./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-net-ethernet-sun-cassini.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 232e8c8bdb70ee1ad9fec7edefe8ce3076fc3bc6f131163eee7a33dd2ac504a2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 01:43:29,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:43:29,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:43:29,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:43:29,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:43:29,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:43:29,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:43:29,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:43:29,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:43:29,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:43:29,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:43:29,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:43:29,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:43:29,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:43:29,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:43:29,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:43:29,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:43:29,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:43:29,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:43:29,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:43:29,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:43:29,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:43:29,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:43:29,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:43:29,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:43:29,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:43:29,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:43:29,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:43:29,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:43:29,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:43:29,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:43:29,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:43:29,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:43:29,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:43:29,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:43:29,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:43:29,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:43:29,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:43:29,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:43:29,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:43:29,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:43:29,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 01:43:29,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:43:29,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:43:29,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:43:29,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:43:29,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:43:29,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:43:29,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:43:29,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:43:29,829 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:43:29,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:43:29,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:43:29,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:43:29,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:43:29,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:43:29,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:43:29,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:43:29,831 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:43:29,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:43:29,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:43:29,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:43:29,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:43:29,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:43:29,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:43:29,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:43:29,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:43:29,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:43:29,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:43:29,833 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:43:29,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:43:29,834 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:43:29,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:43:29,834 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 232e8c8bdb70ee1ad9fec7edefe8ce3076fc3bc6f131163eee7a33dd2ac504a2 [2022-11-23 01:43:30,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:43:30,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:43:30,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:43:30,109 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:43:30,109 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:43:30,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i [2022-11-23 01:43:33,059 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:43:33,882 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:43:33,883 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i [2022-11-23 01:43:33,942 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/data/bb499b94d/df4f176865a6498daf5cd5ada9fde694/FLAGfafe7055a [2022-11-23 01:43:33,956 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/data/bb499b94d/df4f176865a6498daf5cd5ada9fde694 [2022-11-23 01:43:33,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:43:33,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:43:33,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:43:33,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:43:33,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:43:33,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:33" (1/1) ... [2022-11-23 01:43:33,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1789f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:33, skipping insertion in model container [2022-11-23 01:43:33,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:33" (1/1) ... [2022-11-23 01:43:33,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:43:34,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:43:38,252 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445023,445036] [2022-11-23 01:43:38,255 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445189,445202] [2022-11-23 01:43:38,256 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445353,445366] [2022-11-23 01:43:38,257 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445518,445531] [2022-11-23 01:43:38,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:43:38,362 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:43:38,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445023,445036] [2022-11-23 01:43:38,935 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445189,445202] [2022-11-23 01:43:38,935 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445353,445366] [2022-11-23 01:43:38,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i[445518,445531] [2022-11-23 01:43:38,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:43:39,235 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:43:39,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39 WrapperNode [2022-11-23 01:43:39,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:43:39,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:43:39,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:43:39,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:43:39,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (1/1) ... [2022-11-23 01:43:39,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (1/1) ... [2022-11-23 01:43:39,728 INFO L138 Inliner]: procedures = 544, calls = 4003, calls flagged for inlining = 320, calls inlined = 309, statements flattened = 10078 [2022-11-23 01:43:39,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:43:39,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:43:39,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:43:39,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:43:39,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (1/1) ... [2022-11-23 01:43:39,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (1/1) ... [2022-11-23 01:43:39,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (1/1) ... [2022-11-23 01:43:39,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (1/1) ... [2022-11-23 01:43:40,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (1/1) ... [2022-11-23 01:43:40,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (1/1) ... [2022-11-23 01:43:40,216 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (1/1) ... [2022-11-23 01:43:40,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (1/1) ... [2022-11-23 01:43:40,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:43:40,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:43:40,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:43:40,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:43:40,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (1/1) ... [2022-11-23 01:43:40,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:43:40,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:43:40,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:43:40,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4cf124c-7ec0-47ee-82e2-ba6bd86e0db3/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:43:40,392 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 01:43:40,392 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 01:43:40,392 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_read [2022-11-23 01:43:40,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_read [2022-11-23 01:43:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure cas_pcs_link_check [2022-11-23 01:43:40,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_pcs_link_check [2022-11-23 01:43:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 01:43:40,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 01:43:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 01:43:40,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 01:43:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-23 01:43:40,394 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-23 01:43:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-23 01:43:40,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-23 01:43:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 01:43:40,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 01:43:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mii_link_check [2022-11-23 01:43:40,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mii_link_check [2022-11-23 01:43:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure cas_calc_tabort [2022-11-23 01:43:40,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_calc_tabort [2022-11-23 01:43:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-23 01:43:40,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-23 01:43:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-23 01:43:40,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-23 01:43:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-23 01:43:40,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-23 01:43:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 01:43:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 01:43:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 01:43:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 01:43:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure cas_lock_tx [2022-11-23 01:43:40,398 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_lock_tx [2022-11-23 01:43:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-23 01:43:40,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-23 01:43:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 01:43:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 01:43:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure cas_disable_irq [2022-11-23 01:43:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_disable_irq [2022-11-23 01:43:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure cas_free_rxds [2022-11-23 01:43:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_free_rxds [2022-11-23 01:43:40,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-11-23 01:43:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-11-23 01:43:40,400 INFO L130 BoogieDeclarations]: Found specification of procedure cas_open [2022-11-23 01:43:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_open [2022-11-23 01:43:40,400 INFO L130 BoogieDeclarations]: Found specification of procedure cas_interrupt [2022-11-23 01:43:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_interrupt [2022-11-23 01:43:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_tiny_free [2022-11-23 01:43:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_tiny_free [2022-11-23 01:43:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-23 01:43:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-23 01:43:40,402 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_map [2022-11-23 01:43:40,402 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_map [2022-11-23 01:43:40,402 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_init [2022-11-23 01:43:40,402 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_init [2022-11-23 01:43:40,402 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-23 01:43:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-23 01:43:40,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-11-23 01:43:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-11-23 01:43:40,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 01:43:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 01:43:40,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 01:43:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 01:43:40,403 INFO L130 