./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 b5237d83 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_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/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_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 13:59:56,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:59:56,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:59:56,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:59:56,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:59:56,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:59:56,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:59:56,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:59:56,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:59:56,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:59:56,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:59:56,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:59:56,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:59:56,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:59:56,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:59:56,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:59:56,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:59:56,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:59:56,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:59:56,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:59:56,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:59:56,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:59:56,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:59:56,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:59:56,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:59:56,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:59:56,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:59:56,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:59:56,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:59:56,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:59:56,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:59:56,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:59:56,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:59:56,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:59:56,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:59:56,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:59:56,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:59:56,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:59:56,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:59:56,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:59:56,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:59:56,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 13:59:56,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:59:56,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:59:56,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:59:56,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:59:56,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:59:56,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:59:56,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:59:56,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:59:56,564 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:59:56,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:59:56,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:59:56,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:59:56,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:59:56,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:59:56,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:59:56,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:59:56,566 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:59:56,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:59:56,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:59:56,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:59:56,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:59:56,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:59:56,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:59:56,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:59:56,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:59:56,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:59:56,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:59:56,569 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:59:56,569 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:59:56,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:59:56,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75b1aed7e7cb1bec6496160634d456a50c33979e7f90c34d568c6a02281e03b1 [2022-11-21 13:59:56,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:59:56,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:59:56,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:59:56,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:59:56,906 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:59:56,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-11-21 14:00:00,017 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 14:00:00,638 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 14:00:00,639 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-11-21 14:00:00,696 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/data/17c166cac/ce47434ed5f343c19291d329148a419a/FLAGcc703be5c [2022-11-21 14:00:00,716 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/data/17c166cac/ce47434ed5f343c19291d329148a419a [2022-11-21 14:00:00,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 14:00:00,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 14:00:00,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 14:00:00,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 14:00:00,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 14:00:00,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:00" (1/1) ... [2022-11-21 14:00:00,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8ff4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:00, skipping insertion in model container [2022-11-21 14:00:00,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:00" (1/1) ... [2022-11-21 14:00:00,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 14:00:00,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 14:00:03,972 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_594f94ef-ef07-414e-a4ba-54b5e1e8347a/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] [2022-11-21 14:00:03,978 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_594f94ef-ef07-414e-a4ba-54b5e1e8347a/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] [2022-11-21 14:00:03,978 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_594f94ef-ef07-414e-a4ba-54b5e1e8347a/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] [2022-11-21 14:00:03,979 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_594f94ef-ef07-414e-a4ba-54b5e1e8347a/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] [2022-11-21 14:00:04,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:00:04,048 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 14:00:04,473 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_594f94ef-ef07-414e-a4ba-54b5e1e8347a/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] [2022-11-21 14:00:04,474 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_594f94ef-ef07-414e-a4ba-54b5e1e8347a/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] [2022-11-21 14:00:04,475 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_594f94ef-ef07-414e-a4ba-54b5e1e8347a/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] [2022-11-21 14:00:04,475 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_594f94ef-ef07-414e-a4ba-54b5e1e8347a/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] [2022-11-21 14:00:04,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:00:04,635 INFO L208 MainTranslator]: Completed translation [2022-11-21 14:00:04,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04 WrapperNode [2022-11-21 14:00:04,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 14:00:04,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 14:00:04,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 14:00:04,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 14:00:04,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (1/1) ... [2022-11-21 14:00:04,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (1/1) ... [2022-11-21 14:00:05,027 INFO L138 Inliner]: procedures = 451, calls = 2361, calls flagged for inlining = 206, calls inlined = 184, statements flattened = 5317 [2022-11-21 14:00:05,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 14:00:05,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 14:00:05,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 14:00:05,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 14:00:05,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (1/1) ... [2022-11-21 14:00:05,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (1/1) ... [2022-11-21 14:00:05,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (1/1) ... [2022-11-21 14:00:05,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (1/1) ... [2022-11-21 14:00:05,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (1/1) ... [2022-11-21 14:00:05,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (1/1) ... [2022-11-21 14:00:05,229 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (1/1) ... [2022-11-21 14:00:05,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (1/1) ... [2022-11-21 14:00:05,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 14:00:05,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 14:00:05,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 14:00:05,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 14:00:05,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (1/1) ... [2022-11-21 