./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:16:22,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:16:22,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:16:22,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:16:22,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:16:22,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:16:22,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:16:22,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:16:22,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:16:22,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:16:22,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:16:22,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:16:22,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:16:22,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:16:22,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:16:22,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:16:22,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:16:22,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:16:22,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:16:22,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:16:22,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:16:22,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:16:22,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:16:22,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:16:22,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:16:22,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:16:22,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:16:22,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:16:22,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:16:22,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:16:22,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:16:22,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:16:22,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:16:22,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:16:22,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:16:22,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:16:22,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:16:22,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:16:22,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:16:22,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:16:22,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:16:22,650 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 02:16:22,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:16:22,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:16:22,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:16:22,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:16:22,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:16:22,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:16:22,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:16:22,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:16:22,695 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:16:22,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:16:22,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:16:22,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:16:22,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:16:22,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:16:22,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:16:22,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:16:22,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:16:22,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:16:22,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:16:22,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:16:22,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:16:22,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:16:22,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:16:22,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:16:22,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:16:22,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:16:22,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:16:22,698 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:16:22,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:16:22,701 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:16:22,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:16:22,702 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 [2022-11-23 02:16:22,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:16:23,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:16:23,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:16:23,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:16:23,008 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:16:23,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-11-23 02:16:26,023 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:16:26,628 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:16:26,629 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-11-23 02:16:26,670 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/data/c8af6638e/67761991d6d6472f8ed69910a332912e/FLAGc442f163e [2022-11-23 02:16:26,691 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/data/c8af6638e/67761991d6d6472f8ed69910a332912e [2022-11-23 02:16:26,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:16:26,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:16:26,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:16:26,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:16:26,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:16:26,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:26" (1/1) ... [2022-11-23 02:16:26,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2056f6ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:26, skipping insertion in model container [2022-11-23 02:16:26,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:26" (1/1) ... [2022-11-23 02:16:26,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:16:26,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:16:29,923 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[347848,347861] [2022-11-23 02:16:29,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348017,348030] [2022-11-23 02:16:29,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348184,348197] [2022-11-23 02:16:29,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348352,348365] [2022-11-23 02:16:29,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:16:30,009 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:16:30,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[347848,347861] [2022-11-23 02:16:30,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348017,348030] [2022-11-23 02:16:30,502 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348184,348197] [2022-11-23 02:16:30,502 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i[348352,348365] [2022-11-23 02:16:30,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:16:30,704 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:16:30,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30 WrapperNode [2022-11-23 02:16:30,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:16:30,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:16:30,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:16:30,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:16:30,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (1/1) ... [2022-11-23 02:16:30,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (1/1) ... [2022-11-23 02:16:30,985 INFO L138 Inliner]: procedures = 451, calls = 2361, calls flagged for inlining = 206, calls inlined = 184, statements flattened = 5317 [2022-11-23 02:16:30,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:16:30,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:16:30,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:16:30,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:16:30,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (1/1) ... [2022-11-23 02:16:30,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (1/1) ... [2022-11-23 02:16:31,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (1/1) ... [2022-11-23 02:16:31,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (1/1) ... [2022-11-23 02:16:31,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (1/1) ... [2022-11-23 02:16:31,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (1/1) ... [2022-11-23 02:16:31,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (1/1) ... [2022-11-23 02:16:31,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (1/1) ... [2022-11-23 02:16:31,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:16:31,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:16:31,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:16:31,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:16:31,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (1/1) ... [2022-11-23 02:16:31,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:16:31,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:16:31,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:16:31,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed3e2-cf16-4bc5-963b-5fd11a024277/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:16:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 02:16:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 02:16:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 02:16:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 02:16:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 02:16:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 02:16:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 02:16:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 02:16:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2022-11-23 02:16:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2022-11-23 02:16:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 02:16:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 02:16:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2022-11-23 02:16:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2022-11-23 02:16:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 02:16:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 02:16:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-23 