BoogieDeclarations]: Found specification of procedure cas_enable_irq [2022-11-23 01:43:40,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_enable_irq [2022-11-23 01:43:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 01:43:40,404 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 01:43:40,405 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 01:43:40,405 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 01:43:40,405 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_dequeue [2022-11-23 01:43:40,405 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_dequeue [2022-11-23 01:43:40,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-23 01:43:40,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-23 01:43:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 01:43:40,406 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 01:43:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 01:43:40,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 01:43:40,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-23 01:43:40,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-23 01:43:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 01:43:40,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 01:43:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 01:43:40,407 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 01:43:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:43:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-23 01:43:40,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-23 01:43:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_multicast [2022-11-23 01:43:40,408 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_multicast [2022-11-23 01:43:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-23 01:43:40,409 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-23 01:43:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 01:43:40,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 01:43:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_free [2022-11-23 01:43:40,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_free [2022-11-23 01:43:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_timeout [2022-11-23 01:43:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_timeout [2022-11-23 01:43:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 01:43:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 01:43:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_pcs_link_mode [2022-11-23 01:43:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_pcs_link_mode [2022-11-23 01:43:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 01:43:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 01:43:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 01:43:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure cas_close [2022-11-23 01:43:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_close [2022-11-23 01:43:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_swap [2022-11-23 01:43:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_swap [2022-11-23 01:43:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 01:43:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 01:43:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure cas_netpoll [2022-11-23 01:43:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_netpoll [2022-11-23 01:43:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure cas_hard_reset [2022-11-23 01:43:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_hard_reset [2022-11-23 01:43:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 01:43:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 01:43:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 01:43:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 01:43:40,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 01:43:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure cas_rxc_init [2022-11-23 01:43:40,414 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_rxc_init [2022-11-23 01:43:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 01:43:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 01:43:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 01:43:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clear_mac_err [2022-11-23 01:43:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clear_mac_err [2022-11-23 01:43:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 01:43:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 01:43:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 01:43:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 01:43:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 01:43:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 01:43:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 01:43:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 01:43:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure cas_remove_one [2022-11-23 01:43:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_remove_one [2022-11-23 01:43:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 01:43:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 01:43:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 01:43:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 01:43:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-23 01:43:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-23 01:43:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 01:43:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 01:43:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 01:43:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 01:43:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 01:43:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 01:43:40,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 01:43:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:43:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-23 01:43:40,419 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-23 01:43:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 01:43:40,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 01:43:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pm_mutex_of_cas [2022-11-23 01:43:40,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pm_mutex_of_cas [2022-11-23 01:43:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 01:43:40,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 01:43:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 01:43:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 01:43:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 01:43:40,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 01:43:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_link_modes [2022-11-23 01:43:40,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_link_modes [2022-11-23 01:43:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_mii_link_mode [2022-11-23 01:43:40,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_mii_link_mode [2022-11-23 01:43:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-23 01:43:40,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-23 01:43:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 01:43:40,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 01:43:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 01:43:40,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 01:43:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-23 01:43:40,423 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-23 01:43:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-11-23 01:43:40,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-11-23 01:43:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 01:43:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 01:43:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 01:43:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 01:43:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 01:43:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 01:43:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2022-11-23 01:43:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2022-11-23 01:43:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 01:43:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 01:43:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure cas_entropy_gather [2022-11-23 01:43:40,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_entropy_gather [2022-11-23 01:43:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure cas_resume [2022-11-23 01:43:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_resume [2022-11-23 01:43:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:43:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:43:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_alloc [2022-11-23 01:43:40,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_alloc [2022-11-23 01:43:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 01:43:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 01:43:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 01:43:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 01:43:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 01:43:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 01:43:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mif_poll [2022-11-23 01:43:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mif_poll [2022-11-23 01:43:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 01:43:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 01:43:40,428 INFO L130 BoogieDeclarations]: Found specification of procedure cas_unlock_tx [2022-11-23 01:43:40,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_unlock_tx [2022-11-23 01:43:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice [2022-11-23 01:43:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice [2022-11-23 01:43:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 01:43:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 01:43:40,429 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2022-11-23 01:43:40,429 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2022-11-23 01:43:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 01:43:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 01:43:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 01:43:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 01:43:40,430 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 01:43:40,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 01:43:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 01:43:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 01:43:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_buf [2022-11-23 01:43:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_buf [2022-11-23 01:43:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mac_reset [2022-11-23 01:43:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mac_reset [2022-11-23 01:43:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:43:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 01:43:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 01:43:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_set_page [2022-11-23 01:43:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_set_page [2022-11-23 01:43:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 01:43:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_regs_len [2022-11-23 01:43:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_regs_len [2022-11-23 01:43:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure cas_reset [2022-11-23 01:43:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_reset [2022-11-23 01:43:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-23 01:43:40,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-23 01:43:40,434 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_page [2022-11-23 01:43:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_page [2022-11-23 01:43:40,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 01:43:40,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-23 01:43:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-23 01:43:40,434 INFO L130 BoogieDeclarations]: Found specification of procedure cas_nway_reset [2022-11-23 01:43:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_nway_reset [2022-11-23 01:43:40,435 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 01:43:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 01:43:40,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pm_mutex_of_cas [2022-11-23 01:43:40,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pm_mutex_of_cas [2022-11-23 01:43:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 01:43:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 01:43:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 01:43:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 01:43:40,436 INFO L130 BoogieDeclarations]: Found specification of procedure cas_setup_multicast [2022-11-23 01:43:40,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_setup_multicast [2022-11-23 01:43:40,437 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_powerdown [2022-11-23 01:43:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_powerdown [2022-11-23 01:43:40,437 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_rxds_ringN [2022-11-23 01:43:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_rxds_ringN [2022-11-23 01:43:40,437 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-23 01:43:40,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-23 01:43:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure cas_vpd_match [2022-11-23 01:43:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_vpd_match [2022-11-23 01:43:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 01:43:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 01:43:40,438 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-11-23 01:43:40,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-11-23 01:43:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-23 01:43:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-23 