./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e9e205fa5276d2169d19b1ef4c34c90feff6cd91ed8381019b7601186a5ac469 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:45:16,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:45:16,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:45:16,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:45:16,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:45:16,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:45:16,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:45:16,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:45:16,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:45:16,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:45:16,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:45:16,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:45:16,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:45:16,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:45:16,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:45:16,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:45:16,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:45:16,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:45:16,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:45:16,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:45:16,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:45:16,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:45:16,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:45:16,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:45:16,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:45:16,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:45:16,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:45:16,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:45:16,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:45:16,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:45:16,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:45:16,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:45:16,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:45:16,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:45:16,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:45:16,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:45:16,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:45:16,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:45:16,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:45:16,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:45:16,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:45:16,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:45:16,840 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:45:16,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:45:16,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:45:16,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:45:16,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:45:16,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:45:16,843 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:45:16,844 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:45:16,844 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:45:16,844 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:45:16,846 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:45:16,846 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:45:16,846 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:45:16,847 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:45:16,847 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:45:16,847 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:45:16,848 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:45:16,848 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:45:16,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:45:16,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:45:16,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:45:16,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:45:16,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:45:16,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:45:16,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:45:16,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:45:16,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:45:16,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:45:16,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:45:16,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:45:16,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:45:16,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:45:16,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:45:16,855 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:45:16,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:45:16,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:45:16,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:45:16,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:45:16,856 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9e205fa5276d2169d19b1ef4c34c90feff6cd91ed8381019b7601186a5ac469 [2021-11-20 23:45:17,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:45:17,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:45:17,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:45:17,221 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:45:17,222 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:45:17,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2021-11-20 23:45:17,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/data/d804a4583/35e99970c1434c07baf7a3ba75f27d51/FLAG49aa13b3d [2021-11-20 23:45:18,490 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:45:18,491 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2021-11-20 23:45:18,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/data/d804a4583/35e99970c1434c07baf7a3ba75f27d51/FLAG49aa13b3d [2021-11-20 23:45:18,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/data/d804a4583/35e99970c1434c07baf7a3ba75f27d51 [2021-11-20 23:45:18,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:45:18,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:45:18,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:45:18,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:45:18,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:45:18,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:45:18" (1/1) ... [2021-11-20 23:45:18,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f63693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:18, skipping insertion in model container [2021-11-20 23:45:18,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:45:18" (1/1) ... [2021-11-20 23:45:18,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:45:19,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:45:25,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583042,583055] [2021-11-20 23:45:25,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583208,583221] [2021-11-20 23:45:25,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583372,583385] [2021-11-20 23:45:25,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583537,583550] [2021-11-20 23:45:25,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:45:25,425 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:45:26,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583042,583055] [2021-11-20 23:45:26,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583208,583221] [2021-11-20 23:45:26,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583372,583385] [2021-11-20 23:45:26,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583537,583550] [2021-11-20 23:45:26,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:45:26,810 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:45:26,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26 WrapperNode [2021-11-20 23:45:26,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:45:26,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:45:26,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:45:26,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:45:26,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26" (1/1) ... [2021-11-20 23:45:27,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26" (1/1) ... [2021-11-20 23:45:27,413 INFO L137 Inliner]: procedures = 693, calls = 4703, calls flagged for inlining = 355, calls inlined = 340, statements flattened = 9896 [2021-11-20 23:45:27,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:45:27,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:45:27,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:45:27,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:45:27,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26" (1/1) ... [2021-11-20 23:45:27,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26" (1/1) ... [2021-11-20 23:45:27,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26" (1/1) ... [2021-11-20 23:45:27,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26" (1/1) ... [2021-11-20 23:45:27,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26" (1/1) ... [2021-11-20 23:45:27,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26" (1/1) ... [2021-11-20 23:45:28,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26" (1/1) ... [2021-11-20 23:45:28,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:45:28,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:45:28,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:45:28,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:45:28,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26" (1/1) ... [2021-11-20 23:45:28,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:45:28,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:45:28,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:45:28,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397815a0-a178-4db1-a3cd-81c07085b371/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:45:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_destroy_entities [2021-11-20 23:45:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_destroy_entities [2021-11-20 23:45:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure lif_s_stream [2021-11-20 23:45:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_s_stream [2021-11-20 23:45:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_mbus_code [2021-11-20 23:45:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_mbus_code [2021-11-20 23:45:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 23:45:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 