:48,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236598825] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:00:48,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:00:48,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:00:48,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794459007] [2021-12-07 00:00:48,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:00:48,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:00:48,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:00:48,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:00:48,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:00:48,710 INFO L87 Difference]: Start difference. First operand 8551 states and 11743 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) [2021-12-07 00:00:51,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:00:51,941 INFO L93 Difference]: Finished difference Result 9547 states and 13353 transitions. [2021-12-07 00:00:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:00:51,941 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 [2021-12-07 00:00:51,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:00:51,967 INFO L225 Difference]: With dead ends: 9547 [2021-12-07 00:00:51,967 INFO L226 Difference]: Without dead ends: 9545 [2021-12-07 00:00:51,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:00:51,972 INFO L933 BasicCegarLoop]: 3815 mSDtfsCounter, 4598 mSDsluCounter, 7529 mSDsCounter, 0 mSdLazyCounter, 3287 mSolverCounterSat, 1817 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5010 SdHoareTripleChecker+Valid, 11344 SdHoareTripleChecker+Invalid, 5104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1817 IncrementalHoareTripleChecker+Valid, 3287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-07 00:00:51,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5010 Valid, 11344 Invalid, 5104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1817 Valid, 3287 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-07 00:00:51,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2021-12-07 00:00:52,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 8555. [2021-12-07 00:00:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8555 states, 5899 states have (on average 1.253093744702492) internal successors, (7392), 6016 states have internal predecessors, (7392), 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) [2021-12-07 00:00:52,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8555 states to 8555 states and 11746 transitions. [2021-12-07 00:00:52,275 INFO L78 Accepts]: Start accepts. Automaton has 8555 states and 11746 transitions. Word has length 358 [2021-12-07 00:00:52,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:00:52,276 INFO L470 AbstractCegarLoop]: Abstraction has 8555 states and 11746 transitions. [2021-12-07 00:00:52,277 INFO L471 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) [2021-12-07 00:00:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 8555 states and 11746 transitions. [2021-12-07 00:00:52,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-12-07 00:00:52,287 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:00:52,287 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:00:52,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:00:52,287 INFO L402 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] === [2021-12-07 00:00:52,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:00:52,288 INFO L85 PathProgramCache]: Analyzing trace with hash 773449822, now seen corresponding path program 1 times [2021-12-07 00:00:52,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:00:52,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361029468] [2021-12-07 00:00:52,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:00:52,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:00:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:00:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:00:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:00:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:00:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:00:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:00:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:00:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:00:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:00:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:00:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:00:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:00:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:00:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:00:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:00:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:00:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:00:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:00:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:00:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:00:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:00:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:00:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:00:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:00:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:00:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:00:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:00:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:00:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:00:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:00:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:00:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:00:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 00:00:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:00:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:00:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:52,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2842 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2021-12-07 00:00:52,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:00:52,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361029468] [2021-12-07 00:00:52,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361029468] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:00:52,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:00:52,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:00:52,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806606395] [2021-12-07 00:00:52,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:00:52,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:00:52,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:00:52,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:00:52,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:00:52,887 INFO L87 Difference]: Start difference. First operand 8555 states and 11746 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) [2021-12-07 00:00:56,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:00:56,229 INFO L93 Difference]: Finished difference Result 9551 states and 13356 transitions. [2021-12-07 00:00:56,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:00:56,229 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 [2021-12-07 00:00:56,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:00:56,254 INFO L225 Difference]: With dead ends: 9551 [2021-12-07 00:00:56,254 INFO L226 Difference]: Without dead ends: 9549 [2021-12-07 00:00:56,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:00:56,258 INFO L933 BasicCegarLoop]: 3822 mSDtfsCounter, 4595 mSDsluCounter, 7547 mSDsCounter, 0 mSdLazyCounter, 3293 mSolverCounterSat, 1814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5003 SdHoareTripleChecker+Valid, 11369 SdHoareTripleChecker+Invalid, 5107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1814 IncrementalHoareTripleChecker+Valid, 3293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:00:56,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5003 Valid, 11369 Invalid, 5107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1814 Valid, 3293 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-07 00:00:56,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9549 states. [2021-12-07 00:00:56,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9549 to 8559. [2021-12-07 00:00:56,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8559 states, 5902 states have (on average 1.2529650965774313) internal successors, (7395), 6019 states have internal predecessors, (7395), 2179 states have call successors, (2179), 478 states have call predecessors, (2179), 477 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2021-12-07 00:00:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8559 states to 8559 states and 11749 transitions. [2021-12-07 00:00:56,579 INFO L78 Accepts]: Start accepts. Automaton has 8559 states and 11749 transitions. Word has length 363 [2021-12-07 00:00:56,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:00:56,580 INFO L470 AbstractCegarLoop]: Abstraction has 8559 states and 11749 transitions. [2021-12-07 00:00:56,580 INFO L471 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) [2021-12-07 00:00:56,580 INFO L276 IsEmpty]: Start isEmpty. Operand 8559 states and 11749 transitions. [2021-12-07 00:00:56,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-12-07 00:00:56,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:00:56,595 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:00:56,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 00:00:56,595 INFO L402 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] === [2021-12-07 00:00:56,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:00:56,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2098885095, now seen corresponding path program 1 times [2021-12-07 00:00:56,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:00:56,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370917563] [2021-12-07 00:00:56,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:00:56,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:00:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:00:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:00:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:00:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:00:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:00:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:00:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:00:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:00:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:00:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:00:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:00:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:00:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:00:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:00:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:00:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:00:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:00:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:00:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:00:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:00:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:00:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:00:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:00:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:00:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:00:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:00:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:00:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:00:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:00:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:00:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:00:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:00:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 00:00:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:00:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:00:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-07 00:00:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:57,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2856 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2848 trivial. 