01:43:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 01:43:40,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 01:43:40,439 INFO L130 BoogieDeclarations]: Found specification of procedure page_count [2022-11-23 01:43:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure page_count [2022-11-23 01:43:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 01:43:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 01:43:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure cas_shutdown [2022-11-23 01:43:40,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_shutdown [2022-11-23 01:43:40,440 INFO L130 BoogieDeclarations]: Found specification of procedure cas_begin_auto_negotiation [2022-11-23 01:43:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_begin_auto_negotiation [2022-11-23 01:43:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-23 01:43:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-23 01:43:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 01:43:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 01:43:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure cas_write_txd [2022-11-23 01:43:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_write_txd [2022-11-23 01:43:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 01:43:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 01:43:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-23 01:43:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-23 01:43:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_ref [2022-11-23 01:43:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_ref [2022-11-23 01:43:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 01:43:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 01:43:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 01:43:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-23 01:43:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-23 01:43:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure cas_init_hw [2022-11-23 01:43:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_init_hw [2022-11-23 01:43:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clean_rings [2022-11-23 01:43:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clean_rings [2022-11-23 01:43:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_free [2022-11-23 01:43:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_free [2022-11-23 01:43:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-23 01:43:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-23 01:43:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_write [2022-11-23 01:43:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_write [2022-11-23 01:43:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 01:43:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 01:43:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-23 01:43:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-23 01:43:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-23 01:43:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-23 01:43:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_recover [2022-11-23 01:43:40,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_recover [2022-11-23 01:43:40,446 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-23 01:43:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-23 01:43:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 01:43:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 01:43:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_stats [2022-11-23 01:43:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_stats [2022-11-23 01:43:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 01:43:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 01:43:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-11-23 01:43:40,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-11-23 01:43:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 01:43:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 01:43:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 01:43:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-23 01:43:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-23 01:43:40,449 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-23 01:43:40,449 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-23 01:43:41,826 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:43:41,830 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:43:42,183 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 01:47:23,440 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 01:47:23,703 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:47:23,738 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:47:23,739 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 01:47:23,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:23 BoogieIcfgContainer [2022-11-23 01:47:23,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:47:23,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:47:23,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:47:23,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:47:23,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:43:33" (1/3) ... [2022-11-23 01:47:23,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9a20ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:47:23, skipping insertion in model container [2022-11-23 01:47:23,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:39" (2/3) ... [2022-11-23 01:47:23,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9a20ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:47:23, skipping insertion in model container [2022-11-23 01:47:23,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:23" (3/3) ... [2022-11-23 01:47:23,756 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-sun-cassini.cil.i [2022-11-23 01:47:23,775 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:47:23,775 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-23 01:47:23,916 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:47:23,923 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f356a57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:47:23,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-23 01:47:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 3687 states, 2486 states have (on average 1.2972646822204343) internal successors, (3225), 2556 states have internal predecessors, (3225), 1045 states have call successors, (1045), 155 states have call predecessors, (1045), 154 states have return successors, (1040), 1028 states have call predecessors, (1040), 1040 states have call successors, (1040) [2022-11-23 01:47:23,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-23 01:47:23,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:47:23,973 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:47:23,973 INFO L420 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_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:47:23,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:47:23,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1810620206, now seen corresponding path program 1 times [2022-11-23 01:47:23,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:47:23,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911168250] [2022-11-23 01:47:23,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:47:23,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:47:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:47:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:47:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:47:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:47:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:47:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:47:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:47:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:25,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:47:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:47:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:47:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:47:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:47:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:47:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:47:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 01:47:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:47:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-11-23 01:47:26,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:47:26,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911168250] [2022-11-23 01:47:26,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911168250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:47:26,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:47:26,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:47:26,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705052444] [2022-11-23 01:47:26,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:47:26,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:47:26,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:47:26,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:47:26,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:47:26,204 INFO L87 Difference]: Start difference. First operand has 3687 states, 2486 states have (on average 1.2972646822204343) internal successors, (3225), 2556 states have internal predecessors, (3225), 1045 states have call successors, (1045), 155 states have call predecessors, (1045), 154 states have return successors, (1040), 1028 states have call predecessors, (1040), 1040 states have call successors, (1040) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-23 01:47:28,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:47:30,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:47:53,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:47:59,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:48:04,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:48:04,862 INFO L93 Difference]: Finished difference Result 11761 states and 17349 transitions. [2022-11-23 01:48:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:48:04,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 156 [2022-11-23 01:48:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:48:04,944 INFO L225 Difference]: With dead ends: 11761 [2022-11-23 01:48:04,944 INFO L226 Difference]: Without dead ends: 8091 [2022-11-23 01:48:04,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:48:04,978 INFO L413 NwaCegarLoop]: 4289 mSDtfsCounter, 7837 mSDsluCounter, 4908 mSDsCounter, 0 mSdLazyCounter, 5921 mSolverCounterSat, 3631 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8928 SdHoareTripleChecker+Valid, 9197 SdHoareTripleChecker+Invalid, 9554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3631 IncrementalHoareTripleChecker+Valid, 5921 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2022-11-23 01:48:04,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8928 Valid, 9197 Invalid, 9554 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3631 Valid, 5921 Invalid, 2 Unknown, 0 Unchecked, 37.6s Time] [2022-11-23 01:48:05,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8091 states. [2022-11-23 01:48:05,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8091 to 7223. [2022-11-23 01:48:05,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7223 states, 4866 states have (on average 1.2870941224825319) internal successors, (6263), 5002 states have internal predecessors, (6263), 2049 states have call successors, (2049), 306 states have call predecessors, (2049), 305 states have return successors, (2046), 2022 states have call predecessors, (2046), 2046 states have call successors, (2046) [2022-11-23 01:48:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7223 states to 7223 states and 10358 transitions. [2022-11-23 01:48:05,531 INFO L78 Accepts]: Start accepts. Automaton has 7223 states and 10358 transitions. Word has length 156 [2022-11-23 01:48:05,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:48:05,532 INFO L495 AbstractCegarLoop]: Abstraction has 7223 states and 10358 transitions. [2022-11-23 01:48:05,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-23 01:48:05,533 INFO L276 IsEmpty]: Start isEmpty. Operand 7223 states and 10358 transitions. [2022-11-23 01:48:05,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-23 01:48:05,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:48:05,539 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:48:05,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 01:48:05,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:48:05,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:48:05,540 INFO L85 PathProgramCache]: Analyzing trace with hash 567958573, now seen corresponding path program 1 times [2022-11-23 01:48:05,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:48:05,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166475370] [2022-11-23 01:48:05,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:48:05,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:48:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:48:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:48:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:48:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:48:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:48:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:48:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:48:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:48:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:48:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:48:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:48:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:48:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:48:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 01:48:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-11-23 