02:16:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-23 02:16:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 02:16:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 02:16:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2022-11-23 02:16:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2022-11-23 02:16:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 02:16:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 02:16:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-11-23 02:16:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-11-23 02:16:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-23 02:16:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-23 02:16:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_close [2022-11-23 02:16:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_close [2022-11-23 02:16:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2022-11-23 02:16:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2022-11-23 02:16:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 02:16:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 02:16:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 02:16:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 02:16:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-23 02:16:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-23 02:16:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 02:16:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 02:16:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2022-11-23 02:16:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2022-11-23 02:16:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 02:16:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 02:16:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:16:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-23 02:16:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-23 02:16:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-23 02:16:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-23 02:16:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 02:16:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 02:16:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2022-11-23 02:16:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2022-11-23 02:16:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 02:16:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 02:16:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 02:16:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2022-11-23 02:16:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2022-11-23 02:16:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 02:16:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 02:16:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 02:16:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 02:16:31,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 02:16:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2022-11-23 02:16:31,405 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2022-11-23 02:16:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:16:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 02:16:31,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 02:16:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2022-11-23 02:16:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2022-11-23 02:16:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 02:16:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 02:16:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 02:16:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 02:16:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-23 02:16:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-23 02:16:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2022-11-23 02:16:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2022-11-23 02:16:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 02:16:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 02:16:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 02:16:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 02:16:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2022-11-23 02:16:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2022-11-23 02:16:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 02:16:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 02:16:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 02:16:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 02:16:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2022-11-23 02:16:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2022-11-23 02:16:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2022-11-23 02:16:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2022-11-23 02:16:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 02:16:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 02:16:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 02:16:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 02:16:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 02:16:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2022-11-23 02:16:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2022-11-23 02:16:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 02:16:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 02:16:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:16:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 02:16:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 02:16:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 02:16:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 02:16:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 02:16:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 02:16:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_open [2022-11-23 02:16:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_open [2022-11-23 02:16:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 02:16:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 02:16:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2022-11-23 02:16:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2022-11-23 02:16:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 02:16:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 02:16:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 02:16:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 02:16:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 02:16:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 02:16:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 02:16:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 02:16:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2022-11-23 02:16:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2022-11-23 02:16:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2022-11-23 02:16:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2022-11-23 02:16:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:16:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:16:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 02:16:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 02:16:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 02:16:31,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 02:16:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 02:16:31,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 02:16:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-23 02:16:31,413 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-23 02:16:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-23 02:16:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-23 02:16:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2022-11-23 02:16:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2022-11-23 02:16:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 02:16:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 02:16:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 02:16:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 02:16:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 02:16:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 02:16:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 02:16:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 02:16:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2022-11-23 02:16:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2022-11-23 02:16:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-23 02:16:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-23 02:16:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:16:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 02:16:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 02:16:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 02:16:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2022-11-23 02:16:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2022-11-23 02:16:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2022-11-23 02:16:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2022-11-23 02:16:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 02:16:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-23 02:16:31,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-23 02:16:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-11-23 02:16:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-11-23 02:16:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-23 02:16:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-23 02:16:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 02:16:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 02:16:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 02:16:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 02:16:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-23 02:16:31,417 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-23 02:16:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 02:16:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 02:16:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 02:16:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 02:16:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2022-11-23 02:16:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2022-11-23 02:16:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2022-11-23 