0 not checked. [2021-12-07 00:00:57,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:00:57,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370917563] [2021-12-07 00:00:57,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370917563] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:00:57,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:00:57,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:00:57,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712478217] [2021-12-07 00:00:57,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:00:57,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:00:57,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:00:57,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:00:57,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:00:57,269 INFO L87 Difference]: Start difference. First operand 8559 states and 11749 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) [2021-12-07 00:01:00,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:00,841 INFO L93 Difference]: Finished difference Result 9555 states and 13359 transitions. [2021-12-07 00:01:00,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:01:00,842 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 [2021-12-07 00:01:00,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:00,867 INFO L225 Difference]: With dead ends: 9555 [2021-12-07 00:01:00,867 INFO L226 Difference]: Without dead ends: 9553 [2021-12-07 00:01:00,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:01:00,871 INFO L933 BasicCegarLoop]: 3845 mSDtfsCounter, 4579 mSDsluCounter, 7596 mSDsCounter, 0 mSdLazyCounter, 3289 mSolverCounterSat, 1805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4984 SdHoareTripleChecker+Valid, 11441 SdHoareTripleChecker+Invalid, 5094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1805 IncrementalHoareTripleChecker+Valid, 3289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:00,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4984 Valid, 11441 Invalid, 5094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1805 Valid, 3289 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-07 00:01:00,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9553 states. [2021-12-07 00:01:01,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9553 to 8563. [2021-12-07 00:01:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8563 states, 5905 states have (on average 1.2528365791701948) internal successors, (7398), 6022 states have internal predecessors, (7398), 2179 states have call successors, (2179), 479 states have call predecessors, (2179), 478 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2021-12-07 00:01:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8563 states to 8563 states and 11752 transitions. [2021-12-07 00:01:01,215 INFO L78 Accepts]: Start accepts. Automaton has 8563 states and 11752 transitions. Word has length 368 [2021-12-07 00:01:01,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:01,216 INFO L470 AbstractCegarLoop]: Abstraction has 8563 states and 11752 transitions. [2021-12-07 00:01:01,216 INFO L471 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) [2021-12-07 00:01:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 8563 states and 11752 transitions. [2021-12-07 00:01:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-12-07 00:01:01,233 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:01,233 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:01:01,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 00:01:01,234 INFO L402 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] === [2021-12-07 00:01:01,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:01,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1137728766, now seen corresponding path program 1 times [2021-12-07 00:01:01,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:01,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128570940] [2021-12-07 00:01:01,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:01,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:01:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:01:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:01:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:01:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:01:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:01:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:01:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:01:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:01:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:01:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:01:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:01:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:01:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:01:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:01:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:01:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:01:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:01:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:01:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:01:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:01:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:01:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:01:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:01:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:01:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:01:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:01:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:01:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:01:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:01:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:01:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 00:01:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:01:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:01:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-07 00:01:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-07 00:01:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2874 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2864 trivial. 0 not checked. [2021-12-07 00:01:01,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:01,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128570940] [2021-12-07 00:01:01,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128570940] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:01,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:01,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:01:01,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927708157] [2021-12-07 00:01:01,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:01,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:01:01,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:01,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:01:01,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:01:01,825 INFO L87 Difference]: Start difference. First operand 8563 states and 11752 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) [2021-12-07 00:01:05,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:05,985 INFO L93 Difference]: Finished difference Result 9559 states and 13362 transitions. [2021-12-07 00:01:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:01:05,986 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 [2021-12-07 00:01:05,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:06,006 INFO L225 Difference]: With dead ends: 9559 [2021-12-07 00:01:06,006 INFO L226 Difference]: Without dead ends: 9557 [2021-12-07 00:01:06,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:01:06,009 INFO L933 BasicCegarLoop]: 3820 mSDtfsCounter, 4589 mSDsluCounter, 7535 mSDsCounter, 0 mSdLazyCounter, 3283 mSolverCounterSat, 1814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5005 SdHoareTripleChecker+Valid, 11355 SdHoareTripleChecker+Invalid, 5097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1814 IncrementalHoareTripleChecker+Valid, 3283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:06,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5005 Valid, 11355 Invalid, 5097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1814 Valid, 3283 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-07 00:01:06,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9557 states. [2021-12-07 00:01:06,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9557 to 8567. [2021-12-07 00:01:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8567 states, 5908 states have (on average 1.252708192281652) internal successors, (7401), 6025 states have internal predecessors, (7401), 2179 states have call successors, (2179), 480 states have call predecessors, (2179), 479 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2021-12-07 00:01:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8567 states to 8567 states and 11755 transitions. [2021-12-07 00:01:06,305 INFO L78 Accepts]: Start accepts. Automaton has 8567 states and 11755 transitions. Word has length 373 [2021-12-07 00:01:06,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:06,306 INFO L470 AbstractCegarLoop]: Abstraction has 8567 states and 11755 transitions. [2021-12-07 00:01:06,306 INFO L471 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) [2021-12-07 00:01:06,306 INFO L276 IsEmpty]: Start isEmpty. Operand 8567 states and 11755 transitions. [2021-12-07 00:01:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-12-07 00:01:06,317 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:06,318 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:01:06,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 00:01:06,318 INFO L402 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] === [2021-12-07 00:01:06,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:06,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1839649543, now seen corresponding path program 1 times [2021-12-07 00:01:06,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:06,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949748019] [2021-12-07 00:01:06,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:06,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:01:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:01:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:01:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:01:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:01:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:01:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:01:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:01:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:01:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:01:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:01:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:01:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:01:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:01:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:01:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:01:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:01:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:01:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:01:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:01:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:01:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:01:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:01:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:01:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:01:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:01:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:01:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:01:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:01:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:01:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:01:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 00:01:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:01:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:01:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-07 00:01:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-07 00:01:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-07 00:01:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:06,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2896 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2884 trivial. 