01:48:07,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:48:07,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166475370] [2022-11-23 01:48:07,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166475370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:48:07,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:48:07,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:48:07,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241848337] [2022-11-23 01:48:07,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:48:07,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:48:07,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:48:07,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:48:07,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:48:07,014 INFO L87 Difference]: Start difference. First operand 7223 states and 10358 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-23 01:48:09,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:48:11,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:48:40,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:48:40,894 INFO L93 Difference]: Finished difference Result 16050 states and 23093 transitions. [2022-11-23 01:48:40,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:48:40,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 171 [2022-11-23 01:48:40,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:48:40,952 INFO L225 Difference]: With dead ends: 16050 [2022-11-23 01:48:40,953 INFO L226 Difference]: Without dead ends: 8856 [2022-11-23 01:48:40,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:48:40,990 INFO L413 NwaCegarLoop]: 4045 mSDtfsCounter, 5508 mSDsluCounter, 4871 mSDsCounter, 0 mSdLazyCounter, 5456 mSolverCounterSat, 2267 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6348 SdHoareTripleChecker+Valid, 8916 SdHoareTripleChecker+Invalid, 7725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2267 IncrementalHoareTripleChecker+Valid, 5456 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:48:40,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6348 Valid, 8916 Invalid, 7725 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2267 Valid, 5456 Invalid, 2 Unknown, 0 Unchecked, 33.1s Time] [2022-11-23 01:48:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8856 states. [2022-11-23 01:48:41,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8856 to 7995. [2022-11-23 01:48:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7995 states, 5483 states have (on average 1.2954586904979026) internal successors, (7103), 5632 states have internal predecessors, (7103), 2126 states have call successors, (2126), 384 states have call predecessors, (2126), 383 states have return successors, (2123), 2096 states have call predecessors, (2123), 2123 states have call successors, (2123) [2022-11-23 01:48:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7995 states to 7995 states and 11352 transitions. [2022-11-23 01:48:41,445 INFO L78 Accepts]: Start accepts. Automaton has 7995 states and 11352 transitions. Word has length 171 [2022-11-23 01:48:41,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:48:41,446 INFO L495 AbstractCegarLoop]: Abstraction has 7995 states and 11352 transitions. [2022-11-23 01:48:41,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-23 01:48:41,447 INFO L276 IsEmpty]: Start isEmpty. Operand 7995 states and 11352 transitions. [2022-11-23 01:48:41,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-23 01:48:41,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:48:41,455 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:48:41,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 01:48:41,455 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:48:41,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:48:41,456 INFO L85 PathProgramCache]: Analyzing trace with hash 626171647, now seen corresponding path program 1 times [2022-11-23 01:48:41,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:48:41,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860740564] [2022-11-23 01:48:41,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:48:41,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:48:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:48:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:48:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:48:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:48:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:48:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:48:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:48:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:48:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:48:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:48:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:48:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:48:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:48:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:48:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:48:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:48:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-11-23 01:48:42,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:48:42,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860740564] [2022-11-23 01:48:42,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860740564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:48:42,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:48:42,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:48:42,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553893083] [2022-11-23 01:48:42,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:48:42,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:48:42,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:48:42,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:48:42,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:48:42,514 INFO L87 Difference]: Start difference. First operand 7995 states and 11352 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-23 01:48:44,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:48:46,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:49:19,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:49:19,582 INFO L93 Difference]: Finished difference Result 21245 states and 30455 transitions. [2022-11-23 01:49:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:49:19,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 174 [2022-11-23 01:49:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:49:19,681 INFO L225 Difference]: With dead ends: 21245 [2022-11-23 01:49:19,681 INFO L226 Difference]: Without dead ends: 13279 [2022-11-23 01:49:19,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:49:19,721 INFO L413 NwaCegarLoop]: 4202 mSDtfsCounter, 7153 mSDsluCounter, 4808 mSDsCounter, 0 mSdLazyCounter, 5844 mSolverCounterSat, 3464 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8139 SdHoareTripleChecker+Valid, 9010 SdHoareTripleChecker+Invalid, 9310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3464 IncrementalHoareTripleChecker+Valid, 5844 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2022-11-23 01:49:19,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8139 Valid, 9010 Invalid, 9310 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3464 Valid, 5844 Invalid, 2 Unknown, 0 Unchecked, 36.2s Time] [2022-11-23 01:49:19,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13279 states. [2022-11-23 01:49:20,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13279 to 12139. [2022-11-23 01:49:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12139 states, 8300 states have (on average 1.29855421686747) internal successors, (10778), 8537 states have internal predecessors, (10778), 3233 states have call successors, (3233), 591 states have call predecessors, (3233), 603 states have return successors, (3269), 3194 states have call predecessors, (3269), 3230 states have call successors, (3269) [2022-11-23 01:49:20,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12139 states to 12139 states and 17280 transitions. [2022-11-23 01:49:20,552 INFO L78 Accepts]: Start accepts. Automaton has 12139 states and 17280 transitions. Word has length 174 [2022-11-23 01:49:20,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:49:20,554 INFO L495 AbstractCegarLoop]: Abstraction has 12139 states and 17280 transitions. [2022-11-23 01:49:20,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-23 01:49:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 12139 states and 17280 transitions. [2022-11-23 01:49:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-23 01:49:20,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:49:20,560 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:49:20,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 01:49:20,560 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting 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, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:49:20,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:49:20,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1457586675, now seen corresponding path program 1 times [2022-11-23 01:49:20,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:49:20,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471463427] [2022-11-23 01:49:20,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:49:20,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:49:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:49:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:49:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:49:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:49:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:49:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:49:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:49:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:49:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:49:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:49:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:49:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:49:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:49:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 01:49:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 01:49:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:49:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-23 01:49:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:49:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-23 01:49:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-23 01:49:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-23 01:49:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2022-11-23 01:49:21,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:49:21,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471463427] [2022-11-23 01:49:21,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471463427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:49:21,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:49:21,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:49:21,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249020563] [2022-11-23 01:49:21,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:49:21,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:49:21,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:49:21,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:49:21,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:49:21,660 INFO L87 Difference]: Start difference. First operand 12139 states and 17280 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-23 01:49:23,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:49:25,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:50:00,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:50:01,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:50:01,684 INFO L93 Difference]: Finished difference Result 35429 states and 50942 transitions. [2022-11-23 01:50:01,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:50:01,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 210 [2022-11-23 01:50:01,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:50:01,809 INFO L225 Difference]: With dead ends: 35429 [2022-11-23 01:50:01,810 INFO L226 Difference]: Without dead ends: 24709 [2022-11-23 01:50:01,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:50:01,861 INFO L413 NwaCegarLoop]: 5498 mSDtfsCounter, 7113 mSDsluCounter, 5637 mSDsCounter, 0 mSdLazyCounter, 6303 mSolverCounterSat, 3271 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8201 SdHoareTripleChecker+Valid, 11135 SdHoareTripleChecker+Invalid, 9576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3271 IncrementalHoareTripleChecker+Valid, 6303 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2022-11-23 01:50:01,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8201 Valid, 11135 Invalid, 9576 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3271 Valid, 6303 Invalid, 2 Unknown, 0 Unchecked, 38.9s Time] [2022-11-23 01:50:01,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24709 states. [2022-11-23 01:50:03,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24709 to 22658. [2022-11-23 01:50:03,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22658 states, 15467 states have (on average 1.2982478825887374) internal successors, (20080), 15904 states have internal predecessors, (20080), 6078 states have call successors, (6078), 1085 states have call predecessors, (6078), 1110 states have return successors, (6153), 6013 states have call predecessors, (6153), 6075 states have call successors, (6153) [2022-11-23 01:50:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22658 states to 22658 states and 32311 transitions. [2022-11-23 01:50:03,337 INFO L78 Accepts]: Start accepts. Automaton has 22658 states and 32311 transitions. Word has length 210 [2022-11-23 01:50:03,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:50:03,341 INFO L495 AbstractCegarLoop]: Abstraction has 22658 states and 32311 transitions. [2022-11-23 