23:45:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_prepare_buf [2021-11-20 23:45:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_prepare_buf [2021-11-20 23:45:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_dqbuf [2021-11-20 23:45:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_dqbuf [2021-11-20 23:45:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_get_format [2021-11-20 23:45:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_get_format [2021-11-20 23:45:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_frame_size [2021-11-20 23:45:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_frame_size [2021-11-20 23:45:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_device [2021-11-20 23:45:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_device [2021-11-20 23:45:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:45:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:45:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure to_uds [2021-11-20 23:45:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure to_uds [2021-11-20 23:45:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video [2021-11-20 23:45:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video [2021-11-20 23:45:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_prepare [2021-11-20 23:45:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_prepare [2021-11-20 23:45:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_remote_pad [2021-11-20 23:45:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_remote_pad [2021-11-20 23:45:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:45:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:45:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init_formats [2021-11-20 23:45:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init_formats [2021-11-20 23:45:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init [2021-11-20 23:45:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init [2021-11-20 23:45:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure uds_try_format [2021-11-20 23:45:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_try_format [2021-11-20 23:45:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_frame_size [2021-11-20 23:45:28,281 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_frame_size [2021-11-20 23:45:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 23:45:28,281 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 23:45:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure to_lut [2021-11-20 23:45:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lut [2021-11-20 23:45:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_mbus_code [2021-11-20 23:45:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_mbus_code [2021-11-20 23:45:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure lut_get_format [2021-11-20 23:45:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_get_format [2021-11-20 23:45:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure sru_get_format [2021-11-20 23:45:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_get_format [2021-11-20 23:45:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_device [2021-11-20 23:45:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_device [2021-11-20 23:45:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_read [2021-11-20 23:45:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_read [2021-11-20 23:45:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_irq_handler [2021-11-20 23:45:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_irq_handler [2021-11-20 23:45:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_frame_size [2021-11-20 23:45:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_frame_size [2021-11-20 23:45:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_frame_end [2021-11-20 23:45:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_frame_end [2021-11-20 23:45:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 23:45:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 23:45:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 23:45:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 23:45:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_dma_contig_cleanup_ctx [2021-11-20 23:45:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_dma_contig_cleanup_ctx [2021-11-20 23:45:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_s_stream [2021-11-20 23:45:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_s_stream [2021-11-20 23:45:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:45:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:45:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_selection [2021-11-20 23:45:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_selection [2021-11-20 23:45:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-20 23:45:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-20 23:45:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 23:45:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 23:45:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure uds_s_stream [2021-11-20 23:45:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_s_stream [2021-11-20 23:45:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-20 23:45:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-20 23:45:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_uds_write [2021-11-20 23:45:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_uds_write [2021-11-20 23:45:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:45:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_cleanup [2021-11-20 23:45:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_cleanup [2021-11-20 23:45:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_31 [2021-11-20 23:45:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_31 [2021-11-20 23:45:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 23:45:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 23:45:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-11-20 23:45:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-11-20 23:45:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_stream [2021-11-20 23:45:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_stream [2021-11-20 23:45:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 23:45:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 23:45:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_format [2021-11-20 23:45:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_format [2021-11-20 23:45:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-20 23:45:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-20 23:45:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_reqbufs [2021-11-20 23:45:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_reqbufs [2021-11-20 23:45:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 23:45:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 23:45:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure to_rwpf [2021-11-20 23:45:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure to_rwpf [2021-11-20 23:45:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_get_format_info [2021-11-20 23:45:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_get_format_info [2021-11-20 23:45:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:45:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_mbus_code [2021-11-20 23:45:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_mbus_code [2021-11-20 23:45:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 23:45:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 23:45:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 23:45:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 23:45:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 23:45:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 23:45:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_ready [2021-11-20 23:45:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_ready [2021-11-20 23:45:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_ctrl [2021-11-20 23:45:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_ctrl [2021-11-20 23:45:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_selection [2021-11-20 23:45:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_selection [2021-11-20 23:45:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_write [2021-11-20 23:45:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_write [2021-11-20 23:45:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_set_format [2021-11-20 23:45:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_set_format [2021-11-20 23:45:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:45:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 23:45:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 23:45:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 23:45:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 23:45:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-20 23:45:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-20 23:45:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-20 23:45:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-20 23:45:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-20 23:45:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-20 23:45:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_7 [2021-11-20 23:45:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_7 [2021-11-20 23:45:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_frame_size [2021-11-20 23:45:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_frame_size [2021-11-20 23:45:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2021-11-20 23:45:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2021-11-20 23:45:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:45:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure sru_set_format [2021-11-20 23:45:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_set_format [2021-11-20 23:45:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 23:45:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 23:45:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:45:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsit [2021-11-20 23:45:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsit [2021-11-20 23:45:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_write [2021-11-20 23:45:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_write [2021-11-20 23:45:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:45:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:45:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_start_streaming [2021-11-20 23:45:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_start_streaming [2021-11-20 23:45:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:45:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:45:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata___1 [2021-11-20 23:45:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata___1 [2021-11-20 23:45:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_get_format [2021-11-20 23:45:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_get_format [2021-11-20 23:45:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_open [2021-11-20 23:45:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_open [2021-11-20 23:45:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video_buffer [2021-11-20 23:45:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video_buffer [2021-11-20 23:45:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_pipeline [2021-11-20 23:45:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_pipeline [2021-11-20 23:45:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_vdev_queue [2021-11-20 23:45:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_vdev_queue [2021-11-20 23:45:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_type [2021-11-20 23:45:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_type [2021-11-20 23:45:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-20 23:45:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-20 23:45:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_vsp1_device [2021-11-20 23:45:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_vsp1_device [2021-11-20 23:45:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 23:45:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 23:45:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-20 23:45:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-20 23:45:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure sru_try_format [2021-11-20 23:45:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_try_format [2021-11-20 23:45:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:45:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:45:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_suspend [2021-11-20 23:45:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_suspend [2021-11-20 23:45:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 23:45:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 23:45:28,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_pipeline [2021-11-20 23:45:28,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_pipeline [2021-11-20 23:45:28,323 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_enable [2021-11-20 23:45:28,323 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_enable [2021-11-20 23:45:28,323 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_try_format [2021-11-20 23:45:28,323 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_try_format [2021-11-20 23:45:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure to_sru [2021-11-20 23:45:28,324 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sru [2021-11-20 23:45:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_size [2021-11-20 23:45:28,324 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_size [2021-11-20 23:45:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2021-11-20 23:45:28,324 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2021-11-20 23:45:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure lut_s_stream [2021-11-20 23:45:28,325 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_s_stream [2021-11-20 23:45:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_cleanup [2021-11-20 23:45:28,325 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_cleanup [2021-11-20 23:45:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:45:28,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:45:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_create_bufs [2021-11-20 23:45:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_create_bufs [2021-11-20 23:45:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure uds_passband_width [2021-11-20 23:45:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_passband_width [2021-11-20 23:45:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_disable [2021-11-20 23:45:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_disable [2021-11-20 23:45:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_lif_write [2021-11-20 23:45:28,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_lif_write [2021-11-20 23:45:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 23:45:28,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 23:45:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_get_pad_format [2021-11-20 23:45:28,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_get_pad_format [2021-11-20 23:45:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_init [2021-11-20 23:45:28,328 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_init [2021-11-20 23:45:28,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:45:28,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:45:28,328 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_sru_write [2021-11-20 23:45:28,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_sru_write [2021-11-20 23:45:28,328 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_set_format [2021-11-20 23:45:28,329 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_set_format [2021-11-20 23:45:28,329 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rpf_write [2021-11-20 23:45:28,329 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rpf_write [2021-11-20 23:45:28,329 INFO L130 BoogieDeclarations]: Found specification of procedure __vsp1_video_try_format [2021-11-20 23:45:28,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __vsp1_video_try_format [2021-11-20 23:45:28,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-20 23:45:28,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-20 23:45:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_create_link [2021-11-20 23:45:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_create_link [2021-11-20 23:45:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-20 23:45:28,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-20 23:45:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_release [2021-11-20 23:45:28,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_release [2021-11-20 23:45:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-11-20 23:45:28,335 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-11-20 23:45:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-20 23:45:28,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-20 23:45:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_remove [2021-11-20 23:45:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_remove [2021-11-20 23:45:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_resume [2021-11-20 23:45:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_resume [2021-11-20 23:45:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_graph_mutex_of_media_device [2021-11-20 23:45:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_graph_mutex_of_media_device [2021-11-20 23:45:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:45:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 23:45:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 23:45:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_limits [2021-11-20 23:45:28,338 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_limits [2021-11-20 23:45:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:45:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_run [2021-11-20 23:45:28,339 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_run [2021-11-20 23:45:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure uds_compute_ratio [2021-11-20 23:45:28,339 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_compute_ratio [2021-11-20 23:45:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_stop_streaming [2021-11-20 23:45:28,339 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_stop_streaming [2021-11-20 23:45:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:45:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure uds_set_format [2021-11-20 23:45:28,340 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_set_format [2021-11-20 23:45:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_probe [2021-11-20 23:45:28,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_probe [2021-11-20 23:45:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-20 23:45:28,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-20 23:45:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_create [2021-11-20 23:45:28,341 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_create [2021-11-20 23:45:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-20 23:45:28,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-20 23:45:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 23:45:28,341 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 23:45:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2021-11-20 23:45:28,342 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2021-11-20 23:45:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 23:45:28,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 23:45:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-11-20 23:45:28,342 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-11-20 23:45:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_querybuf [2021-11-20 23:45:28,343 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_querybuf [2021-11-20 23:45:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 23:45:28,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 23:45:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_entity [2021-11-20 23:45:28,343 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_entity [2021-11-20 23:45:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure to_lif [2021-11-20 23:45:28,343 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lif [2021-11-20 23:45:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_format [2021-11-20 23:45:28,344 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_format [2021-11-20 23:45:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___3 [2021-11-20 23:45:28,344 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___3 [2021-11-20 23:45:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate [2021-11-20 23:45:28,344 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate [2021-11-20 23:45:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___2 [2021-11-20 23:45:28,345 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___2 [2021-11-20 23:45:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2021-11-20 23:45:28,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2021-11-20 23:45:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-11-20 23:45:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_mbus_code [2021-11-20 23:45:28,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_mbus_code [2021-11-20 23:45:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 23:45:28,346 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 23:45:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___5 [2021-11-20 23:45:28,346 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___5 [2021-11-20 23:45:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___4 [2021-11-20 23:45:28,346 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___4 [2021-11-20 23:45:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 23:45:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 23:45:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure lif_set_format [2021-11-20 23:45:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_set_format [2021-11-20 23:45:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_mbus_code [2021-11-20 23:45:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_mbus_code [2021-11-20 23:45:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_video [2021-11-20 23:45:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_video [2021-11-20 23:45:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure lif_get_format [2021-11-20 23:45:28,348 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_get_format [2021-11-20 23:45:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_crop [2021-11-20 23:45:28,348 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_crop [2021-11-20 23:45:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 23:45:28,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 23:45:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:45:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2021-11-20 23:45:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2021-11-20 23:45:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:45:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:45:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_querycap [2021-11-20 23:45:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_querycap [2021-11-20 23:45:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2021-11-20 23:45:28,350 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2021-11-20 23:45:28,350 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_queue [2021-11-20 23:45:28,350 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_queue [2021-11-20 23:45:28,350 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_init [2021-11-20 23:45:28,350 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_init [2021-11-20 23:45:28,350 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_s_stream [2021-11-20 23:45:28,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_s_stream [2021-11-20 23:45:28,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2021-11-20 23:45:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2021-11-20 23:45:28,351 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_pipeline_stop [2021-11-20 23:45:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_pipeline_stop [2021-11-20 23:45:28,351 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_set_subdevdata [2021-11-20 23:45:28,351 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_set_subdevdata [2021-11-20 23:45:28,351 INFO L130 BoogieDeclarations]: Found specification of procedure lut_set_format [2021-11-20 23:45:28,352 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_set_format [2021-11-20 23:45:28,352 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_frame_size [2021-11-20 23:45:28,352 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_frame_size [2021-11-20 23:45:28,352 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_frame_size [2021-11-20 23:45:28,352 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_frame_size [2021-11-20 23:45:28,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_video [2021-11-20 23:45:28,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_video [2021-11-20 23:45:28,353 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2021-11-20 23:45:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2021-11-20 23:45:28,353 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_s_stream [2021-11-20 23:45:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_s_stream [2021-11-20 23:45:28,353 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_vdev_queue [2021-11-20 23:45:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_vdev_queue [2021-11-20 23:45:28,353 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-20 23:45:28,354 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-20 23:45:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 23:45:28,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 23:45:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure uds_get_format [2021-11-20 23:45:28,354 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_get_format [2021-11-20 23:45:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 23:45:28,355 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 23:45:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2021-11-20 23:45:28,355 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2021-11-20 23:45:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_qbuf [2021-11-20 23:45:28,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_qbuf [2021-11-20 23:45:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_pipeline [2021-11-20 23:45:28,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_pipeline [2021-11-20 23:45:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_mbus_code [2021-11-20 23:45:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_mbus_code [2021-11-20 23:45:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:45:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:45:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:45:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 23:45:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 23:45:29,959 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:45:29,963 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:45:32,492 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:47:02,610 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 23:47:02,814 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:47:06,132 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:47:06,133 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:47:06,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:47:06 BoogieIcfgContainer [2021-11-20 23:47:06,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:47:06,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:47:06,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:47:06,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:47:06,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:45:18" (1/3) ... [2021-11-20 23:47:06,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28746bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:47:06, skipping insertion in model container [2021-11-20 23:47:06,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:26" (2/3) ... [2021-11-20 23:47:06,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28746bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:47:06, skipping insertion in model container [2021-11-20 23:47:06,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:47:06" (3/3) ... [2021-11-20 23:47:06,155 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2021-11-20 23:47:06,163 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:47:06,164 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-20 23:47:06,264 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:47:06,276 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:47:06,277 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-20 23:47:06,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 2860 states, 1779 states have (on average 1.3310848791455874) internal successors, (2368), 1802 states have internal predecessors, (2368), 898 states have call successors, (898), 181 states have call predecessors, (898), 180 states have return successors, (885), 881 states have call predecessors, (885), 885 states have call successors, (885) [2021-11-20 23:47:06,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2021-11-20 23:47:06,512 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:47:06,514 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:47:06,515 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:47:06,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:47:06,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1962090291, now seen corresponding path program 1 times [2021-11-20 23:47:06,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:47:06,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525551276] [2021-11-20 23:47:06,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:47:06,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:47:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:47:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 48183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48183 trivial. 0 not checked. [2021-11-20 23:47:08,783 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:47:08,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525551276] [2021-11-20 23:47:08,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525551276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:47:08,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:47:08,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:47:08,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048967134] [2021-11-20 23:47:08,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:47:08,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:47:08,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:47:08,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:47:08,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:47:08,841 INFO L87 Difference]: Start difference. First operand has 2860 states, 1779 states have (on average 1.3310848791455874) internal successors, (2368), 1802 states have internal predecessors, (2368), 898 states have call successors, (898), 181 states have call predecessors, (898), 180 states have return successors, (885), 881 states have call predecessors, (885), 885 states have call successors, (885) Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-20 23:47:11,657 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:14,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:47:18,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:20,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:22,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:25,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:26,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:28,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:30,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:32,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:35,081 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:47:39,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:40,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:42,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:47:46,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:49,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:47:51,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:47:51,621 INFO L93 Difference]: Finished difference Result 8006 states and 11784 transitions. [2021-11-20 23:47:51,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:47:51,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1124 [2021-11-20 23:47:51,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:47:51,704 INFO L225 Difference]: With dead ends: 8006 [2021-11-20 23:47:51,705 INFO L226 Difference]: Without dead ends: 5349 [2021-11-20 23:47:51,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:47:51,734 INFO L933 BasicCegarLoop]: 4286 mSDtfsCounter, 3649 mSDsluCounter, 4042 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 22 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3660 SdHoareTripleChecker+Valid, 7791 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:47:51,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3660 Valid, 7791 Invalid, 1216 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 1185 Invalid, 9 Unknown, 0 Unchecked, 42.2s Time] [2021-11-20 23:47:51,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2021-11-20 23:47:52,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 5342. [2021-11-20 23:47:52,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5342 states, 3374 states have (on average 1.3337285121517486) internal successors, (4500), 3418 states have internal predecessors, (4500), 1611 states have call successors, (1611), 355 states have call predecessors, (1611), 354 states have return successors, (1614), 1598 states have call predecessors, (1614), 1607 states have call successors, (1614) [2021-11-20 23:47:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5342 states to 5342 states and 7725 transitions. [2021-11-20 23:47:52,225 INFO L78 Accepts]: Start accepts. Automaton has 5342 states and 7725 transitions. Word has length 1124 [2021-11-20 23:47:52,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:47:52,238 INFO L470 AbstractCegarLoop]: Abstraction has 5342 states and 7725 transitions. [2021-11-20 23:47:52,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-20 23:47:52,241 INFO L276 IsEmpty]: Start isEmpty. Operand 5342 states and 7725 transitions. [2021-11-20 23:47:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1136 [2021-11-20 23:47:52,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:47:52,310 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:47:52,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:47:52,311 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:47:52,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:47:52,312 INFO L85 PathProgramCache]: Analyzing trace with hash 867282058, now seen corresponding path program 1 times [2021-11-20 23:47:52,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:47:52,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975631495] [2021-11-20 23:47:52,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:47:52,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:47:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:47:53,191 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2021-11-20 23:47:53,192 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:47:53,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975631495] [2021-11-20 23:47:53,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975631495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:47:53,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:47:53,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:47:53,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651290111] [2021-11-20 23:47:53,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:47:53,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:47:53,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:47:53,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:47:53,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:47:53,200 INFO L87 Difference]: Start difference. First operand 5342 states and 7725 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) [2021-11-20 23:47:55,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:47:58,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:48:00,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:02,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:04,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:06,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:07,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:09,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:11,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:12,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:15,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:17,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:19,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:48:25,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:27,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:29,424 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:32,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:48:32,875 INFO L93 Difference]: Finished difference Result 12717 states and 18338 transitions. [2021-11-20 23:48:32,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:48:32,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) Word has length 1135 [2021-11-20 23:48:32,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:48:32,947 INFO L225 Difference]: With dead ends: 12717 [2021-11-20 23:48:32,948 INFO L226 Difference]: Without dead ends: 7596 [2021-11-20 23:48:32,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:48:32,980 INFO L933 BasicCegarLoop]: 4260 mSDtfsCounter, 3450 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3459 SdHoareTripleChecker+Valid, 7764 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:48:32,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3459 Valid, 7764 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1162 Invalid, 7 Unknown, 0 Unchecked, 39.2s Time] [2021-11-20 23:48:32,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7596 states. [2021-11-20 23:48:33,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7596 to 7570. [2021-11-20 23:48:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7570 states, 4772 states have (on average 1.33151718357083) internal successors, (6354), 4839 states have internal predecessors, (6354), 2272 states have call successors, (2272), 524 states have call predecessors, (2272), 523 states have return successors, (2278), 2249 states have call predecessors, (2278), 2268 states have call successors, (2278) [2021-11-20 23:48:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7570 states to 7570 states and 10904 transitions. [2021-11-20 23:48:33,403 INFO L78 Accepts]: Start accepts. Automaton has 7570 states and 10904 transitions. Word has length 1135 [2021-11-20 23:48:33,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:48:33,406 INFO L470 AbstractCegarLoop]: Abstraction has 7570 states and 10904 transitions. [2021-11-20 23:48:33,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) [2021-11-20 23:48:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 7570 states and 10904 transitions. [2021-11-20 23:48:33,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1143 [2021-11-20 23:48:33,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:48:33,429 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:48:33,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:48:33,430 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:48:33,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:48:33,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1299981323, now seen corresponding path program 1 times [2021-11-20 23:48:33,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:48:33,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782104931] [2021-11-20 23:48:33,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:48:33,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:48:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:48:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2021-11-20 23:48:34,375 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:48:34,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782104931] [2021-11-20 23:48:34,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782104931] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:48:34,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:48:34,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:48:34,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009517133] [2021-11-20 23:48:34,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:48:34,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:48:34,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:48:34,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:48:34,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:48:34,379 INFO L87 Difference]: Start difference. First operand 7570 states and 10904 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-20 23:48:38,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:40,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:48:44,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:48:47,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:49,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:51,538 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:52,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:57,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:59,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:04,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:05,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:08,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:10,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:49:12,960 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:49:15,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:49:15,152 INFO L93 Difference]: Finished difference Result 21927 states and 31562 transitions. [2021-11-20 23:49:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:49:15,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1142 [2021-11-20 23:49:15,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:49:15,302 INFO L225 Difference]: With dead ends: 21927 [2021-11-20 23:49:15,303 INFO L226 Difference]: Without dead ends: 14578 [2021-11-20 23:49:15,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:49:15,349 INFO L933 BasicCegarLoop]: 4255 mSDtfsCounter, 3542 mSDsluCounter, 4011 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 29 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3556 SdHoareTripleChecker+Valid, 7739 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:49:15,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3556 Valid, 7739 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1202 Invalid, 9 Unknown, 0 Unchecked, 40.3s Time] [2021-11-20 23:49:15,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14578 states. [2021-11-20 23:49:16,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14578 to 14548. [2021-11-20 23:49:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14548 states, 9184 states have (on average 1.3280705574912892) internal successors, (12197), 9323 states have internal predecessors, (12197), 4321 states have call successors, (4321), 1041 states have call predecessors, (4321), 1040 states have return successors, (4353), 4269 states have call predecessors, (4353), 4317 states have call successors, (4353) [2021-11-20 23:49:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14548 states to 14548 states and 20871 transitions. [2021-11-20 23:49:16,150 INFO L78 Accepts]: Start accepts. Automaton has 14548 states and 20871 transitions. Word has length 1142 [2021-11-20 23:49:16,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:49:16,152 INFO L470 AbstractCegarLoop]: Abstraction has 14548 states and 20871 transitions. [2021-11-20 23:49:16,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-20 23:49:16,153 INFO L276 IsEmpty]: Start isEmpty. Operand 14548 states and 20871 transitions. [2021-11-20 23:49:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2021-11-20 23:49:16,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:49:16,175 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:49:16,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:49:16,176 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:49:16,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:49:16,177 INFO L85 PathProgramCache]: Analyzing trace with hash 789937342, now seen corresponding path program 1 times [2021-11-20 23:49:16,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:49:16,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045717883] [2021-11-20 23:49:16,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:16,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:49:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:49:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2021-11-20 23:49:17,101 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:49:17,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045717883] [2021-11-20 23:49:17,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045717883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:49:17,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:49:17,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:49:17,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075092827] [2021-11-20 23:49:17,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:49:17,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:49:17,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:49:17,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:49:17,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:49:17,106 INFO L87 Difference]: Start difference. First operand 14548 states and 20871 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2021-11-20 23:49:19,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:21,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:49:24,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:49:26,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:28,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:30,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:32,225 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:33,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:35,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:39,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:42,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:44,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:49:46,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:48,512 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:49:52,386 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:54,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:55,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:57,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:49:57,685 INFO L93 Difference]: Finished difference Result 38073 states and 54597 transitions. [2021-11-20 23:49:57,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:49:57,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 1150 [2021-11-20 23:49:57,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:49:57,833 INFO L225 Difference]: With dead ends: 38073 [2021-11-20 23:49:57,833 INFO L226 Difference]: Without dead ends: 23746 [2021-11-20 23:49:57,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:49:57,898 INFO L933 BasicCegarLoop]: 4283 mSDtfsCounter, 3626 mSDsluCounter, 4050 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 12 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3641 SdHoareTripleChecker+Valid, 7794 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:49:57,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3641 Valid, 7794 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1157 Invalid, 9 Unknown, 0 Unchecked, 39.7s Time] [2021-11-20 23:49:57,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23746 states. [2021-11-20 23:49:58,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23746 to 23710. [2021-11-20 23:49:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23710 states, 14991 states have (on average 1.3270629044093123) internal successors, (19894), 15222 states have internal predecessors, (19894), 6994 states have call successors, (6994), 1722 states have call predecessors, (6994), 1722 states have return successors, (7069), 6900 states have call predecessors, (7069), 6990 states have call successors, (7069) [2021-11-20 23:49:59,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23710 states to 23710 states and 33957 transitions. [2021-11-20 23:49:59,143 INFO L78 Accepts]: Start accepts. Automaton has 23710 states and 33957 transitions. Word has length 1150 [2021-11-20 23:49:59,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:49:59,145 INFO L470 AbstractCegarLoop]: Abstraction has 23710 states and 33957 transitions. [2021-11-20 23:49:59,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2021-11-20 23:49:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 23710 states and 33957 transitions. [2021-11-20 23:49:59,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1157 [2021-11-20 23:49:59,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:49:59,175 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:49:59,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:49:59,176 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:49:59,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:49:59,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1050986394, now seen corresponding path program 1 times [2021-11-20 23:49:59,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:49:59,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038142594] [2021-11-20 23:49:59,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:59,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:49:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2021-11-20 23:50:00,066 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:00,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038142594] [2021-11-20 23:50:00,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038142594] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:50:00,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:50:00,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:50:00,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861148759] [2021-11-20 23:50:00,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:50:00,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:50:00,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:50:00,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:50:00,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:50:00,071 INFO L87 Difference]: Start difference. First operand 23710 states and 33957 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-20 23:50:04,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:50:07,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:09,401 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:11,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:13,499 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:14,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:21,149 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:23,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:28,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:31,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:32,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:33,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:35,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:50:38,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:50:40,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:50:40,261 INFO L93 Difference]: Finished difference Result 64801 states and 92803 transitions. [2021-11-20 23:50:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:50:40,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1156 [2021-11-20 23:50:40,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:50:40,572 INFO L225 Difference]: With dead ends: 64801 [2021-11-20 23:50:40,572 INFO L226 Difference]: Without dead ends: 41312 [2021-11-20 23:50:40,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:50:40,669 INFO L933 BasicCegarLoop]: 4332 mSDtfsCounter, 3615 mSDsluCounter, 4063 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3627 SdHoareTripleChecker+Valid, 7847 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:50:40,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3627 Valid, 7847 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1152 Invalid, 8 Unknown, 0 Unchecked, 39.0s Time] [2021-11-20 23:50:40,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41312 states. [2021-11-20 23:50:42,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41312 to 41271. [2021-11-20 23:50:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41271 states, 26111 states have (on average 1.328367354754701) internal successors, (34685), 26540 states have internal predecessors, (34685), 12127 states have call successors, (12127), 3030 states have call predecessors, (12127), 3030 states have return successors, (12270), 11936 states have call predecessors, (12270), 12123 states have call successors, (12270) [2021-11-20 23:50:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41271 states to 41271 states and 59082 transitions. [2021-11-20 23:50:42,774 INFO L78 Accepts]: Start accepts. Automaton has 41271 states and 59082 transitions. Word has length 1156 [2021-11-20 23:50:42,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:50:42,775 INFO L470 AbstractCegarLoop]: Abstraction has 41271 states and 59082 transitions. [2021-11-20 23:50:42,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-20 23:50:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 41271 states and 59082 transitions. [2021-11-20 23:50:42,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2021-11-20 23:50:42,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:50:42,802 INFO L514 BasicCegarLoop]: trace histogram [112, 111, 111, 111, 111, 111, 111, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:50:42,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:50:42,803 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:50:42,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:50:42,804 INFO L85 PathProgramCache]: Analyzing trace with hash 435082301, now seen corresponding path program 1 times [2021-11-20 23:50:42,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:50:42,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311309747] [2021-11-20 23:50:42,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:50:42,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:50:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:50:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 49062 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49062 trivial. 0 not checked. [2021-11-20 23:50:44,126 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:50:44,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311309747] [2021-11-20 23:50:44,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311309747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:50:44,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:50:44,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:50:44,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433879334] [2021-11-20 23:50:44,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:50:44,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:50:44,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:50:44,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:50:44,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:50:44,131 INFO L87 Difference]: Start difference. First operand 41271 states and 59082 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-20 23:50:46,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:48,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:50:51,912 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:50:53,162 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:55,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:57,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:50:59,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:02,726 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:06,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:08,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:14,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:19,059 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:22,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:51:24,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:51:24,262 INFO L93 Difference]: Finished difference Result 118071 states and 169058 transitions. [2021-11-20 23:51:24,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:51:24,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1159 [2021-11-20 23:51:24,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:51:24,716 INFO L225 Difference]: With dead ends: 118071 [2021-11-20 23:51:24,716 INFO L226 Difference]: Without dead ends: 77021 [2021-11-20 23:51:25,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:51:25,060 INFO L933 BasicCegarLoop]: 4288 mSDtfsCounter, 3648 mSDsluCounter, 4069 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 12 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3660 SdHoareTripleChecker+Valid, 7808 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:51:25,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3660 Valid, 7808 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1148 Invalid, 8 Unknown, 0 Unchecked, 38.0s Time] [2021-11-20 23:51:25,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77021 states. [2021-11-20 23:51:28,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77021 to 76965. [2021-11-20 23:51:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76965 states, 48812 states have (on average 1.3288535605998526) internal successors, (64864), 49659 states have internal predecessors, (64864), 22466 states have call successors, (22466), 5684 states have call predecessors, (22466), 5684 states have return successors, (22755), 22061 states have call predecessors, (22755), 22462 states have call successors, (22755) [2021-11-20 23:51:29,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76965 states to 76965 states and 110085 transitions. [2021-11-20 23:51:29,934 INFO L78 Accepts]: Start accepts. Automaton has 76965 states and 110085 transitions. Word has length 1159 [2021-11-20 23:51:29,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:51:29,937 INFO L470 AbstractCegarLoop]: Abstraction has 76965 states and 110085 transitions. [2021-11-20 23:51:29,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2021-11-20 23:51:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 76965 states and 110085 transitions. [2021-11-20 23:51:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1162 [2021-11-20 23:51:29,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:51:29,997 INFO L514 BasicCegarLoop]: trace histogram [112, 110, 110, 110, 110, 110, 110, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:51:29,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 23:51:29,997 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:51:29,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:51:29,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1729495005, now seen corresponding path program 1 times [2021-11-20 23:51:29,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:51:29,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493354952] [2021-11-20 23:51:29,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:51:30,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:51:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:51:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 48408 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 48402 trivial. 0 not checked. [2021-11-20 23:51:30,982 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:51:30,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493354952] [2021-11-20 23:51:30,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493354952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:51:30,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:51:30,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:51:30,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326121410] [2021-11-20 23:51:30,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:51:30,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:51:30,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:51:30,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:51:30,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:51:30,988 INFO L87 Difference]: Start difference. First operand 76965 states and 110085 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) [2021-11-20 23:51:33,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:35,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:51:37,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:39,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:42,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:44,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:46,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:51,319 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:51:53,418 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:03,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:05,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:09,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:52:13,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:52:13,384 INFO L93 Difference]: Finished difference Result 219126 states and 313424 transitions. [2021-11-20 23:52:13,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:52:13,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) Word has length 1161 [2021-11-20 23:52:13,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:52:14,648 INFO L225 Difference]: With dead ends: 219126 [2021-11-20 23:52:14,648 INFO L226 Difference]: Without dead ends: 142382 [2021-11-20 23:52:14,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:52:14,911 INFO L933 BasicCegarLoop]: 5637 mSDtfsCounter, 3669 mSDsluCounter, 4059 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3681 SdHoareTripleChecker+Valid, 9148 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:52:14,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3681 Valid, 9148 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1466 Invalid, 7 Unknown, 0 Unchecked, 38.5s Time] [2021-11-20 23:52:15,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142382 states. [2021-11-20 23:52:20,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142382 to 142293. [2021-11-20 23:52:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142293 states, 90523 states have (on average 1.3289440252753444) internal successors, (120300), 92137 states have internal predecessors, (120300), 41170 states have call successors, (41170), 10630 states have call predecessors, (41170), 10597 states have return successors, (41742), 40344 states have call predecessors, (41742), 41166 states have call successors, (41742) [2021-11-20 23:52:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142293 states to 142293 states and 203212 transitions. [2021-11-20 23:52:21,477 INFO L78 Accepts]: Start accepts. Automaton has 142293 states and 203212 transitions. Word has length 1161 [2021-11-20 23:52:21,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:52:21,479 INFO L470 AbstractCegarLoop]: Abstraction has 142293 states and 203212 transitions. [2021-11-20 23:52:21,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) [2021-11-20 23:52:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 142293 states and 203212 transitions. [2021-11-20 23:52:21,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1182 [2021-11-20 23:52:21,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:52:21,520 INFO L514 BasicCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:52:21,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 23:52:21,521 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:52:21,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:52:21,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1888593128, now seen corresponding path program 1 times [2021-11-20 23:52:21,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:52:21,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908321416] [2021-11-20 23:52:21,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:52:21,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:52:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:52:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 48886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48886 trivial. 0 not checked. [2021-11-20 23:52:24,043 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:52:24,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908321416] [2021-11-20 23:52:24,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908321416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:52:24,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:52:24,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:52:24,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377853361] [2021-11-20 23:52:24,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:52:24,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:52:24,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:52:24,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:52:24,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:52:24,050 INFO L87 Difference]: Start difference. First operand 142293 states and 203212 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2021-11-20 23:52:27,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:31,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:52:36,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:37,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:39,725 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:41,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:43,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:49,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:52,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:54,157 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:55,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:52:58,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:00,185 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:08,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:53:08,484 INFO L93 Difference]: Finished difference Result 143304 states and 204139 transitions. [2021-11-20 23:53:08,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:53:08,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) Word has length 1181 [2021-11-20 23:53:08,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:53:09,629 INFO L225 Difference]: With dead ends: 143304 [2021-11-20 23:53:09,630 INFO L226 Difference]: Without dead ends: 143302 [2021-11-20 23:53:09,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:53:09,697 INFO L933 BasicCegarLoop]: 3544 mSDtfsCounter, 3785 mSDsluCounter, 8324 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3802 SdHoareTripleChecker+Valid, 10716 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:53:09,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3802 Valid, 10716 Invalid, 1740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1732 Invalid, 6 Unknown, 0 Unchecked, 41.1s Time] [2021-11-20 23:53:09,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143302 states. [2021-11-20 23:53:14,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143302 to 143297. [2021-11-20 23:53:14,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143297 states, 91093 states have (on average 1.3276322000592802) internal successors, (120938), 92714 states have internal predecessors, (120938), 41304 states have call successors, (41304), 10923 states have call predecessors, (41304), 10897 states have return successors, (41889), 40478 states have call predecessors, (41889), 41300 states have call successors, (41889) [2021-11-20 23:53:15,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143297 states to 143297 states and 204131 transitions. [2021-11-20 23:53:15,491 INFO L78 Accepts]: Start accepts. Automaton has 143297 states and 204131 transitions. Word has length 1181 [2021-11-20 23:53:15,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:53:15,493 INFO L470 AbstractCegarLoop]: Abstraction has 143297 states and 204131 transitions. [2021-11-20 23:53:15,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2021-11-20 23:53:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 143297 states and 204131 transitions. [2021-11-20 23:53:15,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1180 [2021-11-20 23:53:15,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:53:15,520 INFO L514 BasicCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:53:15,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 23:53:15,521 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:53:15,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:53:15,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2019282113, now seen corresponding path program 1 times [2021-11-20 23:53:15,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:53:15,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101348100] [2021-11-20 23:53:15,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:53:15,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:53:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:53:16,803 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2021-11-20 23:53:16,804 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:53:16,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101348100] [2021-11-20 23:53:16,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101348100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:53:16,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:53:16,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:53:16,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946130751] [2021-11-20 23:53:16,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:53:16,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:53:16,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:53:16,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:53:16,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:53:16,809 INFO L87 Difference]: Start difference. First operand 143297 states and 204131 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) [2021-11-20 23:53:20,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:21,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:26,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:53:32,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:34,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:36,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:41,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:43,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:48,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:50,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:54,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-20 23:53:56,881 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:53:59,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:54:06,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:54:06,861 INFO L93 Difference]: Finished difference Result 425879 states and 606875 transitions. [2021-11-20 23:54:06,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:54:06,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) Word has length 1179 [2021-11-20 23:54:06,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:54:08,545 INFO L225 Difference]: With dead ends: 425879 [2021-11-20 23:54:08,545 INFO L226 Difference]: Without dead ends: 282803 [2021-11-20 23:54:08,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:54:08,991 INFO L933 BasicCegarLoop]: 4664 mSDtfsCounter, 3720 mSDsluCounter, 4085 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3729 SdHoareTripleChecker+Valid, 8195 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:54:08,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3729 Valid, 8195 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1182 Invalid, 7 Unknown, 0 Unchecked, 41.3s Time] [2021-11-20 23:54:09,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282803 states.