0 not checked. [2021-12-07 00:01:06,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:06,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949748019] [2021-12-07 00:01:06,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949748019] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:06,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:06,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:01:06,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272658691] [2021-12-07 00:01:06,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:06,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:01:06,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:06,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:01:06,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:01:06,897 INFO L87 Difference]: Start difference. First operand 8567 states and 11755 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) [2021-12-07 00:01:10,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:10,672 INFO L93 Difference]: Finished difference Result 9563 states and 13365 transitions. [2021-12-07 00:01:10,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:01:10,673 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 [2021-12-07 00:01:10,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:10,696 INFO L225 Difference]: With dead ends: 9563 [2021-12-07 00:01:10,696 INFO L226 Difference]: Without dead ends: 9561 [2021-12-07 00:01:10,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:01:10,701 INFO L933 BasicCegarLoop]: 3813 mSDtfsCounter, 4599 mSDsluCounter, 7526 mSDsCounter, 0 mSdLazyCounter, 3283 mSolverCounterSat, 1817 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5010 SdHoareTripleChecker+Valid, 11339 SdHoareTripleChecker+Invalid, 5100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1817 IncrementalHoareTripleChecker+Valid, 3283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:10,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5010 Valid, 11339 Invalid, 5100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1817 Valid, 3283 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-07 00:01:10,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9561 states. [2021-12-07 00:01:10,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9561 to 8571. [2021-12-07 00:01:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8571 states, 5911 states have (on average 1.2525799357130774) internal successors, (7404), 6028 states have internal predecessors, (7404), 2179 states have call successors, (2179), 481 states have call predecessors, (2179), 480 states have return successors, (2175), 2133 states have call predecessors, (2175), 2175 states have call successors, (2175) [2021-12-07 00:01:11,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8571 states to 8571 states and 11758 transitions. [2021-12-07 00:01:11,018 INFO L78 Accepts]: Start accepts. Automaton has 8571 states and 11758 transitions. Word has length 378 [2021-12-07 00:01:11,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:11,018 INFO L470 AbstractCegarLoop]: Abstraction has 8571 states and 11758 transitions. [2021-12-07 00:01:11,018 INFO L471 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) [2021-12-07 00:01:11,018 INFO L276 IsEmpty]: Start isEmpty. Operand 8571 states and 11758 transitions. [2021-12-07 00:01:11,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-12-07 00:01:11,030 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:11,030 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 8, 7, 7, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:01:11,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 00:01:11,030 INFO L402 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] === [2021-12-07 00:01:11,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:11,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1930465571, now seen corresponding path program 1 times [2021-12-07 00:01:11,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:11,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544605856] [2021-12-07 00:01:11,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:11,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:01:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:01:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:01:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:01:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:01:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:01:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:01:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:01:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:01:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:01:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:01:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:01:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:01:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:01:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:01:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:01:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:01:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:01:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:01:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:01:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:01:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:01:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:01:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:01:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:01:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:01:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:01:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:01:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:01:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:01:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-07 00:01:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:01:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:01:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-07 00:01:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-07 00:01:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-12-07 00:01:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-07 00:01:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-07 00:01:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-07 00:01:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-07 00:01:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:11,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2933 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2914 trivial. 0 not checked. [2021-12-07 00:01:11,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:11,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544605856] [2021-12-07 00:01:11,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544605856] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:11,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:11,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:01:11,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031328518] [2021-12-07 00:01:11,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:11,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:01:11,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:11,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:01:11,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:01:11,505 INFO L87 Difference]: Start difference. First operand 8571 states and 11758 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-07 00:01:20,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:20,082 INFO L93 Difference]: Finished difference Result 18469 states and 25640 transitions. [2021-12-07 00:01:20,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:01:20,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 394 [2021-12-07 00:01:20,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:20,116 INFO L225 Difference]: With dead ends: 18469 [2021-12-07 00:01:20,116 INFO L226 Difference]: Without dead ends: 12744 [2021-12-07 00:01:20,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:01:20,134 INFO L933 BasicCegarLoop]: 7166 mSDtfsCounter, 5912 mSDsluCounter, 6216 mSDsCounter, 0 mSdLazyCounter, 5796 mSolverCounterSat, 4291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6407 SdHoareTripleChecker+Valid, 13382 SdHoareTripleChecker+Invalid, 10087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4291 IncrementalHoareTripleChecker+Valid, 5796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:20,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6407 Valid, 13382 Invalid, 10087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4291 Valid, 5796 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-12-07 00:01:20,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12744 states. [2021-12-07 00:01:20,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12744 to 11376. [2021-12-07 00:01:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11376 states, 7852 states have (on average 1.2530565461029037) internal successors, (9839), 8007 states have internal predecessors, (9839), 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) [2021-12-07 00:01:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11376 states to 11376 states and 15607 transitions. [2021-12-07 00:01:20,619 INFO L78 Accepts]: Start accepts. Automaton has 11376 states and 15607 transitions. Word has length 394 [2021-12-07 00:01:20,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:20,620 INFO L470 AbstractCegarLoop]: Abstraction has 11376 states and 15607 transitions. [2021-12-07 00:01:20,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-07 00:01:20,620 INFO L276 IsEmpty]: Start isEmpty. Operand 11376 states and 15607 transitions. [2021-12-07 00:01:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-12-07 00:01:20,633 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:20,633 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:01:20,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 00:01:20,633 INFO L402 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] === [2021-12-07 00:01:20,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:20,633 INFO L85 PathProgramCache]: Analyzing trace with hash 6764958, now seen corresponding path program 1 times [2021-12-07 00:01:20,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:20,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072781050] [2021-12-07 00:01:20,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:20,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:01:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:01:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:01:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:01:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:01:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:01:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:01:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:01:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:01:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:01:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:01:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:01:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:01:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:01:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:01:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:01:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:20,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:01:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:01:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:01:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:01:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:01:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:01:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:01:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:01:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:01:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:01:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:01:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:01:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:01:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:01:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:01:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 00:01:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:01:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:01:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-07 00:01:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-07 00:01:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-07 00:01:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-07 00:01:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:21,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2922 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2908 trivial. 0 not checked. [2021-12-07 00:01:21,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:21,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072781050] [2021-12-07 00:01:21,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072781050] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:21,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:21,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:01:21,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525374] [2021-12-07 00:01:21,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:21,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:01:21,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:21,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:01:21,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:01:21,195 INFO L87 Difference]: Start difference. First operand 11376 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, (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) [2021-12-07 00:01:24,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:24,929 INFO L93 Difference]: Finished difference Result 12702 states and 17744 transitions. [2021-12-07 00:01:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:01:24,929 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 [2021-12-07 00:01:24,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:24,959 INFO L225 Difference]: With dead ends: 12702 [2021-12-07 00:01:24,959 INFO L226 Difference]: Without dead ends: 12700 [2021-12-07 00:01:24,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:01:24,964 INFO L933 BasicCegarLoop]: 3819 mSDtfsCounter, 4591 mSDsluCounter, 7534 mSDsCounter, 0 mSdLazyCounter, 3280 mSolverCounterSat, 1813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5006 SdHoareTripleChecker+Valid, 11353 SdHoareTripleChecker+Invalid, 5093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1813 IncrementalHoareTripleChecker+Valid, 3280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:24,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5006 Valid, 11353 Invalid, 5093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1813 Valid, 3280 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-07 00:01:24,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12700 states. [2021-12-07 00:01:25,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12700 to 11380. [2021-12-07 00:01:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11380 states, 7855 states have (on average 1.252959898154042) internal successors, (9842), 8010 states have internal predecessors, (9842), 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) [2021-12-07 00:01:25,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11380 states to 11380 states and 15610 transitions. [2021-12-07 00:01:25,503 INFO L78 Accepts]: Start accepts. Automaton has 11380 states and 15610 transitions. Word has length 383 [2021-12-07 00:01:25,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:25,504 INFO L470 AbstractCegarLoop]: Abstraction has 11380 states and 15610 transitions. [2021-12-07 00:01:25,504 INFO L471 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) [2021-12-07 00:01:25,504 INFO L276 IsEmpty]: Start isEmpty. Operand 11380 states and 15610 transitions. [2021-12-07 00:01:25,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-12-07 00:01:25,517 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:25,517 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:01:25,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 00:01:25,517 INFO L402 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] === [2021-12-07 00:01:25,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:25,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1091738663, now seen corresponding path program 1 times [2021-12-07 00:01:25,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:25,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003832500] [2021-12-07 00:01:25,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:25,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:01:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:01:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:01:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:01:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:01:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:01:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:01:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:01:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:01:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:01:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:01:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:01:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:01:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:01:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:01:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:01:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:01:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:01:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:01:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:01:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:01:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:01:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:01:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:01:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:01:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:25,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:01:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:01:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:01:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:01:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:01:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:01:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 00:01:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:01:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:01:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-07 00:01:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-07 00:01:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-07 00:01:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-07 00:01:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-07 00:01:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2952 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2936 trivial. 0 not checked. [2021-12-07 00:01:26,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:26,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003832500] [2021-12-07 00:01:26,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003832500] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:26,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:26,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:01:26,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11571123] [2021-12-07 00:01:26,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:26,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:01:26,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:26,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:01:26,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:01:26,099 INFO L87 Difference]: Start difference. First operand 11380 states and 15610 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) [2021-12-07 00:01:30,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:30,343 INFO L93 Difference]: Finished difference Result 12706 states and 17747 transitions. [2021-12-07 00:01:30,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:01:30,343 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 [2021-12-07 00:01:30,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:30,374 INFO L225 Difference]: With dead ends: 12706 [2021-12-07 00:01:30,374 INFO L226 Difference]: Without dead ends: 12704 [2021-12-07 00:01:30,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:01:30,380 INFO L933 BasicCegarLoop]: 3824 mSDtfsCounter, 4593 mSDsluCounter, 7547 mSDsCounter, 0 mSdLazyCounter, 3278 mSolverCounterSat, 1806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5005 SdHoareTripleChecker+Valid, 11371 SdHoareTripleChecker+Invalid, 5084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1806 IncrementalHoareTripleChecker+Valid, 3278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:30,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5005 Valid, 11371 Invalid, 5084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1806 Valid, 3278 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-07 00:01:30,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12704 states. [2021-12-07 00:01:30,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12704 to 11384. [2021-12-07 00:01:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11384 states, 7858 states have (on average 1.252863324001018) internal successors, (9845), 8013 states have internal predecessors, (9845), 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) [2021-12-07 00:01:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11384 states to 11384 states and 15613 transitions. [2021-12-07 00:01:30,906 INFO L78 Accepts]: Start accepts. Automaton has 11384 states and 15613 transitions. Word has length 388 [2021-12-07 00:01:30,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:30,906 INFO L470 AbstractCegarLoop]: Abstraction has 11384 states and 15613 transitions. [2021-12-07 00:01:30,906 INFO L471 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) [2021-12-07 00:01:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 11384 states and 15613 transitions. [2021-12-07 00:01:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-12-07 00:01:30,917 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:30,917 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:01:30,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 00:01:30,917 INFO L402 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] === [2021-12-07 00:01:30,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:30,917 INFO L85 PathProgramCache]: Analyzing trace with hash 880574014, now seen corresponding path program 1 times [2021-12-07 00:01:30,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:30,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69110531] [2021-12-07 