01:50:03,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-23 01:50:03,342 INFO L276 IsEmpty]: Start isEmpty. Operand 22658 states and 32311 transitions. [2022-11-23 01:50:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-23 01:50:03,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:50:03,348 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:50:03,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 01:50:03,348 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting 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, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:50:03,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:03,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1880288501, now seen corresponding path program 1 times [2022-11-23 01:50:03,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:03,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927157477] [2022-11-23 01:50:03,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:03,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:50:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:50:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:50:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:50:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:50:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:50:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:50:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:50:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:50:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:50:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:50:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:50:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:50:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 01:50:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 01:50:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:50:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-23 01:50:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-23 01:50:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-23 01:50:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-23 01:50:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:05,955 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-11-23 01:50:05,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:50:05,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927157477] [2022-11-23 01:50:05,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927157477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:50:05,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:50:05,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:50:05,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015146389] [2022-11-23 01:50:05,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:50:05,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:50:05,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:50:05,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:50:05,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:50:05,960 INFO L87 Difference]: Start difference. First operand 22658 states and 32311 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 01:50:08,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:50:42,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:50:44,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:50:44,036 INFO L93 Difference]: Finished difference Result 24701 states and 35637 transitions. [2022-11-23 01:50:44,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 01:50:44,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 210 [2022-11-23 01:50:44,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:50:44,152 INFO L225 Difference]: With dead ends: 24701 [2022-11-23 01:50:44,152 INFO L226 Difference]: Without dead ends: 24699 [2022-11-23 01:50:44,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 01:50:44,172 INFO L413 NwaCegarLoop]: 3689 mSDtfsCounter, 5882 mSDsluCounter, 8051 mSDsCounter, 0 mSdLazyCounter, 7040 mSolverCounterSat, 2723 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6473 SdHoareTripleChecker+Valid, 11740 SdHoareTripleChecker+Invalid, 9764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2723 IncrementalHoareTripleChecker+Valid, 7040 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2022-11-23 01:50:44,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6473 Valid, 11740 Invalid, 9764 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2723 Valid, 7040 Invalid, 1 Unknown, 0 Unchecked, 36.4s Time] [2022-11-23 01:50:44,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24699 states. [2022-11-23 01:50:45,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24699 to 22662. [2022-11-23 01:50:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22662 states, 15470 states have (on average 1.2981900452488688) internal successors, (20083), 15907 states have internal predecessors, (20083), 6078 states have call successors, (6078), 1086 states have call predecessors, (6078), 1111 states have return successors, (6153), 6013 states have call predecessors, (6153), 6075 states have call successors, (6153) [2022-11-23 01:50:45,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22662 states to 22662 states and 32314 transitions. [2022-11-23 01:50:45,767 INFO L78 Accepts]: Start accepts. Automaton has 22662 states and 32314 transitions. Word has length 210 [2022-11-23 01:50:45,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:50:45,768 INFO L495 AbstractCegarLoop]: Abstraction has 22662 states and 32314 transitions. [2022-11-23 01:50:45,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 01:50:45,768 INFO L276 IsEmpty]: Start isEmpty. Operand 22662 states and 32314 transitions. [2022-11-23 01:50:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-23 01:50:45,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:50:45,774 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:50:45,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 01:50:45,774 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting 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, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:50:45,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:45,775 INFO L85 PathProgramCache]: Analyzing trace with hash -197546783, now seen corresponding path program 1 times [2022-11-23 01:50:45,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:45,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204497791] [2022-11-23 01:50:45,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:45,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:50:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:50:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:50:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:50:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:50:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:50:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:50:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:50:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:50:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:50:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:50:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:50:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:50:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 01:50:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 01:50:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:50:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-23 01:50:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:50:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-23 01:50:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-23 01:50:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-23 01:50:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-23 01:50:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-11-23 01:50:48,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:50:48,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204497791] [2022-11-23 01:50:48,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204497791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:50:48,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:50:48,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:50:48,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142489998] [2022-11-23 01:50:48,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:50:48,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:50:48,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:50:48,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:50:48,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:50:48,293 INFO L87 Difference]: Start difference. First operand 22662 states and 32314 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 01:50:50,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:51:24,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:51:25,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:51:27,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:27,368 INFO L93 Difference]: Finished difference Result 24705 states and 35640 transitions. [2022-11-23 01:51:27,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 01:51:27,368 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 215 [2022-11-23 01:51:27,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:27,492 INFO L225 Difference]: With dead ends: 24705 [2022-11-23 01:51:27,492 INFO L226 Difference]: Without dead ends: 24703 [2022-11-23 01:51:27,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 01:51:27,512 INFO L413 NwaCegarLoop]: 3665 mSDtfsCounter, 5893 mSDsluCounter, 8003 mSDsCounter, 0 mSdLazyCounter, 7043 mSolverCounterSat, 2732 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6484 SdHoareTripleChecker+Valid, 11668 SdHoareTripleChecker+Invalid, 9776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2732 IncrementalHoareTripleChecker+Valid, 7043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.4s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:27,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6484 Valid, 11668 Invalid, 9776 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2732 Valid, 7043 Invalid, 1 Unknown, 0 Unchecked, 37.4s Time] [2022-11-23 01:51:27,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24703 states. [2022-11-23 01:51:28,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24703 to 22666. [2022-11-23 01:51:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22666 states, 15473 states have (on average 1.2981322303367155) internal successors, (20086), 15910 states have internal predecessors, (20086), 6078 states have call successors, (6078), 1087 states have call predecessors, (6078), 1112 states have return successors, (6153), 6013 states have call predecessors, (6153), 6075 states have call successors, (6153) [2022-11-23 01:51:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22666 states to 22666 states and 32317 transitions. [2022-11-23 01:51:29,069 INFO L78 Accepts]: Start accepts. Automaton has 22666 states and 32317 transitions. Word has length 215 [2022-11-23 01:51:29,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:29,070 INFO L495 AbstractCegarLoop]: Abstraction has 22666 states and 32317 transitions. [2022-11-23 01:51:29,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 01:51:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 22666 states and 32317 transitions. [2022-11-23 01:51:29,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-23 01:51:29,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:29,076 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:29,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 01:51:29,077 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting 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, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:51:29,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:29,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1740171211, now seen corresponding path program 1 times [2022-11-23 01:51:29,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:29,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046448173] [2022-11-23 01:51:29,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:29,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:51:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:51:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:51:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:51:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:51:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:51:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:51:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:51:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:51:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:51:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:51:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:51:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:51:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 01:51:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 01:51:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:51:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-23 01:51:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-23 01:51:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-23 01:51:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-23 01:51:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-23 01:51:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-23 01:51:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2022-11-23 01:51:31,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:51:31,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046448173] [2022-11-23 01:51:31,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046448173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:31,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:31,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:51:31,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648310068] [2022-11-23 