02:16:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2022-11-23 02:16:31,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 02:16:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 02:16:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 02:16:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 02:16:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 02:16:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 02:16:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 02:16:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 02:16:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:16:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-23 02:16:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-23 02:16:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 02:16:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 02:16:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2022-11-23 02:16:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2022-11-23 02:16:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 02:16:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 02:16:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-23 02:16:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-23 02:16:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2022-11-23 02:16:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2022-11-23 02:16:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 02:16:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 02:16:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2022-11-23 02:16:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2022-11-23 02:16:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2022-11-23 02:16:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2022-11-23 02:16:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2022-11-23 02:16:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2022-11-23 02:16:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 02:16:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 02:16:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2022-11-23 02:16:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2022-11-23 02:16:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-23 02:16:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-23 02:16:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:16:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-23 02:16:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-23 02:16:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 02:16:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 02:16:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2022-11-23 02:16:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2022-11-23 02:16:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-23 02:16:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-23 02:16:32,199 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:16:32,203 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:16:32,588 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 02:16:39,845 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 02:16:39,989 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:16:40,022 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:16:40,022 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 02:16:40,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:40 BoogieIcfgContainer [2022-11-23 02:16:40,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:16:40,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:16:40,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:16:40,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:16:40,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:16:26" (1/3) ... [2022-11-23 02:16:40,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254e2a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:16:40, skipping insertion in model container [2022-11-23 02:16:40,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:30" (2/3) ... [2022-11-23 02:16:40,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254e2a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:16:40, skipping insertion in model container [2022-11-23 02:16:40,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:40" (3/3) ... [2022-11-23 02:16:40,044 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-11-23 02:16:40,069 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:16:40,069 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-23 02:16:40,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:16:40,202 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@464b4495, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:16:40,203 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-23 02:16:40,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 1883 states, 1265 states have (on average 1.2885375494071147) internal successors, (1630), 1291 states have internal predecessors, (1630), 512 states have call successors, (512), 104 states have call predecessors, (512), 103 states have return successors, (505), 502 states have call predecessors, (505), 505 states have call successors, (505) [2022-11-23 02:16:40,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-23 02:16:40,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:16:40,251 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:16:40,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 02:16:40,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:16:40,259 INFO L85 PathProgramCache]: Analyzing trace with hash 749203797, now seen corresponding path program 1 times [2022-11-23 02:16:40,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:16:40,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153635495] [2022-11-23 02:16:40,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:16:40,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:16:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 02:16:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:16:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:16:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 02:16:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:16:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:16:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 02:16:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:16:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 02:16:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:16:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:16:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:16:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-23 02:16:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-11-23 02:16:41,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:16:41,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153635495] [2022-11-23 02:16:41,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153635495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:16:41,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:16:41,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:16:41,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334647657] [2022-11-23 02:16:41,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:16:41,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:16:41,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:16:41,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:16:41,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:16:41,575 INFO L87 Difference]: Start difference. First operand has 1883 states, 1265 states have (on average 1.2885375494071147) internal successors, (1630), 1291 states have internal predecessors, (1630), 512 states have call successors, (512), 104 states have call predecessors, (512), 103 states have return successors, (505), 502 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-23 02:16:48,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:16:48,462 INFO L93 Difference]: Finished difference Result 5692 states and 8184 transitions. [2022-11-23 02:16:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:16:48,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 149 [2022-11-23 02:16:48,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:16:48,523 INFO L225 Difference]: With dead ends: 5692 [2022-11-23 02:16:48,523 INFO L226 Difference]: Without dead ends: 3825 [2022-11-23 02:16:48,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:16:48,552 INFO L413 NwaCegarLoop]: 2202 mSDtfsCounter, 3472 mSDsluCounter, 2514 mSDsCounter, 0 mSdLazyCounter, 2784 mSolverCounterSat, 1427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3934 SdHoareTripleChecker+Valid, 4716 SdHoareTripleChecker+Invalid, 4211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 2784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-23 02:16:48,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3934 Valid, 4716 Invalid, 4211 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1427 Valid, 2784 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-23 02:16:48,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2022-11-23 02:16:48,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3597. [2022-11-23 02:16:48,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3597 states, 2431 states have (on average 1.2714932126696832) internal successors, (3091), 2480 states have internal predecessors, (3091), 961 states have call successors, (961), 203 states have call predecessors, (961), 202 states have return successors, (957), 951 states have call predecessors, (957), 957 states have call successors, (957) [2022-11-23 02:16:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3597 states and 5009 transitions. [2022-11-23 02:16:48,913 INFO L78 Accepts]: Start accepts. Automaton has 3597 states and 5009 transitions. Word has length 149 [2022-11-23 02:16:48,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:16:48,917 INFO L495 AbstractCegarLoop]: Abstraction has 3597 states and 5009 transitions. [2022-11-23 02:16:48,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-23 02:16:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3597 states and 5009 transitions. [2022-11-23 02:16:48,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-23 02:16:48,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:16:48,933 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:16:48,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:16:48,934 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 02:16:48,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:16:48,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1968351664, now seen corresponding path program 1 times [2022-11-23 02:16:48,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:16:48,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746650736] [2022-11-23 02:16:48,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:16:48,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:16:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 02:16:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:16:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:16:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 02:16:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:16:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:16:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 02:16:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:16:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 02:16:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:16:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:16:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:16:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-23 02:16:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-11-23 02:16:49,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:16:49,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746650736] [2022-11-23 02:16:49,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746650736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:16:49,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:16:49,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:16:49,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430447794] [2022-11-23 02:16:49,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:16:49,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:16:49,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:16:49,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:16:49,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:16:49,597 INFO L87 Difference]: Start difference. First operand 3597 states and 5009 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-23 02:16:56,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:16:56,257 INFO L93 Difference]: Finished difference Result 10859 states and 15188 transitions. [2022-11-23 02:16:56,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:16:56,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 150 [2022-11-23 02:16:56,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:16:56,310 INFO L225 Difference]: With dead ends: 10859 [2022-11-23 02:16:56,310 INFO L226 Difference]: Without dead ends: 7289 [2022-11-23 02:16:56,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:16:56,327 INFO L413 NwaCegarLoop]: 2241 mSDtfsCounter, 3191 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 2907 mSolverCounterSat, 1403 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3621 SdHoareTripleChecker+Valid, 4807 SdHoareTripleChecker+Invalid, 4310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1403 IncrementalHoareTripleChecker+Valid, 2907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:16:56,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3621 Valid, 4807 Invalid, 4310 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1403 Valid, 2907 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-23 02:16:56,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7289 states. [2022-11-23 02:16:56,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7289 to 6823. [2022-11-23 02:16:56,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6823 states, 4622 states have (on average 1.267200346170489) internal successors, (5857), 4722 states have internal predecessors, (5857), 1797 states have call successors, (1797), 402 states have call predecessors, (1797), 401 states have return successors, (1813), 1770 states have call predecessors, (1813), 1793 states have call successors, (1813) [2022-11-23 02:16:56,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6823 states to 6823 states and 9467 transitions. [2022-11-23 02:16:56,705 INFO L78 Accepts]: Start accepts. Automaton has 6823 states and 9467 transitions. Word has length 150 [2022-11-23 02:16:56,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:16:56,707 INFO L495 AbstractCegarLoop]: Abstraction has 6823 states and 9467 transitions. [2022-11-23 02:16:56,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-23 02:16:56,708 INFO L276 IsEmpty]: Start isEmpty. Operand 6823 states and 9467 transitions. [2022-11-23 02:16:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-23 02:16:56,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:16:56,712 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:16:56,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:16:56,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 02:16:56,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:16:56,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1127635450, now seen corresponding path program 1 times [2022-11-23 02:16:56,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:16:56,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920021660] [2022-11-23 02:16:56,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:16:56,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:16:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 02:16:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:16:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:16:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 02:16:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:16:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:16:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 02:16:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:16:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 02:16:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:16:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:16:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:16:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:16:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-23 02:16:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 02:16:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:16:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-11-23 02:16:57,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:16:57,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920021660] [2022-11-23 02:16:57,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920021660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:16:57,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:16:57,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 02:16:57,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235764564] [2022-11-23 02:16:57,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:16:57,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 02:16:57,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:16:57,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 02:16:57,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-23 02:16:57,689 INFO L87 Difference]: Start difference. First operand 6823 states and 9467 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-23 02:17:10,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:17:10,648 INFO L93 Difference]: Finished difference Result 27147 states and 37717 transitions. [2022-11-23 02:17:10,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 02:17:10,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 158 [2022-11-23 02:17:10,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:17:10,818 INFO L225 Difference]: With dead ends: 27147 [2022-11-23 02:17:10,819 INFO L226 Difference]: Without dead ends: 20351 [2022-11-23 02:17:10,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-23 02:17:10,866 INFO L413 NwaCegarLoop]: 2420 mSDtfsCounter, 7725 mSDsluCounter, 5109 mSDsCounter, 0 mSdLazyCounter, 7191 mSolverCounterSat, 3341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8591 SdHoareTripleChecker+Valid, 7529 SdHoareTripleChecker+Invalid, 10532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3341 IncrementalHoareTripleChecker+Valid, 7191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-23 02:17:10,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8591 Valid, 7529 Invalid, 10532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3341 Valid, 7191 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-11-23 02:17:10,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20351 states. [2022-11-23 02:17:12,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20351 to 18955. [2022-11-23 02:17:12,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18955 states, 12850 states have (on average 1.2582879377431906) internal successors, (16169), 13102 states have internal predecessors, (16169), 4921 states have call successors, (4921), 1190 states have call predecessors, (4921), 1181 states have return successors, (4977), 4826 states have call predecessors, (4977), 4917 states have call successors, (4977) [2022-11-23 02:17:12,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18955 states to 18955 states and 26067 transitions. [2022-11-23 02:17:12,294 INFO L78 Accepts]: Start accepts. Automaton has 18955 states and 26067 transitions. Word has length 158 [2022-11-23 02:17:12,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:17:12,296 INFO L495 AbstractCegarLoop]: Abstraction has 18955 states and 26067 transitions. [2022-11-23 02:17:12,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-23 02:17:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 18955 states and 26067 transitions. [2022-11-23 02:17:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-23 02:17:12,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:17:12,303 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 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] [2022-11-23 02:17:12,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:17:12,304 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 02:17:12,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:17:12,304 INFO L85 PathProgramCache]: Analyzing trace with hash -527078724, now seen corresponding path program 1 times [2022-11-23 02:17:12,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:17:12,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176728] [2022-11-23 02:17:12,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:17:12,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:17:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 02:17:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:17:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:17:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 02:17:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:17:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:17:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 02:17:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:17:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 02:17:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:17:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:17:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:17:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-23 02:17:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 02:17:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 02:17:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 02:17:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-23 02:17:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2022-11-23 02:17:12,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:17:12,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176728] [2022-11-23 02:17:12,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:17:12,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:17:12,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:17:12,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695812262] [2022-11-23 02:17:12,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:17:12,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:17:12,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:17:12,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:17:12,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:17:12,879 INFO L87 Difference]: Start difference. First operand 18955 states and 26067 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-23 02:17:18,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:17:18,550 INFO L93 Difference]: Finished difference Result 34353 states and 47361 transitions. [2022-11-23 02:17:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:17:18,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 195 [2022-11-23 02:17:18,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:17:18,821 INFO L225 Difference]: With dead ends: 34353 [2022-11-23 02:17:18,821 INFO L226 Difference]: Without dead ends: 15425 [2022-11-23 02:17:18,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:17:18,891 INFO L413 NwaCegarLoop]: 2466 mSDtfsCounter, 2355 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 2780 mSolverCounterSat, 1027 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2704 SdHoareTripleChecker+Valid, 5181 SdHoareTripleChecker+Invalid, 3807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1027 IncrementalHoareTripleChecker+Valid, 2780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-23 02:17:18,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2704 Valid, 5181 Invalid, 3807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1027 Valid, 2780 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-23 02:17:18,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15425 states. [2022-11-23 02:17:19,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15425 to 14579. [2022-11-23 02:17:19,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14579 states, 9950 states have (on average 1.261608040201005) internal successors, (12553), 10160 states have internal predecessors, (12553), 3658 states have call successors, (3658), 979 states have call predecessors, (3658), 968 states have return successors, (3684), 3568 states have call predecessors, (3684), 3654 states have call successors, (3684) [2022-11-23 02:17:19,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14579 states to 14579 states and 19895 transitions. [2022-11-23 02:17:19,648 INFO L78 Accepts]: Start accepts. Automaton has 14579 states and 19895 transitions. Word has length 195 [2022-11-23 02:17:19,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:17:19,649 INFO L495 AbstractCegarLoop]: Abstraction has 14579 states and 19895 transitions. [2022-11-23 02:17:19,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-23 02:17:19,649 INFO L276 IsEmpty]: Start isEmpty. Operand 14579 states and 19895 transitions. [2022-11-23 02:17:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-23 02:17:19,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:17:19,653 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:17:19,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:17:19,654 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 02:17:19,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:17:19,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1696346839, now seen corresponding path program 1 times [2022-11-23 02:17:19,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:17:19,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096937176] [2022-11-23 02:17:19,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:17:19,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:17:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 02:17:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:17:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:17:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 02:17:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:17:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:17:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:19,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 02:17:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:17:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 02:17:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:17:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:17:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:17:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-23 02:17:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 02:17:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 02:17:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 02:17:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-23 02:17:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 02:17:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2022-11-23 02:17:20,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:17:20,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096937176] [2022-11-23 02:17:20,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096937176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:17:20,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:17:20,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:17:20,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228566939] [2022-11-23 02:17:20,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:17:20,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:17:20,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:17:20,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:17:20,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:17:20,125 INFO L87 Difference]: Start difference. First operand 14579 states and 19895 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-23 02:17:26,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:17:26,552 INFO L93 Difference]: Finished difference Result 43665 states and 59982 transitions. [2022-11-23 02:17:26,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:17:26,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 198 [2022-11-23 02:17:26,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:17:26,738 INFO L225 Difference]: With dead ends: 43665 [2022-11-23 02:17:26,738 INFO L226 Difference]: Without dead ends: 29273 [2022-11-23 02:17:26,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:17:26,804 INFO L413 NwaCegarLoop]: 2373 mSDtfsCounter, 3383 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 2804 mSolverCounterSat, 1390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3835 SdHoareTripleChecker+Valid, 5084 SdHoareTripleChecker+Invalid, 4194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1390 IncrementalHoareTripleChecker+Valid, 2804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-23 02:17:26,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3835 Valid, 5084 Invalid, 4194 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1390 Valid, 2804 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-23 02:17:26,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29273 states. [2022-11-23 02:17:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29273 to 27673. [2022-11-23 02:17:28,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27673 states, 18898 states have (on average 1.260450841358874) internal successors, (23820), 19256 states have internal predecessors, (23820), 6938 states have call successors, (6938), 1849 states have call predecessors, (6938), 1834 states have return successors, (6994), 6807 states have call predecessors, (6994), 6934 states have call successors, (6994) [2022-11-23 02:17:28,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27673 states to 27673 states and 37752 transitions. [2022-11-23 02:17:28,717 INFO L78 Accepts]: Start accepts. Automaton has 27673 states and 37752 transitions. Word has length 198 [2022-11-23 02:17:28,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:17:28,718 INFO L495 AbstractCegarLoop]: Abstraction has 27673 states and 37752 transitions. [2022-11-23 02:17:28,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-23 02:17:28,718 INFO L276 IsEmpty]: Start isEmpty. Operand 27673 states and 37752 transitions. [2022-11-23 02:17:28,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-23 02:17:28,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:17:28,723 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:17:28,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 02:17:28,723 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 02:17:28,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:17:28,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1555798229, now seen corresponding path program 1 times [2022-11-23 02:17:28,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:17:28,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942855229] [2022-11-23 02:17:28,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:17:28,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:17:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 02:17:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:17:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:17:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 02:17:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:17:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:17:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 02:17:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:17:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 02:17:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:17:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:17:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:17:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-23 02:17:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 02:17:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 02:17:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 02:17:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-23 02:17:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 02:17:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-11-23 02:17:29,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:17:29,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942855229] [2022-11-23 02:17:29,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942855229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:17:29,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:17:29,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:17:29,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030295572] [2022-11-23 02:17:29,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:17:29,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:17:29,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:17:29,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:17:29,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:17:29,612 INFO L87 Difference]: Start difference. First operand 27673 states and 37752 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 02:17:34,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:17:34,785 INFO L93 Difference]: Finished difference Result 29275 states and 40281 transitions. [2022-11-23 02:17:34,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:17:34,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 198 [2022-11-23 02:17:34,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:17:34,968 INFO L225 Difference]: With dead ends: 29275 [2022-11-23 02:17:34,968 INFO L226 Difference]: Without dead ends: 29273 [2022-11-23 02:17:34,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 02:17:34,993 INFO L413 NwaCegarLoop]: 1851 mSDtfsCounter, 2748 mSDsluCounter, 4111 mSDsCounter, 0 mSdLazyCounter, 3347 mSolverCounterSat, 1084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 5962 SdHoareTripleChecker+Invalid, 4431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1084 IncrementalHoareTripleChecker+Valid, 3347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:17:34,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3034 Valid, 5962 Invalid, 4431 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1084 Valid, 3347 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-23 02:17:35,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29273 states. [2022-11-23 02:17:36,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29273 to 27677. [2022-11-23 02:17:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27677 states, 18901 states have (on average 1.2604095021427437) internal successors, (23823), 19259 states have internal predecessors, (23823), 6938 states have call successors, (6938), 1850 states have call predecessors, (6938), 1835 states have return successors, (6994), 6807 states have call predecessors, (6994), 6934 states have call successors, (6994) [2022-11-23 02:17:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27677 states to 27677 states and 37755 transitions. [2022-11-23 02:17:36,606 INFO L78 Accepts]: Start accepts. Automaton has 27677 states and 37755 transitions. Word has length 198 [2022-11-23 02:17:36,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:17:36,611 INFO L495 AbstractCegarLoop]: Abstraction has 27677 states and 37755 transitions. [2022-11-23 02:17:36,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 02:17:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 27677 states and 37755 transitions. [2022-11-23 02:17:36,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-23 02:17:36,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:17:36,616 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:17:36,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 02:17:36,616 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 02:17:36,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:17:36,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1571362068, now seen corresponding path program 1 times [2022-11-23 02:17:36,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:17:36,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769427728] [2022-11-23 02:17:36,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:17:36,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:17:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 02:17:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:17:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:17:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 02:17:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:17:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:17:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 02:17:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:17:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 02:17:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:17:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:17:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:17:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-23 02:17:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 02:17:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 02:17:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 02:17:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-23 02:17:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 02:17:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:17:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-11-23 02:17:37,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:17:37,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769427728] [2022-11-23 02:17:37,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769427728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:17:37,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:17:37,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:17:37,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262385706] [2022-11-23 02:17:37,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:17:37,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:17:37,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:17:37,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:17:37,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:17:37,459 INFO L87 Difference]: Start difference. First operand 27677 states and 37755 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 02:17:43,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:17:43,263 INFO L93 Difference]: Finished difference Result 29279 states and 40284 transitions. [2022-11-23 02:17:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:17:43,264 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 203 [2022-11-23 02:17:43,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:17:43,422 INFO L225 Difference]: With dead ends: 29279 [2022-11-23 02:17:43,423 INFO L226 Difference]: Without dead ends: 29277 [2022-11-23 02:17:43,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 02:17:43,444 INFO L413 NwaCegarLoop]: 1855 mSDtfsCounter, 2737 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 3353 mSolverCounterSat, 1080 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3023 SdHoareTripleChecker+Valid, 5974 SdHoareTripleChecker+Invalid, 4433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1080 IncrementalHoareTripleChecker+Valid, 3353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:17:43,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3023 Valid, 5974 Invalid, 4433 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1080 Valid, 3353 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-23 02:17:43,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29277 states. [2022-11-23 02:17:44,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29277 to 27681. [2022-11-23 02:17:44,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27681 states, 18904 states have (on average 1.2603681760473975) internal successors, (23826), 19262 states have internal predecessors, (23826), 6938 states have call successors, (6938), 1851 states have call predecessors, (6938), 1836 states have return successors, (6994), 6807 states have call predecessors, (6994), 6934 states have call successors, (6994) [2022-11-23 02:17:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27681 states to 27681 states and 37758 transitions. [2022-11-23 02:17:44,957 INFO L78 Accepts]: Start accepts. Automaton has 27681 states and 37758 transitions. Word has length 203 [2022-11-23 02:17:44,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:17:44,958 INFO L495 AbstractCegarLoop]: Abstraction has 27681 states and 37758 transitions. [2022-11-23 02:17:44,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 02:17:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 27681 states and 37758 transitions. [2022-11-23 02:17:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-23 02:17:44,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:17:44,964 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:17:44,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 02:17:44,964 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 02:17:44,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:17:44,965 INFO L85 PathProgramCache]: Analyzing trace with hash 315797387, now seen corresponding path program 1 times [2022-11-23 02:17:44,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:17:44,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009264027] [2022-11-23 02:17:44,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:17:44,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:17:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 02:17:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:17:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:17:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 02:17:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:17:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:17:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 02:17:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:17:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 02:17:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:17:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:45,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:17:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:17:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-23 02:17:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 02:17:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 02:17:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 02:17:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-23 02:17:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 02:17:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:17:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-23 02:17:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:46,095 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2022-11-23 02:17:46,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:17:46,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009264027] [2022-11-23 02:17:46,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009264027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:17:46,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:17:46,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:17:46,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572631911] [2022-11-23 02:17:46,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:17:46,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:17:46,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:17:46,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:17:46,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:17:46,098 INFO L87 Difference]: Start difference. First operand 27681 states and 37758 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 02:17:51,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:17:51,851 INFO L93 Difference]: Finished difference Result 29283 states and 40287 transitions. [2022-11-23 02:17:51,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:17:51,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 208 [2022-11-23 02:17:51,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:17:51,976 INFO L225 Difference]: With dead ends: 29283 [2022-11-23 02:17:51,977 INFO L226 Difference]: Without dead ends: 29281 [2022-11-23 02:17:51,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 02:17:51,993 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 2748 mSDsluCounter, 4090 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 1084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 5931 SdHoareTripleChecker+Invalid, 4434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1084 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-23 02:17:51,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 5931 Invalid, 4434 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1084 Valid, 3350 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-23 02:17:52,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29281 states. [2022-11-23 02:17:53,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29281 to 27685. [2022-11-23 02:17:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27685 states, 18907 states have (on average 1.2603268630665891) internal successors, (23829), 19265 states have internal predecessors, (23829), 6938 states have call successors, (6938), 1852 states have call predecessors, (6938), 1837 states have return successors, (6994), 6807 states have call predecessors, (6994), 6934 states have call successors, (6994) [2022-11-23 02:17:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27685 states to 27685 states and 37761 transitions. [2022-11-23 02:17:53,853 INFO L78 Accepts]: Start accepts. Automaton has 27685 states and 37761 transitions. Word has length 208 [2022-11-23 02:17:53,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:17:53,854 INFO L495 AbstractCegarLoop]: Abstraction has 27685 states and 37761 transitions. [2022-11-23 02:17:53,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 02:17:53,855 INFO L276 IsEmpty]: Start isEmpty. Operand 27685 states and 37761 transitions. [2022-11-23 02:17:53,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-23 02:17:53,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:17:53,860 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:17:53,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 02:17:53,860 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 02:17:53,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:17:53,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1054180056, now seen corresponding path program 1 times [2022-11-23 02:17:53,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:17:53,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807415971] [2022-11-23 02:17:53,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:17:53,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:17:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 02:17:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:17:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:17:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 02:17:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:17:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:17:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 02:17:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:17:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 02:17:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:17:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:17:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:17:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-23 02:17:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 02:17:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 02:17:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:17:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 02:17:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-23 02:17:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-23 02:17:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-23 02:17:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:17:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-23 02:17:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 02:17:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 02:17:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:17:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2022-11-23 02:17:54,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:17:54,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807415971] [2022-11-23 02:17:54,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807415971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:17:54,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:17:54,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:17:54,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865350357] [2022-11-23 02:17:54,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:17:54,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 02:17:54,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:17:54,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:17:54,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:17:54,429 INFO L87 Difference]: Start difference. First operand 27685 states and 37761 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 02:18:08,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:18:08,079 INFO L93 Difference]: Finished difference Result 70706 states and 97021 transitions. [2022-11-23 02:18:08,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 02:18:08,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 226 [2022-11-23 02:18:08,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:18:08,355 INFO L225 Difference]: With dead ends: 70706 [2022-11-23 02:18:08,355 INFO L226 Difference]: Without dead ends: 43208 [2022-11-23 02:18:08,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 02:18:08,438 INFO L413 NwaCegarLoop]: 2025 mSDtfsCounter, 3583 mSDsluCounter, 3176 mSDsCounter, 0 mSdLazyCounter, 6798 mSolverCounterSat, 2512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3906 SdHoareTripleChecker+Valid, 5201 SdHoareTripleChecker+Invalid, 9310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2512 IncrementalHoareTripleChecker+Valid, 6798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-23 02:18:08,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3906 Valid, 5201 Invalid, 9310 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2512 Valid, 6798 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-11-23 02:18:08,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43208 states. [2022-11-23 02:18:11,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43208 to 40791. [2022-11-23 02:18:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40791 states, 27867 states have (on average 1.259841389457064) internal successors, (35108), 28373 states have internal predecessors, (35108), 10218 states have call successors, (10218), 2722 states have call predecessors, (10218), 2703 states have return successors, (10304), 10046 states have call predecessors, (10304), 10214 states have call successors, (10304) [2022-11-23 02:18:11,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40791 states to 40791 states and 55630 transitions. [2022-11-23 02:18:11,434 INFO L78 Accepts]: Start accepts. Automaton has 40791 states and 55630 transitions. Word has length 226 [2022-11-23 02:18:11,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:18:11,435 INFO L495 AbstractCegarLoop]: Abstraction has 40791 states and 55630 transitions. [2022-11-23 02:18:11,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 02:18:11,435 INFO L276 IsEmpty]: Start isEmpty. Operand 40791 states and 55630 transitions. [2022-11-23 02:18:11,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-23 02:18:11,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:18:11,440 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 11, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:18:11,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 02:18:11,441 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 02:18:11,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:11,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1015090700, now seen corresponding path program 1 times [2022-11-23 02:18:11,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:11,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910521868] [2022-11-23 02:18:11,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:11,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 02:18:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:18:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:18:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 02:18:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:18:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:18:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 02:18:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:18:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 02:18:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:18:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:18:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:18:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-23 02:18:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 02:18:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 02:18:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 02:18:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-23 02:18:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 02:18:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:18:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-23 02:18:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-23 02:18:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:12,354 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-11-23 02:18:12,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:18:12,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910521868] [2022-11-23 02:18:12,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910521868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:18:12,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:18:12,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:18:12,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023456894] [2022-11-23 02:18:12,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:18:12,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:18:12,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:18:12,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:18:12,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:18:12,357 INFO L87 Difference]: Start difference. First operand 40791 states and 55630 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 02:18:19,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:18:19,340 INFO L93 Difference]: Finished difference Result 43179 states and 59403 transitions. [2022-11-23 02:18:19,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:18:19,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 213 [2022-11-23 02:18:19,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:18:19,475 INFO L225 Difference]: With dead ends: 43179 [2022-11-23 02:18:19,475 INFO L226 Difference]: Without dead ends: 43177 [2022-11-23 02:18:19,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 02:18:19,492 INFO L413 NwaCegarLoop]: 1852 mSDtfsCounter, 2741 mSDsluCounter, 4113 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 1077 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 5965 SdHoareTripleChecker+Invalid, 4427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1077 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-23 02:18:19,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3027 Valid, 5965 Invalid, 4427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1077 Valid, 3350 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-23 02:18:19,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43177 states. [2022-11-23 02:18:22,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43177 to 40795. [2022-11-23 02:18:22,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40795 states, 27870 states have (on average 1.2598134194474344) internal successors, (35111), 28376 states have internal predecessors, (35111), 10218 states have call successors, (10218), 2723 states have call predecessors, (10218), 2704 states have return successors, (10304), 10046 states have call predecessors, (10304), 10214 states have call successors, (10304) [2022-11-23 02:18:22,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40795 states to 40795 states and 55633 transitions. [2022-11-23 02:18:22,169 INFO L78 Accepts]: Start accepts. Automaton has 40795 states and 55633 transitions. Word has length 213 [2022-11-23 02:18:22,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:18:22,170 INFO L495 AbstractCegarLoop]: Abstraction has 40795 states and 55633 transitions. [2022-11-23 02:18:22,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 02:18:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 40795 states and 55633 transitions. [2022-11-23 02:18:22,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-23 02:18:22,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:18:22,175 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 11, 11, 11, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:18:22,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 02:18:22,176 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 02:18:22,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:22,176 INFO L85 PathProgramCache]: Analyzing trace with hash 861646827, now seen corresponding path program 1 times [2022-11-23 02:18:22,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:22,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744758420] [2022-11-23 02:18:22,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:22,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 02:18:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 02:18:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 02:18:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 02:18:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 02:18:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 02:18:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 02:18:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 02:18:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 02:18:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 02:18:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 02:18:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-23 02:18:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-23 02:18:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 02:18:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 02:18:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 02:18:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 02:18:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-23 02:18:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 02:18:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-23 02:18:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-23 02:18:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-23 02:18:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-23 02:18:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:22,911 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-11-23 02:18:22,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:18:22,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744758420] [2022-11-23 02:18:22,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744758420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:18:22,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:18:22,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:18:22,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315191921] [2022-11-23 02:18:22,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:18:22,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:18:22,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:18:22,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:18:22,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:18:22,915 INFO L87 Difference]: Start difference. First operand 40795 states and 55633 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 02:18:30,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:18:30,460 INFO L93 Difference]: Finished difference Result 43183 states and 59406 transitions. [2022-11-23 02:18:30,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:18:30,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 218 [2022-11-23 02:18:30,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:18:30,591 INFO L225 Difference]: With dead ends: 43183 [2022-11-23 02:18:30,591 INFO L226 Difference]: Without dead ends: 43181 [2022-11-23 02:18:30,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 02:18:30,614 INFO L413 NwaCegarLoop]: 1851 mSDtfsCounter, 2741 mSDsluCounter, 4111 mSDsCounter, 0 mSdLazyCounter, 3353 mSolverCounterSat, 1077 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 5962 SdHoareTripleChecker+Invalid, 4430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1077 IncrementalHoareTripleChecker+Valid, 3353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-23 02:18:30,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3027 Valid, 5962 Invalid, 4430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1077 Valid, 3353 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-23 02:18:30,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43181 states.