00:01:30,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:30,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:01:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:01:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:01:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:01:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:01:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:01:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:01:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:01:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:01:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:01:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:01:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:01:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:01:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:01:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:01:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:01:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:01:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:01:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:01:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:01:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:01:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:01:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:01:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:01:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:01:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:01:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:01:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:01:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:01:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:01:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:01:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 00:01:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:01:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:01:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-07 00:01:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-07 00:01:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-07 00:01:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-07 00:01:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-07 00:01:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-07 00:01:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2986 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2968 trivial. 0 not checked. [2021-12-07 00:01:31,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:31,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69110531] [2021-12-07 00:01:31,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69110531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:31,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:31,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:01:31,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485805183] [2021-12-07 00:01:31,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:31,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:01:31,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:31,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:01:31,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:01:31,483 INFO L87 Difference]: Start difference. First operand 11384 states and 15613 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) [2021-12-07 00:01:35,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:35,636 INFO L93 Difference]: Finished difference Result 12710 states and 17750 transitions. [2021-12-07 00:01:35,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:01:35,636 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 [2021-12-07 00:01:35,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:35,671 INFO L225 Difference]: With dead ends: 12710 [2021-12-07 00:01:35,671 INFO L226 Difference]: Without dead ends: 12708 [2021-12-07 00:01:35,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:01:35,676 INFO L933 BasicCegarLoop]: 3809 mSDtfsCounter, 4598 mSDsluCounter, 7512 mSDsCounter, 0 mSdLazyCounter, 3277 mSolverCounterSat, 1814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5015 SdHoareTripleChecker+Valid, 11321 SdHoareTripleChecker+Invalid, 5091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1814 IncrementalHoareTripleChecker+Valid, 3277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:35,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5015 Valid, 11321 Invalid, 5091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1814 Valid, 3277 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-07 00:01:35,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12708 states. [2021-12-07 00:01:36,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12708 to 11388. [2021-12-07 00:01:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11388 states, 7861 states have (on average 1.2527668235593437) internal successors, (9848), 8016 states have internal predecessors, (9848), 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) [2021-12-07 00:01:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11388 states to 11388 states and 15616 transitions. [2021-12-07 00:01:36,246 INFO L78 Accepts]: Start accepts. Automaton has 11388 states and 15616 transitions. Word has length 393 [2021-12-07 00:01:36,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:36,247 INFO L470 AbstractCegarLoop]: Abstraction has 11388 states and 15616 transitions. [2021-12-07 00:01:36,247 INFO L471 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) [2021-12-07 00:01:36,247 INFO L276 IsEmpty]: Start isEmpty. Operand 11388 states and 15616 transitions. [2021-12-07 00:01:36,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2021-12-07 00:01:36,257 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:36,258 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 24, 24, 24, 24, 24, 24, 11, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:01:36,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 00:01:36,258 INFO L402 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] === [2021-12-07 00:01:36,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:36,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1247978047, now seen corresponding path program 1 times [2021-12-07 00:01:36,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:36,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943529866] [2021-12-07 00:01:36,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:36,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:01:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:01:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:01:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:01:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:01:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:01:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:01:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:01:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:01:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:01:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:01:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:01:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:01:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:01:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:01:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:01:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:01:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:01:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:01:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:01:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:01:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:01:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:01:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:01:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:01:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:01:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:01:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:01:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:01:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:01:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-07 00:01:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-07 00:01:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:01:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-07 00:01:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-07 00:01:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:01:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-07 00:01:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-07 00:01:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-07 00:01:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-07 00:01:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-07 00:01:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-07 00:01:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-07 00:01:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:01:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-07 00:01:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-07 00:01:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3241 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3210 trivial. 0 not checked. [2021-12-07 00:01:36,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:36,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943529866] [2021-12-07 00:01:36,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943529866] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:36,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:36,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:01:36,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588319765] [2021-12-07 00:01:36,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:36,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:01:36,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:36,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:01:36,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:01:36,746 INFO L87 Difference]: Start difference. First operand 11388 states and 15616 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-07 00:01:46,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:46,926 INFO L93 Difference]: Finished difference Result 24452 states and 33895 transitions. [2021-12-07 00:01:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:01:46,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 433 [2021-12-07 00:01:46,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:46,965 INFO L225 Difference]: With dead ends: 24452 [2021-12-07 00:01:46,966 INFO L226 Difference]: Without dead ends: 15910 [2021-12-07 00:01:46,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:01:46,991 INFO L933 BasicCegarLoop]: 7157 mSDtfsCounter, 5931 mSDsluCounter, 6197 mSDsCounter, 0 mSdLazyCounter, 5783 mSolverCounterSat, 4277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6426 SdHoareTripleChecker+Valid, 13354 SdHoareTripleChecker+Invalid, 10060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4277 IncrementalHoareTripleChecker+Valid, 5783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:46,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6426 Valid, 13354 Invalid, 10060 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4277 Valid, 5783 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2021-12-07 00:01:47,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15910 states. [2021-12-07 00:01:47,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15910 to 14200. [2021-12-07 00:01:47,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14200 states, 9807 states have (on average 1.2529825634750689) internal successors, (12288), 10000 states have internal predecessors, (12288), 3594 states have call successors, (3594), 799 states have call predecessors, (3594), 798 states have return successors, (3590), 3520 states have call predecessors, (3590), 3590 states have call successors, (3590) [2021-12-07 00:01:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14200 states to 14200 states and 19472 transitions. [2021-12-07 00:01:47,781 INFO L78 Accepts]: Start accepts. Automaton has 14200 states and 19472 transitions. Word has length 433 [2021-12-07 00:01:47,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:47,781 INFO L470 AbstractCegarLoop]: Abstraction has 14200 states and 19472 transitions. [2021-12-07 00:01:47,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-07 00:01:47,782 INFO L276 IsEmpty]: Start isEmpty. Operand 14200 states and 19472 transitions. [2021-12-07 00:01:47,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2021-12-07 00:01:47,795 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:47,795 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 24, 24, 24, 24, 24, 24, 11, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:01:47,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-07 00:01:47,795 INFO L402 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] === [2021-12-07 00:01:47,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:47,796 INFO L85 PathProgramCache]: Analyzing trace with hash -710596739, now seen corresponding path program 1 times [2021-12-07 00:01:47,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:47,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680957145] [2021-12-07 00:01:47,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:47,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:01:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:01:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:01:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:01:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:01:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:01:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:01:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:01:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:01:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:01:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:01:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:01:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:01:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:01:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:01:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:01:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:01:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:01:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:01:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:01:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:01:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:01:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:01:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:01:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:01:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:01:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:01:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:01:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:01:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:01:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-07 00:01:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-07 00:01:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:01:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-07 00:01:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-07 00:01:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:01:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-07 00:01:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-07 00:01:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-07 00:01:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-07 00:01:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-07 00:01:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-07 00:01:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-07 00:01:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-07 00:01:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-07 00:01:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-07 00:01:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3241 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3210 trivial. 0 not checked. [2021-12-07 00:01:48,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:48,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680957145] [2021-12-07 00:01:48,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680957145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:48,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:48,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:01:48,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528818250] [2021-12-07 00:01:48,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:48,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:01:48,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:48,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:01:48,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:01:48,277 INFO L87 Difference]: Start difference. First operand 14200 states and 19472 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-07 00:01:58,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:58,193 INFO L93 Difference]: Finished difference Result 30337 states and 42065 transitions. [2021-12-07 00:01:58,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:01:58,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 433 [2021-12-07 00:01:58,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:58,248 INFO L225 Difference]: With dead ends: 30337 [2021-12-07 00:01:58,248 INFO L226 Difference]: Without dead ends: 18983 [2021-12-07 00:01:58,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:01:58,280 INFO L933 BasicCegarLoop]: 7156 mSDtfsCounter, 5900 mSDsluCounter, 6206 mSDsCounter, 0 mSdLazyCounter, 5780 mSolverCounterSat, 4213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6394 SdHoareTripleChecker+Valid, 13362 SdHoareTripleChecker+Invalid, 9993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4213 IncrementalHoareTripleChecker+Valid, 5780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:58,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6394 Valid, 13362 Invalid, 9993 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4213 Valid, 5780 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2021-12-07 00:01:58,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18983 states. [2021-12-07 00:01:59,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18983 to 17003. [2021-12-07 00:01:59,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17003 states, 11746 states have (on average 1.2532777115613827) internal successors, (14721), 11977 states have internal predecessors, (14721), 4301 states have call successors, (4301), 956 states have call predecessors, (4301), 955 states have return successors, (4297), 4213 states have call predecessors, (4297), 4297 states have call successors, (4297) [2021-12-07 00:01:59,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17003 states to 17003 states and 23319 transitions. [2021-12-07 00:01:59,151 INFO L78 Accepts]: Start accepts. Automaton has 17003 states and 23319 transitions. Word has length 433 [2021-12-07 00:01:59,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:59,152 INFO L470 AbstractCegarLoop]: Abstraction has 17003 states and 23319 transitions. [2021-12-07 00:01:59,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-07 00:01:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 17003 states and 23319 transitions. [2021-12-07 00:01:59,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-12-07 00:01:59,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:59,167 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 24, 24, 24, 24, 24, 24, 11, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:01:59,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 00:01:59,167 INFO L402 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] === [2021-12-07 00:01:59,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:59,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1012201893, now seen corresponding path program 1 times [2021-12-07 00:01:59,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:59,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964670032] [2021-12-07 00:01:59,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:59,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:01:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:01:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:01:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:01:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:01:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:01:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:01:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:01:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:01:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:01:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:01:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:01:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:01:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:01:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:01:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:01:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:01:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:01:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:01:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:01:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:01:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:01:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:01:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:01:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:01:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:01:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:01:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:01:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:01:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:01:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-07 00:01:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-07 00:01:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:01:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-07 00:01:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-07 00:01:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:01:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-07 00:01:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-07 00:01:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-07 00:01:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-07 00:01:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-07 00:01:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-07 00:01:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-07 00:01:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-07 00:01:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-07 00:01:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-07 00:01:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3243 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3223 trivial. 0 not checked. [2021-12-07 00:01:59,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:59,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964670032] [2021-12-07 00:01:59,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964670032] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:59,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:59,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:01:59,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091126257] [2021-12-07 00:01:59,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:59,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:01:59,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:59,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:01:59,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:01:59,804 INFO L87 Difference]: Start difference. First operand 17003 states and 23319 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-07 00:02:01,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:02:08,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:02:08,486 INFO L93 Difference]: Finished difference Result 18989 states and 26510 transitions. [2021-12-07 00:02:08,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:02:08,487 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 434 [2021-12-07 00:02:08,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:02:08,536 INFO L225 Difference]: With dead ends: 18989 [2021-12-07 00:02:08,536 INFO L226 Difference]: Without dead ends: 18987 [2021-12-07 00:02:08,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:02:08,545 INFO L933 BasicCegarLoop]: 3671 mSDtfsCounter, 5961 mSDsluCounter, 6471 mSDsCounter, 0 mSdLazyCounter, 5920 mSolverCounterSat, 3545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6304 SdHoareTripleChecker+Valid, 10142 SdHoareTripleChecker+Invalid, 9465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3545 IncrementalHoareTripleChecker+Valid, 5920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-07 00:02:08,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6304 Valid, 10142 Invalid, 9465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3545 Valid, 5920 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2021-12-07 00:02:08,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18987 states. [2021-12-07 00:02:09,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18987 to 17007. [2021-12-07 00:02:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17007 states, 11749 states have (on average 1.253213039407609) internal successors, (14724), 11980 states have internal predecessors, (14724), 4301 states have call successors, (4301), 957 states have call predecessors, (4301), 956 states have return successors, (4297), 4213 states have call predecessors, (4297), 4297 states have call successors, (4297) [2021-12-07 00:02:09,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17007 states to 17007 states and 23322 transitions. [2021-12-07 00:02:09,418 INFO L78 Accepts]: Start accepts. Automaton has 17007 states and 23322 transitions. Word has length 434 [2021-12-07 00:02:09,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:02:09,418 INFO L470 AbstractCegarLoop]: Abstraction has 17007 states and 23322 transitions. [2021-12-07 00:02:09,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-07 00:02:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 17007 states and 23322 transitions. [2021-12-07 00:02:09,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-07 00:02:09,434 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:02:09,434 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:02:09,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 00:02:09,434 INFO L402 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] === [2021-12-07 00:02:09,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:02:09,434 INFO L85 PathProgramCache]: Analyzing trace with hash 53357278, now seen corresponding path program 1 times [2021-12-07 00:02:09,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:02:09,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609167753] [2021-12-07 00:02:09,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:02:09,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:02:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:02:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:02:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:02:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:02:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:02:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:02:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:02:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:02:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:02:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:02:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:02:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:02:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:02:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:02:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:02:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:02:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:02:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:02:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:02:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:02:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:02:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:02:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:02:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:02:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:02:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:02:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:02:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:02:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:02:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:02:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:02:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:02:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 00:02:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:02:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:02:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-07 00:02:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-07 00:02:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-07 00:02:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-07 00:02:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-07 00:02:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:09,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-07 00:02:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:10,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-07 00:02:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:10,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-07 00:02:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3066 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3044 trivial. 0 not checked. [2021-12-07 00:02:10,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:02:10,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609167753] [2021-12-07 00:02:10,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609167753] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:02:10,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:02:10,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:02:10,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480278996] [2021-12-07 00:02:10,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:02:10,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:02:10,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:02:10,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:02:10,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:02:10,012 INFO L87 Difference]: Start difference. First operand 17007 states and 23322 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) [2021-12-07 00:02:14,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:02:14,615 INFO L93 Difference]: Finished difference Result 18993 states and 26513 transitions. [2021-12-07 00:02:14,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:02:14,616 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 [2021-12-07 00:02:14,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:02:14,669 INFO L225 Difference]: With dead ends: 18993 [2021-12-07 00:02:14,669 INFO L226 Difference]: Without dead ends: 18991 [2021-12-07 00:02:14,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:02:14,693 INFO L933 BasicCegarLoop]: 3826 mSDtfsCounter, 4583 mSDsluCounter, 7548 mSDsCounter, 0 mSdLazyCounter, 3281 mSolverCounterSat, 1812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4998 SdHoareTripleChecker+Valid, 11374 SdHoareTripleChecker+Invalid, 5093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1812 IncrementalHoareTripleChecker+Valid, 3281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:02:14,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4998 Valid, 11374 Invalid, 5093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1812 Valid, 3281 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-07 00:02:14,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18991 states. [2021-12-07 00:02:15,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18991 to 17011. [2021-12-07 00:02:15,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17011 states, 11752 states have (on average 1.2531484002722941) internal successors, (14727), 11983 states have internal predecessors, (14727), 4301 states have call successors, (4301), 958 states have call predecessors, (4301), 957 states have return successors, (4297), 4213 states have call predecessors, (4297), 4297 states have call successors, (4297) [2021-12-07 00:02:15,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17011 states to 17011 states and 23325 transitions. [2021-12-07 00:02:15,595 INFO L78 Accepts]: Start accepts. Automaton has 17011 states and 23325 transitions. Word has length 403 [2021-12-07 00:02:15,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:02:15,596 INFO L470 AbstractCegarLoop]: Abstraction has 17011 states and 23325 transitions. [2021-12-07 00:02:15,596 INFO L471 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) [2021-12-07 00:02:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 17011 states and 23325 transitions. [2021-12-07 00:02:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-12-07 00:02:15,611 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:02:15,612 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:02:15,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-07 00:02:15,612 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:02:15,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:02:15,612 INFO L85 PathProgramCache]: Analyzing trace with hash 897554841, now seen corresponding path program 1 times [2021-12-07 00:02:15,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:02:15,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100067732] [2021-12-07 00:02:15,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:02:15,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:02:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:02:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:02:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:02:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:02:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:02:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:02:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:02:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:02:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:02:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:02:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:02:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:02:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:02:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:02:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:02:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:02:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:02:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:02:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:02:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:15,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:02:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:02:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:02:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:02:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:02:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:02:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:02:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:02:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:02:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:02:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:02:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:02:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-07 00:02:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-07 00:02:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:02:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-07 00:02:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-07 00:02:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-07 00:02:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-07 00:02:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-07 00:02:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-07 00:02:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-07 00:02:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-07 00:02:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-07 00:02:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-07 00:02:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3088 trivial. 0 not checked. [2021-12-07 00:02:16,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:02:16,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100067732] [2021-12-07 00:02:16,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100067732] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:02:16,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:02:16,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:02:16,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746035291] [2021-12-07 00:02:16,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:02:16,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:02:16,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:02:16,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:02:16,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:02:16,203 INFO L87 Difference]: Start difference. First operand 17011 states and 23325 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) [2021-12-07 00:02:20,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:02:20,769 INFO L93 Difference]: Finished difference Result 18997 states and 26516 transitions. [2021-12-07 00:02:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:02:20,770 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 [2021-12-07 00:02:20,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:02:20,819 INFO L225 Difference]: With dead ends: 18997 [2021-12-07 00:02:20,819 INFO L226 Difference]: Without dead ends: 18993 [2021-12-07 00:02:20,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:02:20,827 INFO L933 BasicCegarLoop]: 3810 mSDtfsCounter, 4598 mSDsluCounter, 7516 mSDsCounter, 0 mSdLazyCounter, 3278 mSolverCounterSat, 1814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5013 SdHoareTripleChecker+Valid, 11326 SdHoareTripleChecker+Invalid, 5092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1814 IncrementalHoareTripleChecker+Valid, 3278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:02:20,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5013 Valid, 11326 Invalid, 5092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1814 Valid, 3278 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-07 00:02:20,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18993 states. [2021-12-07 00:02:21,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18993 to 17013. [2021-12-07 00:02:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17013 states, 11754 states have (on average 1.2530202484260677) internal successors, (14728), 11984 states have internal predecessors, (14728), 4301 states have call successors, (4301), 959 states have call predecessors, (4301), 957 states have return successors, (4297), 4213 states have call predecessors, (4297), 4297 states have call successors, (4297) [2021-12-07 00:02:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17013 states to 17013 states and 23326 transitions. [2021-12-07 00:02:21,762 INFO L78 Accepts]: Start accepts. Automaton has 17013 states and 23326 transitions. Word has length 408 [2021-12-07 00:02:21,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:02:21,763 INFO L470 AbstractCegarLoop]: Abstraction has 17013 states and 23326 transitions. [2021-12-07 00:02:21,763 INFO L471 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) [2021-12-07 00:02:21,763 INFO L276 IsEmpty]: Start isEmpty. Operand 17013 states and 23326 transitions. [2021-12-07 00:02:21,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-12-07 00:02:21,779 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:02:21,779 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 24, 24, 24, 24, 24, 24, 14, 13, 13, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:02:21,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 00:02:21,780 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:02:21,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:02:21,780 INFO L85 PathProgramCache]: Analyzing trace with hash 950104988, now seen corresponding path program 1 times [2021-12-07 00:02:21,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:02:21,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594479077] [2021-12-07 00:02:21,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:02:21,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:02:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:02:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:02:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:02:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:02:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:02:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:02:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:02:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:02:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:02:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:02:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:02:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:02:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:02:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:02:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:02:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 00:02:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:02:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-07 00:02:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-07 00:02:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-07 00:02:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:02:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 00:02:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 00:02:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 00:02:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:02:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-07 00:02:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-07 00:02:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-07 00:02:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-07 00:02:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-07 00:02:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-07 00:02:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-07 00:02:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-07 00:02:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-07 00:02:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-07 00:02:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-07 00:02:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:02:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-07 00:02:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-07 00:02:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-07 00:02:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-07 00:02:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-07 00:02:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-07 00:02:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-07 00:02:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-07 00:02:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-07 00:02:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-07 00:02:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-07 00:02:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-07 00:02:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-07 00:02:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3381 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3355 trivial. 0 not checked. [2021-12-07 00:02:22,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:02:22,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594479077] [2021-12-07 00:02:22,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594479077] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:02:22,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:02:22,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:02:22,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580366259] [2021-12-07 00:02:22,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:02:22,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:02:22,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:02:22,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:02:22,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:02:22,388 INFO L87 Difference]: Start difference. First operand 17013 states and 23326 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-12-07 00:02:24,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:02:31,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:02:31,577 INFO L93 Difference]: Finished difference Result 18993 states and 26512 transitions. [2021-12-07 00:02:31,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:02:31,578 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 449 [2021-12-07 00:02:31,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:02:31,580 INFO L225 Difference]: With dead ends: 18993 [2021-12-07 00:02:31,580 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 00:02:31,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:02:31,608 INFO L933 BasicCegarLoop]: 3672 mSDtfsCounter, 5947 mSDsluCounter, 6474 mSDsCounter, 0 mSdLazyCounter, 5922 mSolverCounterSat, 3542 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6289 SdHoareTripleChecker+Valid, 10146 SdHoareTripleChecker+Invalid, 9464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3542 IncrementalHoareTripleChecker+Valid, 5922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:02:31,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6289 Valid, 10146 Invalid, 9464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3542 Valid, 5922 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2021-12-07 00:02:31,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 00:02:31,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 00:02:31,608 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) [2021-12-07 00:02:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 00:02:31,612 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 449 [2021-12-07 00:02:31,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:02:31,612 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:02:31,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-12-07 00:02:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:02:31,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 00:02:31,614 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:02:31,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-07 00:02:31,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 00:04:32,524 WARN L227 SmtUtils]: Spent 2.01m 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) [2021-12-07 00:06:32,390 WARN L227 SmtUtils]: Spent 2.00m on a formula simplification. DAG size of input: 100 DAG size of output: 98 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-07 00:08:32,219 WARN L227 SmtUtils]: Spent 2.00m on a formula simplification. DAG size of input: 100 DAG size of output: 98 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-07 00:12:56,561 WARN L227 SmtUtils]: Spent 4.41m on a formula simplification. DAG size of input: 105 DAG size of output: 101 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)