01:51:31,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:31,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:51:31,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:51:31,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:51:31,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:51:31,783 INFO L87 Difference]: Start difference. First operand 22666 states and 32317 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 01:51:33,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:52:09,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:52:11,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:52:11,772 INFO L93 Difference]: Finished difference Result 24709 states and 35643 transitions. [2022-11-23 01:52:11,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 01:52:11,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 220 [2022-11-23 01:52:11,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:52:11,884 INFO L225 Difference]: With dead ends: 24709 [2022-11-23 01:52:11,884 INFO L226 Difference]: Without dead ends: 24705 [2022-11-23 01:52:11,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 01:52:11,901 INFO L413 NwaCegarLoop]: 3692 mSDtfsCounter, 5873 mSDsluCounter, 8058 mSDsCounter, 0 mSdLazyCounter, 7043 mSolverCounterSat, 2719 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6463 SdHoareTripleChecker+Valid, 11750 SdHoareTripleChecker+Invalid, 9763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2719 IncrementalHoareTripleChecker+Valid, 7043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.2s IncrementalHoareTripleChecker+Time [2022-11-23 01:52:11,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6463 Valid, 11750 Invalid, 9763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2719 Valid, 7043 Invalid, 1 Unknown, 0 Unchecked, 38.2s Time] [2022-11-23 01:52:11,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24705 states. [2022-11-23 01:52:13,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24705 to 22668. [2022-11-23 01:52:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22668 states, 15475 states have (on average 1.2980290791599354) internal successors, (20087), 15911 states have internal predecessors, (20087), 6078 states have call successors, (6078), 1088 states have call predecessors, (6078), 1112 states have return successors, (6153), 6013 states have call predecessors, (6153), 6075 states have call successors, (6153) [2022-11-23 01:52:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22668 states to 22668 states and 32318 transitions. [2022-11-23 01:52:13,308 INFO L78 Accepts]: Start accepts. Automaton has 22668 states and 32318 transitions. Word has length 220 [2022-11-23 01:52:13,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:52:13,308 INFO L495 AbstractCegarLoop]: Abstraction has 22668 states and 32318 transitions. [2022-11-23 01:52:13,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 01:52:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 22668 states and 32318 transitions. [2022-11-23 01:52:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-23 01:52:13,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:52:13,316 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:52:13,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 01:52:13,316 INFO L420 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_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:52:13,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:52:13,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1705461471, now seen corresponding path program 1 times [2022-11-23 01:52:13,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:52:13,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176275122] [2022-11-23 01:52:13,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:52:13,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:52:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:52:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:52:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:52:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:52:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:52:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:52:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:52:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:52:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:52:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:52:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:52:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:52:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:52:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 01:52:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 01:52:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:52:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-23 01:52:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-23 01:52:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-23 01:52:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-23 01:52:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-23 01:52:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-23 01:52:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-23 01:52:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2022-11-23 01:52:15,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:52:15,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176275122] [2022-11-23 01:52:15,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176275122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:52:15,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:52:15,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:52:15,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292472847] [2022-11-23 01:52:15,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:52:15,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:52:15,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:52:15,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:52:15,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:52:15,931 INFO L87 Difference]: Start difference. First operand 22668 states and 32318 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 01:52:18,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:10,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:10,338 INFO L93 Difference]: Finished difference Result 30607 states and 43783 transitions. [2022-11-23 01:53:10,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:53:10,340 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 225 [2022-11-23 01:53:10,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:10,445 INFO L225 Difference]: With dead ends: 30607 [2022-11-23 01:53:10,446 INFO L226 Difference]: Without dead ends: 28956 [2022-11-23 01:53:10,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 01:53:10,463 INFO L413 NwaCegarLoop]: 4156 mSDtfsCounter, 6068 mSDsluCounter, 9741 mSDsCounter, 0 mSdLazyCounter, 10863 mSolverCounterSat, 2556 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6905 SdHoareTripleChecker+Valid, 13897 SdHoareTripleChecker+Invalid, 13420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2556 IncrementalHoareTripleChecker+Valid, 10863 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.2s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:10,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6905 Valid, 13897 Invalid, 13420 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2556 Valid, 10863 Invalid, 1 Unknown, 0 Unchecked, 52.2s Time] [2022-11-23 01:53:10,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28956 states. [2022-11-23 01:53:11,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28956 to 26344. [2022-11-23 01:53:12,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26344 states, 17784 states have (on average 1.2824448942869995) internal successors, (22807), 18253 states have internal predecessors, (22807), 7198 states have call successors, (7198), 1334 states have call predecessors, (7198), 1360 states have return successors, (7264), 7140 states have call predecessors, (7264), 7198 states have call successors, (7264) [2022-11-23 01:53:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26344 states to 26344 states and 37269 transitions. [2022-11-23 01:53:12,119 INFO L78 Accepts]: Start accepts. Automaton has 26344 states and 37269 transitions. Word has length 225 [2022-11-23 01:53:12,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:12,119 INFO L495 AbstractCegarLoop]: Abstraction has 26344 states and 37269 transitions. [2022-11-23 01:53:12,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 01:53:12,120 INFO L276 IsEmpty]: Start isEmpty. Operand 26344 states and 37269 transitions. [2022-11-23 01:53:12,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-23 01:53:12,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:12,128 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 12, 12, 12, 4, 4, 4, 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] [2022-11-23 01:53:12,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 01:53:12,129 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:53:12,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:12,129 INFO L85 PathProgramCache]: Analyzing trace with hash -469012044, now seen corresponding path program 1 times [2022-11-23 01:53:12,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:12,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748970414] [2022-11-23 01:53:12,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:12,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:53:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:53:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:53:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:53:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:53:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:53:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:53:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:53:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:53:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:53:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:53:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:53:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:53:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 01:53:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 01:53:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:53:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:53:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-23 01:53:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-23 01:53:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-23 01:53:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-23 01:53:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2022-11-23 01:53:13,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:13,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748970414] [2022-11-23 01:53:13,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748970414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:13,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:13,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:53:13,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566330379] [2022-11-23 01:53:13,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:13,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:53:13,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:13,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:53:13,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:53:13,330 INFO L87 Difference]: Start difference. First operand 26344 states and 37269 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-23 01:53:15,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:17,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:50,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:52,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:53,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:54,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:54,673 INFO L93 Difference]: Finished difference Result 61957 states and 88235 transitions. [2022-11-23 01:53:54,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:53:54,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 233 [2022-11-23 01:53:54,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:54,801 INFO L225 Difference]: With dead ends: 61957 [2022-11-23 01:53:54,802 INFO L226 Difference]: Without dead ends: 37032 [2022-11-23 01:53:54,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:53:54,876 INFO L413 NwaCegarLoop]: 5786 mSDtfsCounter, 4460 mSDsluCounter, 5912 mSDsCounter, 0 mSdLazyCounter, 6151 mSolverCounterSat, 1668 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5292 SdHoareTripleChecker+Valid, 11698 SdHoareTripleChecker+Invalid, 7821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1668 IncrementalHoareTripleChecker+Valid, 6151 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:54,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5292 Valid, 11698 Invalid, 7821 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1668 Valid, 6151 Invalid, 2 Unknown, 0 Unchecked, 39.0s Time] [2022-11-23 01:53:54,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37032 states. [2022-11-23 01:53:56,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37032 to 33616. [2022-11-23 01:53:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33616 states, 22876 states have (on average 1.288031124322434) internal successors, (29465), 23473 states have internal predecessors, (29465), 8956 states have call successors, (8956), 1756 states have call predecessors, (8956), 1782 states have return successors, (9022), 8880 states have call predecessors, (9022), 8956 states have call successors, (9022) [2022-11-23 01:53:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33616 states to 33616 states and 47443 transitions. [2022-11-23 01:53:56,936 INFO L78 Accepts]: Start accepts. Automaton has 33616 states and 47443 transitions. Word has length 233 [2022-11-23 