14:00:05,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:00:05,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:00:05,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 14:00:05,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594f94ef-ef07-414e-a4ba-54b5e1e8347a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 14:00:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-21 14:00:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-21 14:00:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-21 14:00:05,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-21 14:00:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 14:00:05,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 14:00:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-21 14:00:05,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-21 14:00:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2022-11-21 14:00:05,368 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2022-11-21 14:00:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 14:00:05,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 14:00:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2022-11-21 14:00:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2022-11-21 14:00:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-21 14:00:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-21 14:00:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-21 14:00:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-21 14:00:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 14:00:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 14:00:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2022-11-21 14:00:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2022-11-21 14:00:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-21 14:00:05,371 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-21 14:00:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-11-21 14:00:05,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-11-21 14:00:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-21 14:00:05,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-21 14:00:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_close [2022-11-21 14:00:05,374 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_close [2022-11-21 14:00:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2022-11-21 14:00:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2022-11-21 14:00:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-21 14:00:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-21 14:00:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-21 14:00:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-21 14:00:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-21 14:00:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-21 14:00:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 14:00:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 14:00:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2022-11-21 14:00:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2022-11-21 14:00:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-21 14:00:05,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-21 14:00:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 14:00:05,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-21 14:00:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-21 14:00:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-21 14:00:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-21 14:00:05,378 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 14:00:05,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 14:00:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2022-11-21 14:00:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2022-11-21 14:00:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 14:00:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 14:00:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 14:00:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2022-11-21 14:00:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2022-11-21 14:00:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 14:00:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 14:00:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 14:00:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-21 14:00:05,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-21 14:00:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2022-11-21 14:00:05,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2022-11-21 14:00:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 14:00:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-21 14:00:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-21 14:00:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2022-11-21 14:00:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2022-11-21 14:00:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 14:00:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 14:00:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-21 14:00:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-21 14:00:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-21 14:00:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-21 14:00:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2022-11-21 14:00:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2022-11-21 14:00:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-21 14:00:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-21 14:00:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-21 14:00:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-21 14:00:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2022-11-21 14:00:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2022-11-21 14:00:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-21 14:00:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-21 14:00:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 14:00:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 14:00:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2022-11-21 14:00:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2022-11-21 14:00:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2022-11-21 14:00:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2022-11-21 14:00:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-21 14:00:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-21 14:00:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 14:00:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-21 14:00:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-21 14:00:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2022-11-21 14:00:05,392 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2022-11-21 14:00:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-21 14:00:05,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-21 14:00:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 14:00:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 14:00:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 14:00:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 14:00:05,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 14:00:05,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 14:00:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 14:00:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_open [2022-11-21 14:00:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_open [2022-11-21 14:00:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 14:00:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 14:00:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2022-11-21 14:00:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vlsi_mod_exit_11_2 [2022-11-21 14:00:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-21 14:00:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-21 14:00:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-21 14:00:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-21 14:00:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 14:00:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 14:00:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-21 14:00:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-21 14:00:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2022-11-21 14:00:05,409 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2022-11-21 14:00:05,409 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2022-11-21 14:00:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2022-11-21 14:00:05,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 14:00:05,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 14:00:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 14:00:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 14:00:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 14:00:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 14:00:05,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 14:00:05,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 14:00:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-21 14:00:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-21 14:00:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-21 14:00:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-21 14:00:05,412 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2022-11-21 14:00:05,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2022-11-21 14:00:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 14:00:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 14:00:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-21 14:00:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-21 14:00:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 14:00:05,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 14:00:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-21 14:00:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-21 14:00:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2022-11-21 14:00:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2022-11-21 14:00:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-21 14:00:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-21 14:00:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 14:00:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 14:00:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 14:00:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 14:00:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2022-11-21 14:00:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2022-11-21 14:00:05,415 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2022-11-21 14:00:05,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2022-11-21 14:00:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 14:00:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-21 14:00:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-21 14:00:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-11-21 14:00:05,416 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-11-21 14:00:05,416 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-21 14:00:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-21 14:00:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-21 14:00:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-21 14:00:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 14:00:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 14:00:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-21 14:00:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-21 14:00:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-21 14:00:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-21 14:00:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-21 14:00:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-21 14:00:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2022-11-21 14:00:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2022-11-21 14:00:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2022-11-21 14:00:05,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2022-11-21 14:00:05,420 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-21 14:00:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-21 14:00:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 14:00:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 14:00:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 14:00:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 14:00:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 14:00:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 14:00:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 14:00:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-21 14:00:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-21 14:00:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 14:00:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 14:00:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2022-11-21 14:00:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2022-11-21 14:00:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-21 14:00:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-21 14:00:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-21 14:00:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-21 14:00:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2022-11-21 14:00:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2022-11-21 14:00:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-21 14:00:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-21 14:00:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2022-11-21 14:00:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2022-11-21 14:00:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2022-11-21 14:00:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vlsi_irda_dev [2022-11-21 14:00:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2022-11-21 14:00:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2022-11-21 14:00:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-21 14:00:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-21 14:00:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2022-11-21 14:00:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2022-11-21 14:00:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-21 14:00:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-21 14:00:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 14:00:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-21 14:00:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-21 14:00:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-21 14:00:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-21 14:00:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2022-11-21 14:00:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2022-11-21 14:00:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-21 14:00:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-21 14:00:06,403 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 14:00:06,420 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 14:00:06,838 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 14:00:14,618 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-21 14:00:14,736 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 14:00:14,761 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 14:00:14,762 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 14:00:14,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:00:14 BoogieIcfgContainer [2022-11-21 14:00:14,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 14:00:14,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 14:00:14,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 14:00:14,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 14:00:14,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:00:00" (1/3) ... [2022-11-21 14:00:14,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53708e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:00:14, skipping insertion in model container [2022-11-21 14:00:14,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:04" (2/3) ... [2022-11-21 14:00:14,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53708e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:00:14, skipping insertion in model container [2022-11-21 14:00:14,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:00:14" (3/3) ... [2022-11-21 14:00:14,785 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-vlsi_ir.cil.i [2022-11-21 14:00:14,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 14:00:14,806 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-21 14:00:14,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 14:00:14,930 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;@41f835c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 14:00:14,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-21 14:00:14,945 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) [2022-11-21 14:00:14,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-21 14:00:14,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:00:14,971 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] [2022-11-21 14:00:14,972 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)] === [2022-11-21 14:00:14,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:14,977 INFO L85 PathProgramCache]: Analyzing trace with hash 749203797, now seen corresponding path program 1 times [2022-11-21 14:00:14,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:14,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579057224] [2022-11-21 14:00:14,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:14,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 14:00:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 14:00:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:00:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:00:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:00:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 14:00:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 14:00:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 14:00:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:00:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:00:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 14:00:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:00:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 14:00:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-11-21 14:00:16,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:16,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579057224] [2022-11-21 14:00:16,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579057224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:16,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:16,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 14:00:16,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043096795] [2022-11-21 14:00:16,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:16,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 14:00:16,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:16,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 14:00:16,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:00:16,054 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) [2022-11-21 14:00:23,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:00:23,196 INFO L93 Difference]: Finished difference Result 5692 states and 8184 transitions. [2022-11-21 14:00:23,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:00:23,198 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 [2022-11-21 14:00:23,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:00:23,260 INFO L225 Difference]: With dead ends: 5692 [2022-11-21 14:00:23,260 INFO L226 Difference]: Without dead ends: 3825 [2022-11-21 14:00:23,282 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 [2022-11-21 14:00:23,289 INFO L413 NwaCegarLoop]: 2202 mSDtfsCounter, 3472 mSDsluCounter, 2513 mSDsCounter, 0 mSdLazyCounter, 2784 mSolverCounterSat, 1427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3933 SdHoareTripleChecker+Valid, 4715 SdHoareTripleChecker+Invalid, 4211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 2784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-21 14:00:23,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3933 Valid, 4715 Invalid, 4211 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1427 Valid, 2784 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-21 14:00:23,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2022-11-21 14:00:23,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3597. [2022-11-21 14:00:23,771 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) [2022-11-21 14:00:23,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3597 states and 5009 transitions. [2022-11-21 14:00:23,814 INFO L78 Accepts]: Start accepts. Automaton has 3597 states and 5009 transitions. Word has length 149 [2022-11-21 14:00:23,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:00:23,818 INFO L495 AbstractCegarLoop]: Abstraction has 3597 states and 5009 transitions. [2022-11-21 14:00:23,818 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) [2022-11-21 14:00:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3597 states and 5009 transitions. [2022-11-21 14:00:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-21 14:00:23,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:00:23,831 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] [2022-11-21 14:00:23,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 14:00:23,832 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)] === [2022-11-21 14:00:23,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:23,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1968351664, now seen corresponding path program 1 times [2022-11-21 14:00:23,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:23,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344456222] [2022-11-21 14:00:23,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:23,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 14:00:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 14:00:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:00:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:00:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:00:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 14:00:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 14:00:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 14:00:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:00:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:00:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 14:00:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:00:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 14:00:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-11-21 14:00:24,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:24,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344456222] [2022-11-21 14:00:24,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344456222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:24,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:24,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 14:00:24,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585251527] [2022-11-21 14:00:24,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:24,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 14:00:24,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:24,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 14:00:24,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:00:24,556 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) [2022-11-21 14:00:31,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:00:31,597 INFO L93 Difference]: Finished difference Result 10859 states and 15188 transitions. [2022-11-21 14:00:31,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:00:31,598 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 [2022-11-21 14:00:31,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:00:31,647 INFO L225 Difference]: With dead ends: 10859 [2022-11-21 14:00:31,648 INFO L226 Difference]: Without dead ends: 7289 [2022-11-21 14:00:31,662 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 [2022-11-21 14:00:31,663 INFO L413 NwaCegarLoop]: 2281 mSDtfsCounter, 3169 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 1392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3598 SdHoareTripleChecker+Valid, 4858 SdHoareTripleChecker+Invalid, 4300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1392 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-21 14:00:31,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 4858 Invalid, 4300 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1392 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-21 14:00:31,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7289 states. [2022-11-21 14:00:32,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7289 to 6823. [2022-11-21 14:00:32,073 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) [2022-11-21 14:00:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6823 states to 6823 states and 9467 transitions. [2022-11-21 14:00:32,110 INFO L78 Accepts]: Start accepts. Automaton has 6823 states and 9467 transitions. Word has length 150 [2022-11-21 14:00:32,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:00:32,113 INFO L495 AbstractCegarLoop]: Abstraction has 6823 states and 9467 transitions. [2022-11-21 14:00:32,113 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) [2022-11-21 14:00:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 6823 states and 9467 transitions. [2022-11-21 14:00:32,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-21 14:00:32,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:00:32,118 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] [2022-11-21 14:00:32,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 14:00:32,119 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)] === [2022-11-21 14:00:32,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:32,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1127635450, now seen corresponding path program 1 times [2022-11-21 14:00:32,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:32,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817467127] [2022-11-21 14:00:32,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:32,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 14:00:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:32,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 14:00:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:32,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:32,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:00:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:32,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:00:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:00:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 14:00:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 14:00:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 14:00:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:00:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:00:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 14:00:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:00:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 14:00:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 14:00:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:33,118 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-11-21 14:00:33,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:33,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817467127] [2022-11-21 14:00:33,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817467127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:33,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:33,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:00:33,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884786549] [2022-11-21 14:00:33,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:33,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:00:33,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:33,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:00:33,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:00:33,121 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) [2022-11-21 14:00:45,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:00:45,005 INFO L93 Difference]: Finished difference Result 27147 states and 37717 transitions. [2022-11-21 14:00:45,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 14:00:45,006 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 [2022-11-21 14:00:45,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:00:45,140 INFO L225 Difference]: With dead ends: 27147 [2022-11-21 14:00:45,140 INFO L226 Difference]: Without dead ends: 20351 [2022-11-21 14:00:45,175 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 [2022-11-21 14:00:45,176 INFO L413 NwaCegarLoop]: 2420 mSDtfsCounter, 7725 mSDsluCounter, 5044 mSDsCounter, 0 mSdLazyCounter, 7192 mSolverCounterSat, 3348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8590 SdHoareTripleChecker+Valid, 7464 SdHoareTripleChecker+Invalid, 10540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3348 IncrementalHoareTripleChecker+Valid, 7192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:00:45,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8590 Valid, 7464 Invalid, 10540 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3348 Valid, 7192 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-11-21 14:00:45,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20351 states. [2022-11-21 14:00:46,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20351 to 18955. [2022-11-21 14:00:46,445 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) [2022-11-21 14:00:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18955 states to 18955 states and 26067 transitions. [2022-11-21 14:00:46,554 INFO L78 Accepts]: Start accepts. Automaton has 18955 states and 26067 transitions. Word has length 158 [2022-11-21 14:00:46,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:00:46,555 INFO L495 AbstractCegarLoop]: Abstraction has 18955 states and 26067 transitions. [2022-11-21 14:00:46,556 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) [2022-11-21 14:00:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 18955 states and 26067 transitions. [2022-11-21 14:00:46,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-21 14:00:46,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:00:46,564 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] [2022-11-21 14:00:46,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 14:00:46,565 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)] === [2022-11-21 14:00:46,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:46,565 INFO L85 PathProgramCache]: Analyzing trace with hash -527078724, now seen corresponding path program 1 times [2022-11-21 14:00:46,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:46,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218930941] [2022-11-21 14:00:46,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:46,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 14:00:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 14:00:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:00:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:00:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:00:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 14:00:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 14:00:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 14:00:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:00:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:00:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 14:00:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:00:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-21 14:00:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 14:00:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:00:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 14:00:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-21 14:00:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:47,293 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2022-11-21 14:00:47,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:47,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218930941] [2022-11-21 14:00:47,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218930941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:47,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:47,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 14:00:47,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867012283] [2022-11-21 14:00:47,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:47,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 14:00:47,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:47,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 14:00:47,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:00:47,297 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) [2022-11-21 14:00:52,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:00:52,856 INFO L93 Difference]: Finished difference Result 34353 states and 47361 transitions. [2022-11-21 14:00:52,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:00:52,857 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 [2022-11-21 14:00:52,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:00:52,936 INFO L225 Difference]: With dead ends: 34353 [2022-11-21 14:00:52,936 INFO L226 Difference]: Without dead ends: 15425 [2022-11-21 14:00:53,016 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 [2022-11-21 14:00:53,017 INFO L413 NwaCegarLoop]: 2465 mSDtfsCounter, 2355 mSDsluCounter, 2713 mSDsCounter, 0 mSdLazyCounter, 2780 mSolverCounterSat, 1027 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2704 SdHoareTripleChecker+Valid, 5178 SdHoareTripleChecker+Invalid, 3807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1027 IncrementalHoareTripleChecker+Valid, 2780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:00:53,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2704 Valid, 5178 Invalid, 3807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1027 Valid, 2780 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-21 14:00:53,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15425 states. [2022-11-21 14:00:53,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15425 to 14579. [2022-11-21 14:00:53,771 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) [2022-11-21 14:00:53,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14579 states to 14579 states and 19895 transitions. [2022-11-21 14:00:53,835 INFO L78 Accepts]: Start accepts. Automaton has 14579 states and 19895 transitions. Word has length 195 [2022-11-21 14:00:53,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:00:53,836 INFO L495 AbstractCegarLoop]: Abstraction has 14579 states and 19895 transitions. [2022-11-21 14:00:53,836 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) [2022-11-21 14:00:53,837 INFO L276 IsEmpty]: Start isEmpty. Operand 14579 states and 19895 transitions. [2022-11-21 14:00:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-21 14:00:53,841 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:00:53,841 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] [2022-11-21 14:00:53,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 14:00:53,842 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)] === [2022-11-21 14:00:53,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:53,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1696346839, now seen corresponding path program 1 times [2022-11-21 14:00:53,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:53,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157567130] [2022-11-21 14:00:53,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:53,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 14:00:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 14:00:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:00:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:00:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:00:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 14:00:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 14:00:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 14:00:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:00:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:00:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 14:00:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:00:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 14:00:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 14:00:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 14:00:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 14:00:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 14:00:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-21 14:00:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2022-11-21 14:00:54,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:54,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157567130] [2022-11-21 14:00:54,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157567130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:54,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:54,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 14:00:54,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138755258] [2022-11-21 14:00:54,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:54,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 14:00:54,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:54,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 14:00:54,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:00:54,311 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) [2022-11-21 14:01:00,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:01:00,821 INFO L93 Difference]: Finished difference Result 43665 states and 59982 transitions. [2022-11-21 14:01:00,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:01:00,822 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 [2022-11-21 14:01:00,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:01:00,999 INFO L225 Difference]: With dead ends: 43665 [2022-11-21 14:01:00,999 INFO L226 Difference]: Without dead ends: 29273 [2022-11-21 14:01:01,062 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 [2022-11-21 14:01:01,063 INFO L413 NwaCegarLoop]: 2374 mSDtfsCounter, 3383 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 2804 mSolverCounterSat, 1391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3835 SdHoareTripleChecker+Valid, 5089 SdHoareTripleChecker+Invalid, 4195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1391 IncrementalHoareTripleChecker+Valid, 2804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-21 14:01:01,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3835 Valid, 5089 Invalid, 4195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1391 Valid, 2804 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-21 14:01:01,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29273 states. [2022-11-21 14:01:02,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29273 to 27673. [2022-11-21 14:01:02,606 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) [2022-11-21 14:01:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27673 states to 27673 states and 37752 transitions. [2022-11-21 14:01:02,724 INFO L78 Accepts]: Start accepts. Automaton has 27673 states and 37752 transitions. Word has length 198 [2022-11-21 14:01:02,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:01:02,725 INFO L495 AbstractCegarLoop]: Abstraction has 27673 states and 37752 transitions. [2022-11-21 14:01:02,725 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) [2022-11-21 14:01:02,725 INFO L276 IsEmpty]: Start isEmpty. Operand 27673 states and 37752 transitions. [2022-11-21 14:01:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-21 14:01:02,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:01:02,729 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] [2022-11-21 14:01:02,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 14:01:02,730 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)] === [2022-11-21 14:01:02,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:01:02,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1555798229, now seen corresponding path program 1 times [2022-11-21 14:01:02,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:01:02,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532804747] [2022-11-21 14:01:02,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:01:02,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:01:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 14:01:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 14:01:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:01:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:01:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:01:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 14:01:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 14:01:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 14:01:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:01:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:01:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 14:01:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:01:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 14:01:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 14:01:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 14:01:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 14:01:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 14:01:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-21 14:01:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-11-21 14:01:03,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:01:03,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532804747] [2022-11-21 14:01:03,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532804747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:01:03,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:01:03,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:01:03,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991889414] [2022-11-21 14:01:03,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:01:03,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:01:03,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:01:03,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:01:03,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:01:03,897 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) [2022-11-21 14:01:08,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:01:08,932 INFO L93 Difference]: Finished difference Result 29275 states and 40281 transitions. [2022-11-21 14:01:08,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 14:01:08,932 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 [2022-11-21 14:01:08,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:01:09,071 INFO L225 Difference]: With dead ends: 29275 [2022-11-21 14:01:09,071 INFO L226 Difference]: Without dead ends: 29273 [2022-11-21 14:01:09,083 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 [2022-11-21 14:01:09,084 INFO L413 NwaCegarLoop]: 1850 mSDtfsCounter, 2748 mSDsluCounter, 4108 mSDsCounter, 0 mSdLazyCounter, 3347 mSolverCounterSat, 1084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 5958 SdHoareTripleChecker+Invalid, 4431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1084 IncrementalHoareTripleChecker+Valid, 3347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:01:09,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 5958 Invalid, 4431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1084 Valid, 3347 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-21 14:01:09,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29273 states. [2022-11-21 14:01:10,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29273 to 27677. [2022-11-21 14:01:10,436 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) [2022-11-21 14:01:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27677 states to 27677 states and 37755 transitions. [2022-11-21 14:01:10,548 INFO L78 Accepts]: Start accepts. Automaton has 27677 states and 37755 transitions. Word has length 198 [2022-11-21 14:01:10,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:01:10,553 INFO L495 AbstractCegarLoop]: Abstraction has 27677 states and 37755 transitions. [2022-11-21 14:01:10,554 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) [2022-11-21 14:01:10,554 INFO L276 IsEmpty]: Start isEmpty. Operand 27677 states and 37755 transitions. [2022-11-21 14:01:10,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-21 14:01:10,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:01:10,558 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] [2022-11-21 14:01:10,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 14:01:10,559 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)] === [2022-11-21 14:01:10,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:01:10,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1571362068, now seen corresponding path program 1 times [2022-11-21 14:01:10,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:01:10,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478756534] [2022-11-21 14:01:10,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:01:10,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:01:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 14:01:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 14:01:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:01:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:01:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:01:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 14:01:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 14:01:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 14:01:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:01:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:01:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 14:01:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:01:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 14:01:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 14:01:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 14:01:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 14:01:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 14:01:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-21 14:01:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 14:01:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-11-21 14:01:11,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:01:11,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478756534] [2022-11-21 14:01:11,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478756534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:01:11,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:01:11,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:01:11,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171906434] [2022-11-21 14:01:11,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:01:11,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:01:11,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:01:11,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:01:11,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:01:11,521 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) [2022-11-21 14:01:17,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:01:17,157 INFO L93 Difference]: Finished difference Result 29279 states and 40284 transitions. [2022-11-21 14:01:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 14:01:17,159 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 [2022-11-21 14:01:17,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:01:17,288 INFO L225 Difference]: With dead ends: 29279 [2022-11-21 14:01:17,289 INFO L226 Difference]: Without dead ends: 29277 [2022-11-21 14:01:17,304 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 [2022-11-21 14:01:17,305 INFO L413 NwaCegarLoop]: 1854 mSDtfsCounter, 2737 mSDsluCounter, 4116 mSDsCounter, 0 mSdLazyCounter, 3353 mSolverCounterSat, 1080 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3024 SdHoareTripleChecker+Valid, 5970 SdHoareTripleChecker+Invalid, 4433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1080 IncrementalHoareTripleChecker+Valid, 3353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-21 14:01:17,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3024 Valid, 5970 Invalid, 4433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1080 Valid, 3353 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-21 14:01:17,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29277 states. [2022-11-21 14:01:18,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29277 to 27681. [2022-11-21 14:01:18,569 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) [2022-11-21 14:01:18,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27681 states to 27681 states and 37758 transitions. [2022-11-21 14:01:18,702 INFO L78 Accepts]: Start accepts. Automaton has 27681 states and 37758 transitions. Word has length 203 [2022-11-21 14:01:18,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:01:18,703 INFO L495 AbstractCegarLoop]: Abstraction has 27681 states and 37758 transitions. [2022-11-21 14:01:18,704 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) [2022-11-21 14:01:18,704 INFO L276 IsEmpty]: Start isEmpty. Operand 27681 states and 37758 transitions. [2022-11-21 14:01:18,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-21 14:01:18,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:01:18,709 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] [2022-11-21 14:01:18,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 14:01:18,710 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)] === [2022-11-21 14:01:18,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:01:18,711 INFO L85 PathProgramCache]: Analyzing trace with hash 315797387, now seen corresponding path program 1 times [2022-11-21 14:01:18,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:01:18,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59034604] [2022-11-21 14:01:18,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:01:18,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:01:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 14:01:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 14:01:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:01:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:01:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:01:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 14:01:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 14:01:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 14:01:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:01:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:01:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 14:01:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:01:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 14:01:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 14:01:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 14:01:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 14:01:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 14:01:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-21 14:01:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 14:01:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 14:01:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2022-11-21 14:01:19,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:01:19,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59034604] [2022-11-21 14:01:19,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59034604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:01:19,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:01:19,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:01:19,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253852805] [2022-11-21 14:01:19,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:01:19,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:01:19,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:01:19,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:01:19,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:01:19,803 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) [2022-11-21 14:01:25,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:01:25,600 INFO L93 Difference]: Finished difference Result 29283 states and 40287 transitions. [2022-11-21 14:01:25,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 14:01:25,600 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 [2022-11-21 14:01:25,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:01:25,738 INFO L225 Difference]: With dead ends: 29283 [2022-11-21 14:01:25,738 INFO L226 Difference]: Without dead ends: 29281 [2022-11-21 14:01:25,756 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 [2022-11-21 14:01:25,758 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 2748 mSDsluCounter, 4090 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 1084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-11-21 14:01:25,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 5931 Invalid, 4434 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1084 Valid, 3350 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-21 14:01:25,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29281 states. [2022-11-21 14:01:27,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29281 to 27685. [2022-11-21 14:01:27,182 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) [2022-11-21 14:01:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27685 states to 27685 states and 37761 transitions. [2022-11-21 14:01:27,314 INFO L78 Accepts]: Start accepts. Automaton has 27685 states and 37761 transitions. Word has length 208 [2022-11-21 14:01:27,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:01:27,315 INFO L495 AbstractCegarLoop]: Abstraction has 27685 states and 37761 transitions. [2022-11-21 14:01:27,315 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) [2022-11-21 14:01:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 27685 states and 37761 transitions. [2022-11-21 14:01:27,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-21 14:01:27,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:01:27,321 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] [2022-11-21 14:01:27,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 14:01:27,321 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)] === [2022-11-21 14:01:27,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:01:27,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1054180056, now seen corresponding path program 1 times [2022-11-21 14:01:27,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:01:27,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977836142] [2022-11-21 14:01:27,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:01:27,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:01:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 14:01:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 14:01:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:27,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:01:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:01:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:01:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 14:01:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 14:01:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 14:01:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:01:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:01:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 14:01:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:01:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 14:01:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 14:01:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 14:01:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 14:01:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 14:01:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-21 14:01:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-21 14:01:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:01:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-21 14:01:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 14:01:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-21 14:01:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:28,200 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2022-11-21 14:01:28,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:01:28,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977836142] [2022-11-21 14:01:28,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977836142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:01:28,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:01:28,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 14:01:28,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255224381] [2022-11-21 14:01:28,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:01:28,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 14:01:28,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:01:28,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 14:01:28,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:01:28,207 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) [2022-11-21 14:01:42,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:01:42,842 INFO L93 Difference]: Finished difference Result 70706 states and 97021 transitions. [2022-11-21 14:01:42,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 14:01:42,842 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 [2022-11-21 14:01:42,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:01:43,049 INFO L225 Difference]: With dead ends: 70706 [2022-11-21 14:01:43,050 INFO L226 Difference]: Without dead ends: 43208 [2022-11-21 14:01:43,147 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 [2022-11-21 14:01:43,148 INFO L413 NwaCegarLoop]: 2025 mSDtfsCounter, 3579 mSDsluCounter, 3176 mSDsCounter, 0 mSdLazyCounter, 6822 mSolverCounterSat, 2506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3902 SdHoareTripleChecker+Valid, 5201 SdHoareTripleChecker+Invalid, 9328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2506 IncrementalHoareTripleChecker+Valid, 6822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-21 14:01:43,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3902 Valid, 5201 Invalid, 9328 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2506 Valid, 6822 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-11-21 14:01:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43208 states. [2022-11-21 14:01:46,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43208 to 40791. [2022-11-21 14:01:46,261 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) [2022-11-21 14:01:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40791 states to 40791 states and 55630 transitions. [2022-11-21 14:01:46,398 INFO L78 Accepts]: Start accepts. Automaton has 40791 states and 55630 transitions. Word has length 226 [2022-11-21 14:01:46,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:01:46,399 INFO L495 AbstractCegarLoop]: Abstraction has 40791 states and 55630 transitions. [2022-11-21 14:01:46,399 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) [2022-11-21 14:01:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 40791 states and 55630 transitions. [2022-11-21 14:01:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-21 14:01:46,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:01:46,404 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] [2022-11-21 14:01:46,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 14:01:46,405 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)] === [2022-11-21 14:01:46,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:01:46,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1015090700, now seen corresponding path program 1 times [2022-11-21 14:01:46,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:01:46,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650009215] [2022-11-21 14:01:46,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:01:46,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:01:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 14:01:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 14:01:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:01:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:01:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:01:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 14:01:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 14:01:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 14:01:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:01:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:01:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 14:01:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:01:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 14:01:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 14:01:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 14:01:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 14:01:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 14:01:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-21 14:01:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 14:01:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 14:01:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-21 14:01:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:47,482 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-11-21 14:01:47,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:01:47,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650009215] [2022-11-21 14:01:47,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650009215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:01:47,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:01:47,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:01:47,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086983954] [2022-11-21 14:01:47,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:01:47,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:01:47,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:01:47,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:01:47,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:01:47,486 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) [2022-11-21 14:01:54,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:01:54,277 INFO L93 Difference]: Finished difference Result 43179 states and 59403 transitions. [2022-11-21 14:01:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 14:01:54,277 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 [2022-11-21 14:01:54,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:01:54,396 INFO L225 Difference]: With dead ends: 43179 [2022-11-21 14:01:54,396 INFO L226 Difference]: Without dead ends: 43177 [2022-11-21 14:01:54,411 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 [2022-11-21 14:01:54,411 INFO L413 NwaCegarLoop]: 1852 mSDtfsCounter, 2741 mSDsluCounter, 4113 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 1077 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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 [2022-11-21 14:01:54,412 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] [2022-11-21 14:01:54,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43177 states. [2022-11-21 14:01:57,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43177 to 40795. [2022-11-21 14:01:57,450 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) [2022-11-21 14:01:57,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40795 states to 40795 states and 55633 transitions. [2022-11-21 14:01:57,677 INFO L78 Accepts]: Start accepts. Automaton has 40795 states and 55633 transitions. Word has length 213 [2022-11-21 14:01:57,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:01:57,679 INFO L495 AbstractCegarLoop]: Abstraction has 40795 states and 55633 transitions. [2022-11-21 14:01:57,679 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) [2022-11-21 14:01:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 40795 states and 55633 transitions. [2022-11-21 14:01:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-21 14:01:57,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:01:57,687 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] [2022-11-21 14:01:57,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 14:01:57,687 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)] === [2022-11-21 14:01:57,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:01:57,688 INFO L85 PathProgramCache]: Analyzing trace with hash 861646827, now seen corresponding path program 1 times [2022-11-21 14:01:57,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:01:57,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587874301] [2022-11-21 14:01:57,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:01:57,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:01:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 14:01:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 14:01:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:01:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-21 14:01:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 14:01:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 14:01:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 14:01:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 14:01:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 14:01:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:01:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 14:01:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:01:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 14:01:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 14:01:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 14:01:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 14:01:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 14:01:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-21 14:01:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 14:01:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 14:01:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-21 14:01:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 14:01:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2022-11-21 14:01:58,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:01:58,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587874301] [2022-11-21 14:01:58,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587874301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:01:58,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:01:58,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:01:58,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317577559] [2022-11-21 14:01:58,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:01:58,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:01:58,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:01:58,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:01:58,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:01:58,796 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) [2022-11-21 14:02:05,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:02:05,890 INFO L93 Difference]: Finished difference Result 43183 states and 59406 transitions. [2022-11-21 14:02:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 14:02:05,893 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 [2022-11-21 14:02:05,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:02:06,029 INFO L225 Difference]: With dead ends: 43183 [2022-11-21 14:02:06,029 INFO L226 Difference]: Without dead ends: 43181 [2022-11-21 14:02:06,045 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 [2022-11-21 14:02:06,046 INFO L413 NwaCegarLoop]: 1855 mSDtfsCounter, 2737 mSDsluCounter, 4118 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 1076 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3024 SdHoareTripleChecker+Valid, 5973 SdHoareTripleChecker+Invalid, 4426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1076 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-21 14:02:06,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3024 Valid, 5973 Invalid, 4426 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1076 Valid, 3350 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-21 14:02:06,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43181 states.