01:53:56,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:56,936 INFO L495 AbstractCegarLoop]: Abstraction has 33616 states and 47443 transitions. [2022-11-23 01:53:56,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-23 01:53:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 33616 states and 47443 transitions. [2022-11-23 01:53:56,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-23 01:53:56,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:56,959 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 12, 12, 12, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:56,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 01:53:56,960 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:53:56,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:56,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1548102561, now seen corresponding path program 1 times [2022-11-23 01:53:56,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:56,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122915938] [2022-11-23 01:53:56,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:56,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:53:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:53:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:53:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:53:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:53:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:53:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:53:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:53:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:53:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:53:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:53:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:53:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:53:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 01:53:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 01:53:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:53:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:53:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-23 01:53:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-23 01:53:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-23 01:53:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-23 01:53:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 01:53:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-23 01:53:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-23 01:53:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 01:53:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-11-23 01:53:58,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:58,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122915938] [2022-11-23 01:53:58,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122915938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:58,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:58,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:53:58,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127626194] [2022-11-23 01:53:58,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:58,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:53:58,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:58,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:53:58,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:53:58,166 INFO L87 Difference]: Start difference. First operand 33616 states and 47443 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-23 01:54:00,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:54:02,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:54:38,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:38,021 INFO L93 Difference]: Finished difference Result 77274 states and 109831 transitions. [2022-11-23 01:54:38,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:54:38,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 307 [2022-11-23 01:54:38,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:38,159 INFO L225 Difference]: With dead ends: 77274 [2022-11-23 01:54:38,159 INFO L226 Difference]: Without dead ends: 43495 [2022-11-23 01:54:38,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:54:38,226 INFO L413 NwaCegarLoop]: 5781 mSDtfsCounter, 4477 mSDsluCounter, 5928 mSDsCounter, 0 mSdLazyCounter, 6142 mSolverCounterSat, 1661 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5310 SdHoareTripleChecker+Valid, 11709 SdHoareTripleChecker+Invalid, 7805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1661 IncrementalHoareTripleChecker+Valid, 6142 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:38,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5310 Valid, 11709 Invalid, 7805 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1661 Valid, 6142 Invalid, 2 Unknown, 0 Unchecked, 37.0s Time] [2022-11-23 01:54:38,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43495 states. [2022-11-23 01:54:40,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43495 to 39474. [2022-11-23 01:54:40,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39474 states, 26968 states have (on average 1.2904553544942154) internal successors, (34801), 27668 states have internal predecessors, (34801), 10386 states have call successors, (10386), 2092 states have call predecessors, (10386), 2118 states have return successors, (10452), 10294 states have call predecessors, (10452), 10386 states have call successors, (10452) [2022-11-23 01:54:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39474 states to 39474 states and 55639 transitions. [2022-11-23 01:54:40,327 INFO L78 Accepts]: Start accepts. Automaton has 39474 states and 55639 transitions. Word has length 307 [2022-11-23 01:54:40,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:40,328 INFO L495 AbstractCegarLoop]: Abstraction has 39474 states and 55639 transitions. [2022-11-23 01:54:40,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-23 01:54:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 39474 states and 55639 transitions. [2022-11-23 01:54:40,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-23 01:54:40,352 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:40,352 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 12, 12, 12, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:40,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 01:54:40,353 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:54:40,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:40,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1153735775, now seen corresponding path program 1 times [2022-11-23 01:54:40,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:54:40,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588601233] [2022-11-23 01:54:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:54:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:54:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:54:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:54:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:54:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:54:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:54:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:54:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:54:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:54:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:54:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:54:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:54:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:54:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 01:54:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 01:54:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:54:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:54:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-23 01:54:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-23 01:54:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-23 01:54:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-23 01:54:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 01:54:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-23 01:54:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-23 01:54:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-11-23 01:54:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:41,709 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-11-23 01:54:41,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:54:41,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588601233] [2022-11-23 01:54:41,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588601233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:41,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:41,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:54:41,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685321758] [2022-11-23 01:54:41,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:41,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:54:41,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:54:41,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:54:41,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:54:41,711 INFO L87 Difference]: Start difference. First operand 39474 states and 55639 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-23 01:54:43,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:54:46,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:55:26,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:55:26,343 INFO L93 Difference]: Finished difference Result 97290 states and 138076 transitions. [2022-11-23 01:55:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:55:26,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 307 [2022-11-23 01:55:26,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:55:26,647 INFO L225 Difference]: With dead ends: 97290 [2022-11-23 01:55:26,648 INFO L226 Difference]: Without dead ends: 59235 [2022-11-23 01:55:26,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:55:26,724 INFO L413 NwaCegarLoop]: 6307 mSDtfsCounter, 5792 mSDsluCounter, 5646 mSDsCounter, 0 mSdLazyCounter, 6731 mSolverCounterSat, 2330 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6814 SdHoareTripleChecker+Valid, 11953 SdHoareTripleChecker+Invalid, 9063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2330 IncrementalHoareTripleChecker+Valid, 6731 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:55:26,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6814 Valid, 11953 Invalid, 9063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2330 Valid, 6731 Invalid, 2 Unknown, 0 Unchecked, 41.0s Time] [2022-11-23 01:55:26,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59235 states. [2022-11-23 01:55:29,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59235 to 53500. [2022-11-23 01:55:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53500 states, 36360 states have (on average 1.2847909790979097) internal successors, (46715), 37288 states have internal predecessors, (46715), 14240 states have call successors, (14240), 2872 states have call predecessors, (14240), 2898 states have return successors, (14306), 14122 states have call predecessors, (14306), 14240 states have call successors, (14306) [2022-11-23 01:55:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53500 states to 53500 states and 75261 transitions. [2022-11-23 01:55:29,848 INFO L78 Accepts]: Start accepts. Automaton has 53500 states and 75261 transitions. Word has length 307 [2022-11-23 01:55:29,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:55:29,849 INFO L495 AbstractCegarLoop]: Abstraction has 53500 states and 75261 transitions. [2022-11-23 01:55:29,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-23 01:55:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 53500 states and 75261 transitions. [2022-11-23 01:55:29,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-11-23 01:55:29,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:55:29,902 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 12, 12, 12, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:55:29,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 01:55:29,903 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:55:29,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:55:29,903 INFO L85 PathProgramCache]: Analyzing trace with hash 630580578, now seen corresponding path program 1 times [2022-11-23 01:55:29,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:55:29,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419612996] [2022-11-23 01:55:29,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:55:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:55:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:55:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:55:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:55:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:55:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:55:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:55:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:55:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:55:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:55:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:55:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:55:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:55:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:55:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 01:55:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 01:55:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:55:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:55:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-23 01:55:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-23 01:55:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-23 01:55:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-23 01:55:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 01:55:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-23 01:55:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-23 01:55:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-23 01:55:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-23 01:55:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-23 01:55:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-23 01:55:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-23 01:55:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1189 trivial. 0 not checked. [2022-11-23 01:55:31,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:55:31,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419612996] [2022-11-23 01:55:31,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419612996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:55:31,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:55:31,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:55:31,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607970897] [2022-11-23 01:55:31,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:55:31,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:55:31,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:55:31,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:55:31,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:55:31,527 INFO L87 Difference]: Start difference. First operand 53500 states and 75261 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:55:33,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:55:35,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:12,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:14,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:15,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:56:15,348 INFO L93 Difference]: Finished difference Result 119362 states and 169130 transitions. [2022-11-23 01:56:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:56:15,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 363 [2022-11-23 01:56:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:56:15,579 INFO L225 Difference]: With dead ends: 119362 [2022-11-23 01:56:15,579 INFO L226 Difference]: Without dead ends: 67281 [2022-11-23 01:56:15,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:56:15,684 INFO L413 NwaCegarLoop]: 5370 mSDtfsCounter, 4520 mSDsluCounter, 5622 mSDsCounter, 0 mSdLazyCounter, 6080 mSolverCounterSat, 1782 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5355 SdHoareTripleChecker+Valid, 10992 SdHoareTripleChecker+Invalid, 7864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1782 IncrementalHoareTripleChecker+Valid, 6080 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2022-11-23 01:56:15,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5355 Valid, 10992 Invalid, 7864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1782 Valid, 6080 Invalid, 2 Unknown, 0 Unchecked, 39.7s Time] [2022-11-23 01:56:15,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67281 states. [2022-11-23 01:56:19,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67281 to 60748. [2022-11-23 01:56:19,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60748 states, 41436 states have (on average 1.287696688869582) internal successors, (53357), 42492 states have internal predecessors, (53357), 15992 states have call successors, (15992), 3292 states have call predecessors, (15992), 3318 states have return successors, (16058), 15856 states have call predecessors, (16058), 15992 states have call successors, (16058) [2022-11-23 01:56:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60748 states to 60748 states and 85407 transitions. [2022-11-23 01:56:19,566 INFO L78 Accepts]: Start accepts. Automaton has 60748 states and 85407 transitions. Word has length 363 [2022-11-23 01:56:19,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:56:19,567 INFO L495 AbstractCegarLoop]: Abstraction has 60748 states and 85407 transitions. [2022-11-23 01:56:19,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:56:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 60748 states and 85407 transitions. [2022-11-23 01:56:19,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-11-23 01:56:19,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:56:19,603 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 12, 12, 12, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:56:19,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 01:56:19,603 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:56:19,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:56:19,604 INFO L85 PathProgramCache]: Analyzing trace with hash 236213792, now seen corresponding path program 1 times [2022-11-23 01:56:19,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:56:19,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733536334] [2022-11-23 01:56:19,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:56:19,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:56:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:56:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:56:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:56:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:56:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:56:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:56:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:56:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:56:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:56:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:56:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:56:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:56:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:56:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 01:56:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 01:56:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:56:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:56:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-23 01:56:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-23 01:56:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-23 01:56:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-23 01:56:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 01:56:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-23 01:56:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-23 01:56:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-23 01:56:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-23 01:56:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-23 01:56:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-23 01:56:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-23 01:56:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:20,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1189 trivial. 0 not checked. [2022-11-23 01:56:20,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:56:20,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733536334] [2022-11-23 01:56:20,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733536334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:56:20,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:56:20,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:56:20,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841410474] [2022-11-23 01:56:20,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:56:20,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:56:20,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:56:20,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:56:20,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:56:20,913 INFO L87 Difference]: Start difference. First operand 60748 states and 85407 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:56:23,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:25,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:57:07,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:57:07,482 INFO L93 Difference]: Finished difference Result 134704 states and 190776 transitions. [2022-11-23 01:57:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:57:07,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 363 [2022-11-23 01:57:07,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:57:07,814 INFO L225 Difference]: With dead ends: 134704 [2022-11-23 01:57:07,814 INFO L226 Difference]: Without dead ends: 75375 [2022-11-23 01:57:08,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:57:08,129 INFO L413 NwaCegarLoop]: 5809 mSDtfsCounter, 4481 mSDsluCounter, 5937 mSDsCounter, 0 mSdLazyCounter, 6150 mSolverCounterSat, 1668 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5316 SdHoareTripleChecker+Valid, 11746 SdHoareTripleChecker+Invalid, 7820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1668 IncrementalHoareTripleChecker+Valid, 6150 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2022-11-23 01:57:08,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5316 Valid, 11746 Invalid, 7820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1668 Valid, 6150 Invalid, 2 Unknown, 0 Unchecked, 41.7s Time] [2022-11-23 01:57:08,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75375 states. [2022-11-23 01:57:11,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75375 to 68044. [2022-11-23 01:57:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68044 states, 46552 states have (on average 1.2898908747207425) internal successors, (60047), 47736 states have internal predecessors, (60047), 17748 states have call successors, (17748), 3716 states have call predecessors, (17748), 3742 states have return successors, (17814), 17594 states have call predecessors, (17814), 17748 states have call successors, (17814) [2022-11-23 01:57:11,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68044 states to 68044 states and 95609 transitions. [2022-11-23 01:57:11,811 INFO L78 Accepts]: Start accepts. Automaton has 68044 states and 95609 transitions. Word has length 363 [2022-11-23 01:57:11,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:57:11,812 INFO L495 AbstractCegarLoop]: Abstraction has 68044 states and 95609 transitions. [2022-11-23 01:57:11,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:57:11,813 INFO L276 IsEmpty]: Start isEmpty. Operand 68044 states and 95609 transitions. [2022-11-23 01:57:11,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-11-23 01:57:11,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:57:11,854 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 12, 12, 12, 12, 12, 12, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:57:11,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 01:57:11,854 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 01:57:11,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:11,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1613610905, now seen corresponding path program 1 times [2022-11-23 01:57:11,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:11,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379374786] [2022-11-23 01:57:11,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:11,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:57:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 01:57:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 01:57:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 01:57:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:57:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 01:57:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:57:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 01:57:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 01:57:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 01:57:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:57:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-23 01:57:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-23 01:57:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 01:57:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-23 01:57:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 01:57:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:57:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-23 01:57:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-23 01:57:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-23 01:57:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-23 01:57:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-23 01:57:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-23 01:57:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-23 01:57:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-23 01:57:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-23 01:57:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-23 01:57:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-23 01:57:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-23 01:57:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-11-23 01:57:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-23 01:57:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-11-23 01:57:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1396 trivial. 0 not checked. [2022-11-23 01:57:14,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:14,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379374786] [2022-11-23 01:57:14,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379374786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:14,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:57:14,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:57:14,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183011965] [2022-11-23 01:57:14,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:14,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:57:14,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:14,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:57:14,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:57:14,055 INFO L87 Difference]: Start difference. First operand 68044 states and 95609 transitions. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-23 01:57:16,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:57:18,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []