./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:22:02,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:22:02,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:22:02,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:22:02,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:22:02,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:22:02,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:22:02,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:22:02,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:22:02,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:22:02,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:22:02,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:22:02,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:22:02,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:22:02,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:22:02,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:22:02,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:22:02,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:22:02,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:22:02,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:22:02,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:22:02,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:22:02,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:22:02,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:22:02,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:22:02,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:22:02,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:22:02,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:22:02,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:22:02,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:22:02,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:22:02,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:22:02,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:22:02,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:22:02,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:22:02,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:22:02,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:22:02,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:22:02,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:22:02,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:22:02,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:22:02,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:22:02,523 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:22:02,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:22:02,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:22:02,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:22:02,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:22:02,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:22:02,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:22:02,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:22:02,525 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:22:02,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:22:02,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:22:02,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:22:02,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:22:02,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:22:02,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:22:02,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:22:02,526 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:22:02,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:22:02,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:22:02,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:22:02,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:22:02,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:22:02,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:22:02,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:22:02,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:22:02,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:22:02,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:22:02,527 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:22:02,527 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:22:02,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:22:02,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:22:02,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 [2021-12-07 00:22:02,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:22:02,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:22:02,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:22:02,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:22:02,738 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:22:02,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-12-07 00:22:02,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/data/9840732a1/41dda201c21d44529e9895d276e3ac14/FLAGf3b3e4962 [2021-12-07 00:22:03,430 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:22:03,430 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-12-07 00:22:03,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/data/9840732a1/41dda201c21d44529e9895d276e3ac14/FLAGf3b3e4962 [2021-12-07 00:22:03,839 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/data/9840732a1/41dda201c21d44529e9895d276e3ac14 [2021-12-07 00:22:03,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:22:03,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:22:03,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:22:03,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:22:03,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:22:03,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:22:03" (1/1) ... [2021-12-07 00:22:03,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3101f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:03, skipping insertion in model container [2021-12-07 00:22:03,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:22:03" (1/1) ... [2021-12-07 00:22:03,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:22:04,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:22:06,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2021-12-07 00:22:06,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2021-12-07 00:22:06,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2021-12-07 00:22:06,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2021-12-07 00:22:06,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:22:06,424 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:22:07,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2021-12-07 00:22:07,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2021-12-07 00:22:07,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2021-12-07 00:22:07,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2021-12-07 00:22:07,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:22:07,265 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:22:07,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07 WrapperNode [2021-12-07 00:22:07,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:22:07,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:22:07,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:22:07,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:22:07,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07" (1/1) ... [2021-12-07 00:22:07,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07" (1/1) ... [2021-12-07 00:22:07,454 INFO L137 Inliner]: procedures = 495, calls = 2611, calls flagged for inlining = 242, calls inlined = 227, statements flattened = 5038 [2021-12-07 00:22:07,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:22:07,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:22:07,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:22:07,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:22:07,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07" (1/1) ... [2021-12-07 00:22:07,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07" (1/1) ... [2021-12-07 00:22:07,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07" (1/1) ... [2021-12-07 00:22:07,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07" (1/1) ... [2021-12-07 00:22:07,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07" (1/1) ... [2021-12-07 00:22:07,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07" (1/1) ... [2021-12-07 00:22:07,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07" (1/1) ... [2021-12-07 00:22:07,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:22:07,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:22:07,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:22:07,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:22:07,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07" (1/1) ... [2021-12-07 00:22:07,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:22:07,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:22:07,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:22:07,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89dea318-8497-459e-b6cc-f6c0c4f0065c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:22:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2021-12-07 00:22:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2021-12-07 00:22:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-07 00:22:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-07 00:22:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2021-12-07 00:22:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2021-12-07 00:22:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 00:22:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 00:22:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2021-12-07 00:22:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2021-12-07 00:22:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2021-12-07 00:22:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2021-12-07 00:22:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-07 00:22:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-07 00:22:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 00:22:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 00:22:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2021-12-07 00:22:07,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2021-12-07 00:22:07,710 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2021-12-07 00:22:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2021-12-07 00:22:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-07 00:22:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-07 00:22:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2021-12-07 00:22:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2021-12-07 00:22:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2021-12-07 00:22:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2021-12-07 00:22:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_64 [2021-12-07 00:22:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_64 [2021-12-07 00:22:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2021-12-07 00:22:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2021-12-07 00:22:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-07 00:22:07,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-07 00:22:07,711 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2021-12-07 00:22:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2021-12-07 00:22:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2021-12-07 00:22:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2021-12-07 00:22:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2021-12-07 00:22:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2021-12-07 00:22:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2021-12-07 00:22:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2021-12-07 00:22:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2021-12-07 00:22:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2021-12-07 00:22:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-07 00:22:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-07 00:22:07,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 00:22:07,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 00:22:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2021-12-07 00:22:07,713 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2021-12-07 00:22:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2021-12-07 00:22:07,713 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2021-12-07 00:22:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:22:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-07 00:22:07,713 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-07 00:22:07,713 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 00:22:07,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 00:22:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 00:22:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-07 00:22:07,714 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-07 00:22:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2021-12-07 00:22:07,714 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2021-12-07 00:22:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2021-12-07 00:22:07,714 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2021-12-07 00:22:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 00:22:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-07 00:22:07,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-07 00:22:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2021-12-07 00:22:07,715 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2021-12-07 00:22:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:22:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-07 00:22:07,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-07 00:22:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-07 00:22:07,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-07 00:22:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2021-12-07 00:22:07,715 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2021-12-07 00:22:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-07 00:22:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-07 00:22:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-07 00:22:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-07 00:22:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2021-12-07 00:22:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2021-12-07 00:22:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2021-12-07 00:22:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2021-12-07 00:22:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 00:22:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 00:22:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-07 00:22:07,716 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-07 00:22:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2021-12-07 00:22:07,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2021-12-07 00:22:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2021-12-07 00:22:07,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2021-12-07 00:22:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-07 00:22:07,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-07 00:22:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-07 00:22:07,717 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-07 00:22:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2021-12-07 00:22:07,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2021-12-07 00:22:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:22:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-07 00:22:07,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-07 00:22:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-07 00:22:07,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-07 00:22:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:22:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-07 00:22:07,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-07 00:22:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 00:22:07,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 00:22:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2021-12-07 00:22:07,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2021-12-07 00:22:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:22:07,718 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2021-12-07 00:22:07,719 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2021-12-07 00:22:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:22:07,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:22:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-07 00:22:07,719 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-07 00:22:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 00:22:07,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 00:22:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2021-12-07 00:22:07,719 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2021-12-07 00:22:07,719 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-07 00:22:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-07 00:22:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2021-12-07 00:22:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2021-12-07 00:22:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-07 00:22:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-07 00:22:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-07 00:22:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-07 00:22:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2021-12-07 00:22:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2021-12-07 00:22:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2021-12-07 00:22:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2021-12-07 00:22:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2021-12-07 00:22:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2021-12-07 00:22:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2021-12-07 00:22:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2021-12-07 00:22:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-07 00:22:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-07 00:22:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:22:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:22:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2021-12-07 00:22:07,721 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2021-12-07 00:22:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 00:22:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 00:22:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 00:22:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 00:22:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2021-12-07 00:22:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2021-12-07 00:22:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-07 00:22:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-07 00:22:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-07 00:22:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-07 00:22:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2021-12-07 00:22:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2021-12-07 00:22:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2021-12-07 00:22:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2021-12-07 00:22:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2021-12-07 00:22:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2021-12-07 00:22:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 00:22:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 00:22:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2021-12-07 00:22:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2021-12-07 00:22:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2021-12-07 00:22:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2021-12-07 00:22:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-07 00:22:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-07 00:22:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2021-12-07 00:22:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2021-12-07 00:22:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2021-12-07 00:22:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2021-12-07 00:22:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2021-12-07 00:22:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2021-12-07 00:22:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-07 00:22:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-07 00:22:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:22:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2021-12-07 00:22:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2021-12-07 00:22:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2021-12-07 00:22:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2021-12-07 00:22:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:22:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-07 00:22:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-07 00:22:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2021-12-07 00:22:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2021-12-07 00:22:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:22:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-07 00:22:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-07 00:22:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2021-12-07 00:22:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2021-12-07 00:22:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2021-12-07 00:22:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2021-12-07 00:22:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 00:22:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 00:22:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2021-12-07 00:22:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2021-12-07 00:22:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2021-12-07 00:22:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2021-12-07 00:22:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-07 00:22:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-07 00:22:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-07 00:22:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-07 00:22:07,725 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2021-12-07 00:22:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2021-12-07 00:22:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2021-12-07 00:22:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2021-12-07 00:22:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-07 00:22:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-07 00:22:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-07 00:22:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-07 00:22:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 00:22:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 00:22:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2021-12-07 00:22:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2021-12-07 00:22:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2021-12-07 00:22:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2021-12-07 00:22:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 00:22:07,726 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 00:22:07,726 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2021-12-07 00:22:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2021-12-07 00:22:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:22:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-07 00:22:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-07 00:22:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 00:22:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 00:22:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2021-12-07 00:22:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2021-12-07 00:22:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2021-12-07 00:22:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2021-12-07 00:22:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2021-12-07 00:22:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2021-12-07 00:22:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2021-12-07 00:22:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2021-12-07 00:22:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-07 00:22:07,727 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-07 00:22:07,727 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2021-12-07 00:22:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2021-12-07 00:22:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2021-12-07 00:22:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2021-12-07 00:22:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-07 00:22:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-07 00:22:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2021-12-07 00:22:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2021-12-07 00:22:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2021-12-07 00:22:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2021-12-07 00:22:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-07 00:22:07,728 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-07 00:22:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:22:07,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 00:22:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 00:22:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-07 00:22:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-07 00:22:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-07 00:22:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-07 00:22:07,729 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2021-12-07 00:22:07,729 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2021-12-07 00:22:08,246 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:22:08,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:22:08,575 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 00:22:09,614 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1247#1.base, #t~mem1247#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2021-12-07 00:22:09,614 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881: SUMMARY for call lmc_trace(#t~mem1247#1.base, #t~mem1247#1.offset, 129, 0); srcloc: null [2021-12-07 00:22:09,614 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881-1: havoc #t~mem1247#1.base, #t~mem1247#1.offset; [2021-12-07 00:22:11,960 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-07 00:22:12,025 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:22:12,042 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:22:12,043 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 00:22:12,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:22:12 BoogieIcfgContainer [2021-12-07 00:22:12,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:22:12,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:22:12,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:22:12,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:22:12,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:22:03" (1/3) ... [2021-12-07 00:22:12,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9850b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:22:12, skipping insertion in model container [2021-12-07 00:22:12,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:22:07" (2/3) ... [2021-12-07 00:22:12,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9850b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:22:12, skipping insertion in model container [2021-12-07 00:22:12,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:22:12" (3/3) ... [2021-12-07 00:22:12,052 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-12-07 00:22:12,056 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:22:12,056 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-07 00:22:12,103 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:22:12,108 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:22:12,108 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-07 00:22:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 2514 states, 1621 states have (on average 1.2874768661320173) internal successors, (2087), 1691 states have internal predecessors, (2087), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) [2021-12-07 00:22:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-07 00:22:12,204 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:22:12,205 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:22:12,205 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:22:12,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:22:12,210 INFO L85 PathProgramCache]: Analyzing trace with hash 548688897, now seen corresponding path program 1 times [2021-12-07 00:22:12,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:22:12,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066970898] [2021-12-07 00:22:12,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:22:12,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:22:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:22:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:22:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:22:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:22:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:22:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:22:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:22:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:22:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:22:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:22:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:22:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:22:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:22:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:22:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:22:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:22:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-07 00:22:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-07 00:22:12,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:22:12,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066970898] [2021-12-07 00:22:12,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066970898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:22:12,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:22:12,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:22:12,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504972683] [2021-12-07 00:22:12,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:22:12,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:22:12,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:22:13,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:22:13,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:22:13,025 INFO L87 Difference]: Start difference. First operand has 2514 states, 1621 states have (on average 1.2874768661320173) internal successors, (2087), 1691 states have internal predecessors, (2087), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-07 00:22:17,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:22:17,634 INFO L93 Difference]: Finished difference Result 7548 states and 11067 transitions. [2021-12-07 00:22:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:22:17,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 195 [2021-12-07 00:22:17,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:22:17,686 INFO L225 Difference]: With dead ends: 7548 [2021-12-07 00:22:17,686 INFO L226 Difference]: Without dead ends: 5058 [2021-12-07 00:22:17,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:22:17,710 INFO L933 BasicCegarLoop]: 3654 mSDtfsCounter, 4400 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 2842 mSolverCounterSat, 2639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5139 SdHoareTripleChecker+Valid, 7200 SdHoareTripleChecker+Invalid, 5481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2639 IncrementalHoareTripleChecker+Valid, 2842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:22:17,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5139 Valid, 7200 Invalid, 5481 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2639 Valid, 2842 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-07 00:22:17,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5058 states. [2021-12-07 00:22:18,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5058 to 4866. [2021-12-07 00:22:18,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4866 states, 3151 states have (on average 1.2865756902570613) internal successors, (4054), 3290 states have internal predecessors, (4054), 1480 states have call successors, (1480), 233 states have call predecessors, (1480), 232 states have return successors, (1476), 1390 states have call predecessors, (1476), 1476 states have call successors, (1476) [2021-12-07 00:22:18,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4866 states to 4866 states and 7010 transitions. [2021-12-07 00:22:18,061 INFO L78 Accepts]: Start accepts. Automaton has 4866 states and 7010 transitions. Word has length 195 [2021-12-07 00:22:18,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:22:18,063 INFO L470 AbstractCegarLoop]: Abstraction has 4866 states and 7010 transitions. [2021-12-07 00:22:18,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-07 00:22:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 4866 states and 7010 transitions. [2021-12-07 00:22:18,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-07 00:22:18,071 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:22:18,072 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:22:18,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:22:18,072 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:22:18,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:22:18,072 INFO L85 PathProgramCache]: Analyzing trace with hash -191221453, now seen corresponding path program 1 times [2021-12-07 00:22:18,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:22:18,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428634332] [2021-12-07 00:22:18,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:22:18,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:22:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:22:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:22:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:22:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:22:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:22:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:22:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:22:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:22:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:22:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:22:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:22:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:22:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:22:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:22:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:22:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:22:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:22:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-07 00:22:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-07 00:22:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-07 00:22:18,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:22:18,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428634332] [2021-12-07 00:22:18,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428634332] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:22:18,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:22:18,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:22:18,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602352555] [2021-12-07 00:22:18,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:22:18,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:22:18,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:22:18,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:22:18,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:22:18,464 INFO L87 Difference]: Start difference. First operand 4866 states and 7010 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-07 00:22:23,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:22:23,571 INFO L93 Difference]: Finished difference Result 14528 states and 21033 transitions. [2021-12-07 00:22:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:22:23,571 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 206 [2021-12-07 00:22:23,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:22:23,638 INFO L225 Difference]: With dead ends: 14528 [2021-12-07 00:22:23,638 INFO L226 Difference]: Without dead ends: 9697 [2021-12-07 00:22:23,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:22:23,662 INFO L933 BasicCegarLoop]: 3656 mSDtfsCounter, 4188 mSDsluCounter, 3607 mSDsCounter, 0 mSdLazyCounter, 2796 mSolverCounterSat, 2643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4891 SdHoareTripleChecker+Valid, 7263 SdHoareTripleChecker+Invalid, 5439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2643 IncrementalHoareTripleChecker+Valid, 2796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:22:23,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4891 Valid, 7263 Invalid, 5439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2643 Valid, 2796 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-07 00:22:23,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9697 states. [2021-12-07 00:22:24,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9697 to 9303. [2021-12-07 00:22:24,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9303 states, 6000 states have (on average 1.2845) internal successors, (7707), 6276 states have internal predecessors, (7707), 2843 states have call successors, (2843), 454 states have call predecessors, (2843), 457 states have return successors, (2879), 2660 states have call predecessors, (2879), 2839 states have call successors, (2879) [2021-12-07 00:22:24,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9303 states to 9303 states and 13429 transitions. [2021-12-07 00:22:24,095 INFO L78 Accepts]: Start accepts. Automaton has 9303 states and 13429 transitions. Word has length 206 [2021-12-07 00:22:24,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:22:24,096 INFO L470 AbstractCegarLoop]: Abstraction has 9303 states and 13429 transitions. [2021-12-07 00:22:24,096 INFO L471 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-07 00:22:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand 9303 states and 13429 transitions. [2021-12-07 00:22:24,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-12-07 00:22:24,102 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:22:24,102 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:22:24,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:22:24,102 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:22:24,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:22:24,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1067608892, now seen corresponding path program 1 times [2021-12-07 00:22:24,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:22:24,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259668292] [2021-12-07 00:22:24,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:22:24,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:22:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:22:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:22:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:22:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:22:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:22:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:22:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:22:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:22:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:22:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:22:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:22:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:22:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:22:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:22:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:22:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:22:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:22:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:22:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-07 00:22:24,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:22:24,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259668292] [2021-12-07 00:22:24,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259668292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:22:24,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:22:24,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:22:24,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647357538] [2021-12-07 00:22:24,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:22:24,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:22:24,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:22:24,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:22:24,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:22:24,468 INFO L87 Difference]: Start difference. First operand 9303 states and 13429 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-07 00:22:28,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:22:28,350 INFO L93 Difference]: Finished difference Result 27015 states and 39040 transitions. [2021-12-07 00:22:28,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:22:28,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 214 [2021-12-07 00:22:28,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:22:28,464 INFO L225 Difference]: With dead ends: 27015 [2021-12-07 00:22:28,464 INFO L226 Difference]: Without dead ends: 17747 [2021-12-07 00:22:28,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:22:28,516 INFO L933 BasicCegarLoop]: 3654 mSDtfsCounter, 3974 mSDsluCounter, 3597 mSDsCounter, 0 mSdLazyCounter, 2719 mSolverCounterSat, 2522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4578 SdHoareTripleChecker+Valid, 7251 SdHoareTripleChecker+Invalid, 5241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2522 IncrementalHoareTripleChecker+Valid, 2719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-07 00:22:28,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4578 Valid, 7251 Invalid, 5241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2522 Valid, 2719 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-07 00:22:28,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17747 states. [2021-12-07 00:22:29,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17747 to 17329. [2021-12-07 00:22:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17329 states, 11206 states have (on average 1.2795823665893271) internal successors, (14339), 11732 states have internal predecessors, (14339), 5195 states have call successors, (5195), 886 states have call predecessors, (5195), 925 states have return successors, (5451), 4850 states have call predecessors, (5451), 5191 states have call successors, (5451) [2021-12-07 00:22:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17329 states to 17329 states and 24985 transitions. [2021-12-07 00:22:29,202 INFO L78 Accepts]: Start accepts. Automaton has 17329 states and 24985 transitions. Word has length 214 [2021-12-07 00:22:29,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:22:29,203 INFO L470 AbstractCegarLoop]: Abstraction has 17329 states and 24985 transitions. [2021-12-07 00:22:29,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-07 00:22:29,204 INFO L276 IsEmpty]: Start isEmpty. Operand 17329 states and 24985 transitions. [2021-12-07 00:22:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-07 00:22:29,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:22:29,210 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:22:29,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:22:29,210 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:22:29,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:22:29,211 INFO L85 PathProgramCache]: Analyzing trace with hash -368191363, now seen corresponding path program 1 times [2021-12-07 00:22:29,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:22:29,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985670240] [2021-12-07 00:22:29,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:22:29,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:22:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:22:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:22:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:22:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:22:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:22:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:22:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:22:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:22:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:22:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:22:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:22:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:22:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:22:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:22:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:22:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:22:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:22:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:22:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-07 00:22:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-07 00:22:29,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:22:29,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985670240] [2021-12-07 00:22:29,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985670240] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:22:29,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:22:29,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:22:29,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918861674] [2021-12-07 00:22:29,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:22:29,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:22:29,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:22:29,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:22:29,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:22:29,556 INFO L87 Difference]: Start difference. First operand 17329 states and 24985 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-07 00:22:34,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:22:34,147 INFO L93 Difference]: Finished difference Result 51913 states and 74964 transitions. [2021-12-07 00:22:34,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:22:34,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 212 [2021-12-07 00:22:34,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:22:34,304 INFO L225 Difference]: With dead ends: 51913 [2021-12-07 00:22:34,304 INFO L226 Difference]: Without dead ends: 34619 [2021-12-07 00:22:34,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:22:34,373 INFO L933 BasicCegarLoop]: 3786 mSDtfsCounter, 4306 mSDsluCounter, 3640 mSDsCounter, 0 mSdLazyCounter, 2751 mSolverCounterSat, 2630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5024 SdHoareTripleChecker+Valid, 7426 SdHoareTripleChecker+Invalid, 5381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2630 IncrementalHoareTripleChecker+Valid, 2751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:22:34,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5024 Valid, 7426 Invalid, 5381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2630 Valid, 2751 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-07 00:22:34,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34619 states. [2021-12-07 00:22:35,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34619 to 33803. [2021-12-07 00:22:35,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33803 states, 21842 states have (on average 1.2804230381833166) internal successors, (27967), 22890 states have internal predecessors, (27967), 10135 states have call successors, (10135), 1754 states have call predecessors, (10135), 1823 states have return successors, (10641), 9430 states have call predecessors, (10641), 10131 states have call successors, (10641) [2021-12-07 00:22:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33803 states to 33803 states and 48743 transitions. [2021-12-07 00:22:35,641 INFO L78 Accepts]: Start accepts. Automaton has 33803 states and 48743 transitions. Word has length 212 [2021-12-07 00:22:35,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:22:35,642 INFO L470 AbstractCegarLoop]: Abstraction has 33803 states and 48743 transitions. [2021-12-07 00:22:35,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-07 00:22:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand 33803 states and 48743 transitions. [2021-12-07 00:22:35,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-07 00:22:35,648 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:22:35,649 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:22:35,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:22:35,649 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:22:35,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:22:35,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1034672557, now seen corresponding path program 1 times [2021-12-07 00:22:35,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:22:35,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976377788] [2021-12-07 00:22:35,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:22:35,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:22:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:22:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:22:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:22:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:22:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:22:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:22:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:22:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:22:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:35,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:22:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:22:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:22:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:22:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:22:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:22:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:22:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:22:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:22:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-07 00:22:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:36,142 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-07 00:22:36,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:22:36,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976377788] [2021-12-07 00:22:36,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976377788] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:22:36,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:22:36,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:22:36,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329128050] [2021-12-07 00:22:36,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:22:36,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:22:36,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:22:36,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:22:36,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:22:36,144 INFO L87 Difference]: Start difference. First operand 33803 states and 48743 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-07 00:22:46,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:22:46,027 INFO L93 Difference]: Finished difference Result 88985 states and 128405 transitions. [2021-12-07 00:22:46,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:22:46,028 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 212 [2021-12-07 00:22:46,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:22:46,361 INFO L225 Difference]: With dead ends: 88985 [2021-12-07 00:22:46,361 INFO L226 Difference]: Without dead ends: 55217 [2021-12-07 00:22:46,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:22:46,476 INFO L933 BasicCegarLoop]: 4827 mSDtfsCounter, 12828 mSDsluCounter, 5714 mSDsCounter, 0 mSdLazyCounter, 8304 mSolverCounterSat, 8236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14183 SdHoareTripleChecker+Valid, 10541 SdHoareTripleChecker+Invalid, 16540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8236 IncrementalHoareTripleChecker+Valid, 8304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:22:46,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14183 Valid, 10541 Invalid, 16540 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8236 Valid, 8304 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2021-12-07 00:22:46,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55217 states. [2021-12-07 00:22:48,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55217 to 53701. [2021-12-07 00:22:48,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53701 states, 34667 states have (on average 1.2824299766348402) internal successors, (44458), 36441 states have internal predecessors, (44458), 16056 states have call successors, (16056), 2872 states have call predecessors, (16056), 2975 states have return successors, (16640), 14805 states have call predecessors, (16640), 16052 states have call successors, (16640) [2021-12-07 00:22:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53701 states to 53701 states and 77154 transitions. [2021-12-07 00:22:48,498 INFO L78 Accepts]: Start accepts. Automaton has 53701 states and 77154 transitions. Word has length 212 [2021-12-07 00:22:48,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:22:48,499 INFO L470 AbstractCegarLoop]: Abstraction has 53701 states and 77154 transitions. [2021-12-07 00:22:48,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-07 00:22:48,499 INFO L276 IsEmpty]: Start isEmpty. Operand 53701 states and 77154 transitions. [2021-12-07 00:22:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-07 00:22:48,513 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:22:48,514 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 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] [2021-12-07 00:22:48,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:22:48,514 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:22:48,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:22:48,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1768603552, now seen corresponding path program 1 times [2021-12-07 00:22:48,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:22:48,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541060577] [2021-12-07 00:22:48,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:22:48,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:22:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:22:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:22:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:22:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:22:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:22:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:22:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:22:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:22:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:22:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:22:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:22:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:22:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:22:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:22:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:22:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:22:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-07 00:22:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-07 00:22:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-07 00:22:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-07 00:22:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-07 00:22:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:48,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1049 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2021-12-07 00:22:48,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:22:48,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541060577] [2021-12-07 00:22:48,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541060577] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:22:48,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:22:48,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:22:48,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442530841] [2021-12-07 00:22:48,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:22:48,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:22:48,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:22:48,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:22:48,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:22:48,892 INFO L87 Difference]: Start difference. First operand 53701 states and 77154 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-07 00:22:55,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:22:55,548 INFO L93 Difference]: Finished difference Result 151823 states and 218721 transitions. [2021-12-07 00:22:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:22:55,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 239 [2021-12-07 00:22:55,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:22:56,095 INFO L225 Difference]: With dead ends: 151823 [2021-12-07 00:22:56,095 INFO L226 Difference]: Without dead ends: 98157 [2021-12-07 00:22:56,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:22:56,298 INFO L933 BasicCegarLoop]: 3825 mSDtfsCounter, 4379 mSDsluCounter, 3678 mSDsCounter, 0 mSdLazyCounter, 2832 mSolverCounterSat, 2639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5124 SdHoareTripleChecker+Valid, 7503 SdHoareTripleChecker+Invalid, 5471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2639 IncrementalHoareTripleChecker+Valid, 2832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:22:56,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5124 Valid, 7503 Invalid, 5471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2639 Valid, 2832 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-07 00:22:56,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98157 states. [2021-12-07 00:22:59,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98157 to 95953. [2021-12-07 00:22:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95953 states, 61862 states have (on average 1.282176457275872) internal successors, (79318), 65039 states have internal predecessors, (79318), 28802 states have call successors, (28802), 5085 states have call predecessors, (28802), 5286 states have return successors, (29960), 26570 states have call predecessors, (29960), 28798 states have call successors, (29960) [2021-12-07 00:23:00,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95953 states to 95953 states and 138080 transitions. [2021-12-07 00:23:00,056 INFO L78 Accepts]: Start accepts. Automaton has 95953 states and 138080 transitions. Word has length 239 [2021-12-07 00:23:00,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:23:00,056 INFO L470 AbstractCegarLoop]: Abstraction has 95953 states and 138080 transitions. [2021-12-07 00:23:00,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-07 00:23:00,057 INFO L276 IsEmpty]: Start isEmpty. Operand 95953 states and 138080 transitions. [2021-12-07 00:23:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-07 00:23:00,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:23:00,075 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2021-12-07 00:23:00,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 00:23:00,075 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:23:00,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:23:00,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2752290, now seen corresponding path program 1 times [2021-12-07 00:23:00,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:23:00,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043505969] [2021-12-07 00:23:00,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:23:00,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:23:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:23:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:23:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:23:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:23:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:23:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:23:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:23:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:23:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:23:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:23:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:23:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:23:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:23:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:23:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:23:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:23:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:23:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:23:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:23:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:23:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:23:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:23:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 00:23:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-07 00:23:00,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:23:00,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043505969] [2021-12-07 00:23:00,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043505969] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:23:00,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:23:00,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:23:00,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214178186] [2021-12-07 00:23:00,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:23:00,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:23:00,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:23:00,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:23:00,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:23:00,397 INFO L87 Difference]: Start difference. First operand 95953 states and 138080 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-07 00:23:09,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:23:09,373 INFO L93 Difference]: Finished difference Result 286687 states and 413584 transitions. [2021-12-07 00:23:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:23:09,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 253 [2021-12-07 00:23:09,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:23:10,577 INFO L225 Difference]: With dead ends: 286687 [2021-12-07 00:23:10,578 INFO L226 Difference]: Without dead ends: 191767 [2021-12-07 00:23:10,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:23:10,951 INFO L933 BasicCegarLoop]: 5932 mSDtfsCounter, 3632 mSDsluCounter, 4561 mSDsCounter, 0 mSdLazyCounter, 2846 mSolverCounterSat, 2011 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4362 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 4857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2011 IncrementalHoareTripleChecker+Valid, 2846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-07 00:23:10,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4362 Valid, 10493 Invalid, 4857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2011 Valid, 2846 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-07 00:23:11,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191767 states. [2021-12-07 00:23:17,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191767 to 187503. [2021-12-07 00:23:17,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187503 states, 120818 states have (on average 1.2825075733748283) internal successors, (154950), 126913 states have internal predecessors, (154950), 56322 states have call successors, (56322), 9925 states have call predecessors, (56322), 10360 states have return successors, (58642), 52142 states have call predecessors, (58642), 56318 states have call successors, (58642) [2021-12-07 00:23:18,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187503 states to 187503 states and 269914 transitions. [2021-12-07 00:23:18,805 INFO L78 Accepts]: Start accepts. Automaton has 187503 states and 269914 transitions. Word has length 253 [2021-12-07 00:23:18,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:23:18,806 INFO L470 AbstractCegarLoop]: Abstraction has 187503 states and 269914 transitions. [2021-12-07 00:23:18,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-07 00:23:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 187503 states and 269914 transitions. [2021-12-07 00:23:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-07 00:23:18,817 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:23:18,817 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2021-12-07 00:23:18,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 00:23:18,817 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:23:18,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:23:18,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1920475744, now seen corresponding path program 1 times [2021-12-07 00:23:18,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:23:18,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450190786] [2021-12-07 00:23:18,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:23:18,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:23:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:23:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:18,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:23:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:18,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:23:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:23:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:23:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:23:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:23:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:23:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:23:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:23:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:23:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:23:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:23:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:23:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:23:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:23:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:23:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:23:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:23:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:23:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:23:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:23:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 00:23:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-12-07 00:23:19,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:23:19,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450190786] [2021-12-07 00:23:19,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450190786] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:23:19,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:23:19,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:23:19,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283408566] [2021-12-07 00:23:19,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:23:19,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:23:19,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:23:19,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:23:19,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:23:19,241 INFO L87 Difference]: Start difference. First operand 187503 states and 269914 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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) [2021-12-07 00:23:26,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:23:26,699 INFO L93 Difference]: Finished difference Result 191769 states and 276662 transitions. [2021-12-07 00:23:26,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:23:26,699 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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 253 [2021-12-07 00:23:26,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:23:27,622 INFO L225 Difference]: With dead ends: 191769 [2021-12-07 00:23:27,623 INFO L226 Difference]: Without dead ends: 191767 [2021-12-07 00:23:27,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:23:27,722 INFO L933 BasicCegarLoop]: 3253 mSDtfsCounter, 3505 mSDsluCounter, 5986 mSDsCounter, 0 mSdLazyCounter, 3288 mSolverCounterSat, 1911 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3874 SdHoareTripleChecker+Valid, 9239 SdHoareTripleChecker+Invalid, 5199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1911 IncrementalHoareTripleChecker+Valid, 3288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:23:27,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3874 Valid, 9239 Invalid, 5199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1911 Valid, 3288 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-07 00:23:27,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191767 states. [2021-12-07 00:23:34,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191767 to 187507. [2021-12-07 00:23:34,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187507 states, 120821 states have (on average 1.2825005586777134) internal successors, (154953), 126916 states have internal predecessors, (154953), 56322 states have call successors, (56322), 9926 states have call predecessors, (56322), 10361 states have return successors, (58642), 52142 states have call predecessors, (58642), 56318 states have call successors, (58642) [2021-12-07 00:23:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187507 states to 187507 states and 269917 transitions. [2021-12-07 00:23:35,598 INFO L78 Accepts]: Start accepts. Automaton has 187507 states and 269917 transitions. Word has length 253 [2021-12-07 00:23:35,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:23:35,599 INFO L470 AbstractCegarLoop]: Abstraction has 187507 states and 269917 transitions. [2021-12-07 00:23:35,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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) [2021-12-07 00:23:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 187507 states and 269917 transitions. [2021-12-07 00:23:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-12-07 00:23:35,610 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:23:35,610 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2021-12-07 00:23:35,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 00:23:35,610 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:23:35,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:23:35,611 INFO L85 PathProgramCache]: Analyzing trace with hash 541640423, now seen corresponding path program 1 times [2021-12-07 00:23:35,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:23:35,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164723354] [2021-12-07 00:23:35,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:23:35,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:23:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:23:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:23:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:23:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:23:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:23:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:23:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:23:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:23:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:23:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:23:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:23:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:23:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:23:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:23:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:23:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:23:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:23:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:36,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:23:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:36,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:23:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:36,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:23:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:36,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:23:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:36,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:23:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 00:23:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 00:23:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:36,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-12-07 00:23:36,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:23:36,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164723354] [2021-12-07 00:23:36,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164723354] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:23:36,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:23:36,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:23:36,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752365781] [2021-12-07 00:23:36,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:23:36,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:23:36,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:23:36,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:23:36,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:23:36,080 INFO L87 Difference]: Start difference. First operand 187507 states and 269917 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-07 00:23:44,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:23:44,264 INFO L93 Difference]: Finished difference Result 191773 states and 276665 transitions. [2021-12-07 00:23:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:23:44,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 258 [2021-12-07 00:23:44,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:23:45,281 INFO L225 Difference]: With dead ends: 191773 [2021-12-07 00:23:45,281 INFO L226 Difference]: Without dead ends: 191771 [2021-12-07 00:23:45,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:23:45,365 INFO L933 BasicCegarLoop]: 3248 mSDtfsCounter, 3502 mSDsluCounter, 5970 mSDsCounter, 0 mSdLazyCounter, 3282 mSolverCounterSat, 1918 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3871 SdHoareTripleChecker+Valid, 9218 SdHoareTripleChecker+Invalid, 5200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1918 IncrementalHoareTripleChecker+Valid, 3282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:23:45,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3871 Valid, 9218 Invalid, 5200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1918 Valid, 3282 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-07 00:23:45,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191771 states. [2021-12-07 00:23:51,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191771 to 187511. [2021-12-07 00:23:52,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187511 states, 120824 states have (on average 1.2824935443289414) internal successors, (154956), 126919 states have internal predecessors, (154956), 56322 states have call successors, (56322), 9927 states have call predecessors, (56322), 10362 states have return successors, (58642), 52142 states have call predecessors, (58642), 56318 states have call successors, (58642) [2021-12-07 00:23:53,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187511 states to 187511 states and 269920 transitions. [2021-12-07 00:23:53,258 INFO L78 Accepts]: Start accepts. Automaton has 187511 states and 269920 transitions. Word has length 258 [2021-12-07 00:23:53,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:23:53,259 INFO L470 AbstractCegarLoop]: Abstraction has 187511 states and 269920 transitions. [2021-12-07 00:23:53,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-07 00:23:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 187511 states and 269920 transitions. [2021-12-07 00:23:53,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-12-07 00:23:53,272 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:23:53,272 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 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] [2021-12-07 00:23:53,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 00:23:53,272 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:23:53,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:23:53,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1438250624, now seen corresponding path program 1 times [2021-12-07 00:23:53,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:23:53,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099147278] [2021-12-07 00:23:53,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:23:53,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:23:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:23:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:23:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:23:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:23:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:23:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:23:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:23:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:23:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:23:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:23:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:23:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:23:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:23:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:23:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:23:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:23:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:23:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:23:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:23:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:23:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:23:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:23:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 00:23:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 00:23:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 00:23:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2021-12-07 00:23:53,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:23:53,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099147278] [2021-12-07 00:23:53,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099147278] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:23:53,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:23:53,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:23:53,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014307012] [2021-12-07 00:23:53,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:23:53,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:23:53,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:23:53,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:23:53,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:23:53,742 INFO L87 Difference]: Start difference. First operand 187511 states and 269920 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-07 00:24:02,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:02,084 INFO L93 Difference]: Finished difference Result 191777 states and 276668 transitions. [2021-12-07 00:24:02,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:24:02,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 263 [2021-12-07 00:24:02,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:03,083 INFO L225 Difference]: With dead ends: 191777 [2021-12-07 00:24:03,083 INFO L226 Difference]: Without dead ends: 191775 [2021-12-07 00:24:03,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:24:03,166 INFO L933 BasicCegarLoop]: 3248 mSDtfsCounter, 3501 mSDsluCounter, 5969 mSDsCounter, 0 mSdLazyCounter, 3285 mSolverCounterSat, 1916 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3871 SdHoareTripleChecker+Valid, 9217 SdHoareTripleChecker+Invalid, 5201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1916 IncrementalHoareTripleChecker+Valid, 3285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:03,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3871 Valid, 9217 Invalid, 5201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1916 Valid, 3285 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-07 00:24:03,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191775 states. [2021-12-07 00:24:10,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191775 to 187515. [2021-12-07 00:24:10,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187515 states, 120827 states have (on average 1.2824865303284863) internal successors, (154959), 126922 states have internal predecessors, (154959), 56322 states have call successors, (56322), 9928 states have call predecessors, (56322), 10363 states have return successors, (58642), 52142 states have call predecessors, (58642), 56318 states have call successors, (58642) [2021-12-07 00:24:11,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187515 states to 187515 states and 269923 transitions. [2021-12-07 00:24:11,306 INFO L78 Accepts]: Start accepts. Automaton has 187515 states and 269923 transitions. Word has length 263 [2021-12-07 00:24:11,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:11,306 INFO L470 AbstractCegarLoop]: Abstraction has 187515 states and 269923 transitions. [2021-12-07 00:24:11,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-07 00:24:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 187515 states and 269923 transitions. [2021-12-07 00:24:11,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-07 00:24:11,322 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:11,322 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:11,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 00:24:11,323 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:24:11,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:11,323 INFO L85 PathProgramCache]: Analyzing trace with hash -94137363, now seen corresponding path program 1 times [2021-12-07 00:24:11,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:11,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63113292] [2021-12-07 00:24:11,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:11,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:24:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:24:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:24:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:24:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:24:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:24:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:24:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:24:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:24:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:24:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:24:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:24:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:24:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:24:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:24:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:24:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:24:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:24:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:24:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:24:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:24:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:24:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-07 00:24:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-07 00:24:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:24:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 00:24:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 00:24:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:24:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1195 trivial. 0 not checked. [2021-12-07 00:24:11,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:11,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63113292] [2021-12-07 00:24:11,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63113292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:11,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:11,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:24:11,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893099705] [2021-12-07 00:24:11,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:11,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:24:11,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:11,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:24:11,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:24:11,816 INFO L87 Difference]: Start difference. First operand 187515 states and 269923 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-07 00:24:29,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:24:29,635 INFO L93 Difference]: Finished difference Result 472020 states and 680769 transitions. [2021-12-07 00:24:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:24:29,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 278 [2021-12-07 00:24:29,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:24:31,252 INFO L225 Difference]: With dead ends: 472020 [2021-12-07 00:24:31,252 INFO L226 Difference]: Without dead ends: 285538 [2021-12-07 00:24:32,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:24:32,119 INFO L933 BasicCegarLoop]: 6195 mSDtfsCounter, 4394 mSDsluCounter, 6000 mSDsCounter, 0 mSdLazyCounter, 4310 mSolverCounterSat, 4111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4787 SdHoareTripleChecker+Valid, 12195 SdHoareTripleChecker+Invalid, 8421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4111 IncrementalHoareTripleChecker+Valid, 4310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:24:32,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4787 Valid, 12195 Invalid, 8421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4111 Valid, 4310 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-12-07 00:24:32,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285538 states. [2021-12-07 00:24:44,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285538 to 279113. [2021-12-07 00:24:44,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279113 states, 179831 states have (on average 1.2825319327590905) internal successors, (230639), 188844 states have internal predecessors, (230639), 83842 states have call successors, (83842), 14768 states have call predecessors, (83842), 15437 states have return successors, (87324), 77714 states have call predecessors, (87324), 83838 states have call successors, (87324) [2021-12-07 00:24:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279113 states to 279113 states and 401805 transitions. [2021-12-07 00:24:46,574 INFO L78 Accepts]: Start accepts. Automaton has 279113 states and 401805 transitions. Word has length 278 [2021-12-07 00:24:46,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:24:46,575 INFO L470 AbstractCegarLoop]: Abstraction has 279113 states and 401805 transitions. [2021-12-07 00:24:46,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-07 00:24:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 279113 states and 401805 transitions. [2021-12-07 00:24:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-07 00:24:46,590 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:24:46,590 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:24:46,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 00:24:46,591 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:24:46,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:24:46,591 INFO L85 PathProgramCache]: Analyzing trace with hash 400602695, now seen corresponding path program 1 times [2021-12-07 00:24:46,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:24:46,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184371653] [2021-12-07 00:24:46,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:24:46,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:24:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:24:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:24:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:24:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:24:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:24:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:24:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:24:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:24:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:24:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:24:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:24:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:24:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:24:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:24:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:24:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:24:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:24:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:24:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:24:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:24:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:46,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:24:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:47,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:24:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:47,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:24:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 00:24:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 00:24:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 00:24:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 00:24:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:24:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1191 trivial. 0 not checked. [2021-12-07 00:24:47,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:24:47,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184371653] [2021-12-07 00:24:47,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184371653] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:24:47,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:24:47,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:24:47,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171416977] [2021-12-07 00:24:47,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:24:47,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:24:47,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:24:47,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:24:47,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:24:47,032 INFO L87 Difference]: Start difference. First operand 279113 states and 401805 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 00:25:00,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:25:00,570 INFO L93 Difference]: Finished difference Result 285509 states and 411917 transitions. [2021-12-07 00:25:00,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:25:00,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 268 [2021-12-07 00:25:00,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:25:02,250 INFO L225 Difference]: With dead ends: 285509 [2021-12-07 00:25:02,250 INFO L226 Difference]: Without dead ends: 285507 [2021-12-07 00:25:02,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:25:02,423 INFO L933 BasicCegarLoop]: 3252 mSDtfsCounter, 3498 mSDsluCounter, 5978 mSDsCounter, 0 mSdLazyCounter, 3285 mSolverCounterSat, 1915 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3867 SdHoareTripleChecker+Valid, 9230 SdHoareTripleChecker+Invalid, 5200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1915 IncrementalHoareTripleChecker+Valid, 3285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:25:02,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3867 Valid, 9230 Invalid, 5200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1915 Valid, 3285 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-07 00:25:02,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285507 states. [2021-12-07 00:25:15,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285507 to 279117. [2021-12-07 00:25:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279117 states, 179834 states have (on average 1.2825272195469155) internal successors, (230642), 188847 states have internal predecessors, (230642), 83842 states have call successors, (83842), 14769 states have call predecessors, (83842), 15438 states have return successors, (87324), 77714 states have call predecessors, (87324), 83838 states have call successors, (87324) [2021-12-07 00:25:17,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279117 states to 279117 states and 401808 transitions. [2021-12-07 00:25:17,204 INFO L78 Accepts]: Start accepts. Automaton has 279117 states and 401808 transitions. Word has length 268 [2021-12-07 00:25:17,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:25:17,205 INFO L470 AbstractCegarLoop]: Abstraction has 279117 states and 401808 transitions. [2021-12-07 00:25:17,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 00:25:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 279117 states and 401808 transitions. [2021-12-07 00:25:17,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-07 00:25:17,224 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:25:17,224 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 5, 4, 4, 4, 4, 4, 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] [2021-12-07 00:25:17,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 00:25:17,225 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:25:17,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:25:17,225 INFO L85 PathProgramCache]: Analyzing trace with hash -20262240, now seen corresponding path program 1 times [2021-12-07 00:25:17,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:25:17,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477808166] [2021-12-07 00:25:17,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:25:17,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:25:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:25:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:25:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:25:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:25:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:25:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:25:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:25:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:25:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:25:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:25:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:25:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:25:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:25:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:25:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:25:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:25:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:25:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:25:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:25:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:25:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:25:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:25:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 00:25:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 00:25:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 00:25:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 00:25:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 00:25:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1211 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2021-12-07 00:25:17,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:25:17,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477808166] [2021-12-07 00:25:17,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477808166] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:25:17,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:25:17,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:25:17,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443457447] [2021-12-07 00:25:17,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:25:17,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:25:17,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:25:17,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:25:17,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:25:17,723 INFO L87 Difference]: Start difference. First operand 279117 states and 401808 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-07 00:25:31,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:25:31,752 INFO L93 Difference]: Finished difference Result 285513 states and 411920 transitions. [2021-12-07 00:25:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:25:31,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 273 [2021-12-07 00:25:31,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:25:33,314 INFO L225 Difference]: With dead ends: 285513 [2021-12-07 00:25:33,315 INFO L226 Difference]: Without dead ends: 285511 [2021-12-07 00:25:33,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:25:33,462 INFO L933 BasicCegarLoop]: 3253 mSDtfsCounter, 3498 mSDsluCounter, 5980 mSDsCounter, 0 mSdLazyCounter, 3285 mSolverCounterSat, 1912 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3867 SdHoareTripleChecker+Valid, 9233 SdHoareTripleChecker+Invalid, 5197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1912 IncrementalHoareTripleChecker+Valid, 3285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:25:33,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3867 Valid, 9233 Invalid, 5197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1912 Valid, 3285 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-07 00:25:33,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285511 states. [2021-12-07 00:25:46,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285511 to 279121. [2021-12-07 00:25:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279121 states, 179837 states have (on average 1.28252250649199) internal successors, (230645), 188850 states have internal predecessors, (230645), 83842 states have call successors, (83842), 14770 states have call predecessors, (83842), 15439 states have return successors, (87324), 77714 states have call predecessors, (87324), 83838 states have call successors, (87324) [2021-12-07 00:25:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279121 states to 279121 states and 401811 transitions. [2021-12-07 00:25:48,822 INFO L78 Accepts]: Start accepts. Automaton has 279121 states and 401811 transitions. Word has length 273 [2021-12-07 00:25:48,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:25:48,823 INFO L470 AbstractCegarLoop]: Abstraction has 279121 states and 401811 transitions. [2021-12-07 00:25:48,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-07 00:25:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 279121 states and 401811 transitions. [2021-12-07 00:25:48,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-07 00:25:48,838 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:25:48,838 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 6, 5, 5, 4, 4, 4, 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] [2021-12-07 00:25:48,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 00:25:48,838 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:25:48,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:25:48,839 INFO L85 PathProgramCache]: Analyzing trace with hash 969842087, now seen corresponding path program 1 times [2021-12-07 00:25:48,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:25:48,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477815810] [2021-12-07 00:25:48,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:25:48,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:25:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:48,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:25:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:48,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:25:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:48,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:25:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:48,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:25:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:48,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:25:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:25:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:25:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:25:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:25:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:25:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:25:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:25:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:25:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:25:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:25:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:25:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:25:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:25:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:25:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:25:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:25:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:25:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:25:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 00:25:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 00:25:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 00:25:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 00:25:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 00:25:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:25:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:25:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2021-12-07 00:25:49,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:25:49,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477815810] [2021-12-07 00:25:49,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477815810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:25:49,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:25:49,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:25:49,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594872212] [2021-12-07 00:25:49,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:25:49,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:25:49,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:25:49,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:25:49,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:25:49,182 INFO L87 Difference]: Start difference. First operand 279121 states and 401811 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-07 00:26:13,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:26:13,623 INFO L93 Difference]: Finished difference Result 459209 states and 662479 transitions. [2021-12-07 00:26:13,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:26:13,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 278 [2021-12-07 00:26:13,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:26:16,304 INFO L225 Difference]: With dead ends: 459209 [2021-12-07 00:26:16,304 INFO L226 Difference]: Without dead ends: 459207 [2021-12-07 00:26:16,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:26:16,565 INFO L933 BasicCegarLoop]: 3747 mSDtfsCounter, 3949 mSDsluCounter, 8178 mSDsCounter, 0 mSdLazyCounter, 5680 mSolverCounterSat, 2286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4536 SdHoareTripleChecker+Valid, 11925 SdHoareTripleChecker+Invalid, 7966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2286 IncrementalHoareTripleChecker+Valid, 5680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:26:16,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4536 Valid, 11925 Invalid, 7966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2286 Valid, 5680 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-07 00:26:16,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459207 states. [2021-12-07 00:26:38,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459207 to 447125. [2021-12-07 00:26:38,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447125 states, 280844 states have (on average 1.2749141872356184) internal successors, (358052), 297645 states have internal predecessors, (358052), 138550 states have call successors, (138550), 26807 states have call predecessors, (138550), 27728 states have return successors, (146742), 126398 states have call predecessors, (146742), 138546 states have call successors, (146742) [2021-12-07 00:26:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447125 states to 447125 states and 643344 transitions. [2021-12-07 00:26:42,205 INFO L78 Accepts]: Start accepts. Automaton has 447125 states and 643344 transitions. Word has length 278 [2021-12-07 00:26:42,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:26:42,205 INFO L470 AbstractCegarLoop]: Abstraction has 447125 states and 643344 transitions. [2021-12-07 00:26:42,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-07 00:26:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 447125 states and 643344 transitions. [2021-12-07 00:26:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-12-07 00:26:42,223 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:26:42,223 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 7, 6, 6, 4, 4, 4, 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] [2021-12-07 00:26:42,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-07 00:26:42,224 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:26:42,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:26:42,224 INFO L85 PathProgramCache]: Analyzing trace with hash -595544384, now seen corresponding path program 1 times [2021-12-07 00:26:42,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:26:42,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642507308] [2021-12-07 00:26:42,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:26:42,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:26:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:26:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:26:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:26:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:26:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:26:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:26:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:26:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:26:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:26:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:26:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:26:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:26:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:26:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:26:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:26:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:26:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:26:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:26:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:26:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:26:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:26:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:26:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:26:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 00:26:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 00:26:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 00:26:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 00:26:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 00:26:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:26:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-07 00:26:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:26:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2021-12-07 00:26:42,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:26:42,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642507308] [2021-12-07 00:26:42,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642507308] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:26:42,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:26:42,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:26:42,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312015585] [2021-12-07 00:26:42,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:26:42,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:26:42,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:26:42,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:26:42,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:26:42,572 INFO L87 Difference]: Start difference. First operand 447125 states and 643344 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-07 00:27:04,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:27:04,698 INFO L93 Difference]: Finished difference Result 458921 states and 662192 transitions. [2021-12-07 00:27:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:27:04,699 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 283 [2021-12-07 00:27:04,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:27:07,546 INFO L225 Difference]: With dead ends: 458921 [2021-12-07 00:27:07,547 INFO L226 Difference]: Without dead ends: 458919 [2021-12-07 00:27:07,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:27:07,801 INFO L933 BasicCegarLoop]: 3239 mSDtfsCounter, 3507 mSDsluCounter, 5953 mSDsCounter, 0 mSdLazyCounter, 3282 mSolverCounterSat, 1923 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3875 SdHoareTripleChecker+Valid, 9192 SdHoareTripleChecker+Invalid, 5205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1923 IncrementalHoareTripleChecker+Valid, 3282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:27:07,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3875 Valid, 9192 Invalid, 5205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1923 Valid, 3282 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-07 00:27:08,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458919 states. [2021-12-07 00:27:30,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458919 to 447129. [2021-12-07 00:27:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447129 states, 280847 states have (on average 1.2749112506097626) internal successors, (358055), 297648 states have internal predecessors, (358055), 138550 states have call successors, (138550), 26808 states have call predecessors, (138550), 27729 states have return successors, (146742), 126398 states have call predecessors, (146742), 138546 states have call successors, (146742) [2021-12-07 00:27:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447129 states to 447129 states and 643347 transitions. [2021-12-07 00:27:33,828 INFO L78 Accepts]: Start accepts. Automaton has 447129 states and 643347 transitions. Word has length 283 [2021-12-07 00:27:33,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:27:33,828 INFO L470 AbstractCegarLoop]: Abstraction has 447129 states and 643347 transitions. [2021-12-07 00:27:33,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-07 00:27:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 447129 states and 643347 transitions. [2021-12-07 00:27:33,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-12-07 00:27:33,849 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:27:33,849 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 8, 7, 7, 4, 4, 4, 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] [2021-12-07 00:27:33,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 00:27:33,849 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:27:33,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:27:33,850 INFO L85 PathProgramCache]: Analyzing trace with hash -318997241, now seen corresponding path program 1 times [2021-12-07 00:27:33,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:27:33,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223188937] [2021-12-07 00:27:33,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:27:33,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:27:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:27:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:33,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:27:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:33,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:27:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:33,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:33,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:27:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:33,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:27:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:27:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:27:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:27:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:27:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:27:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:27:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:27:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:27:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:27:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:27:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:27:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:27:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:27:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:27:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:27:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:27:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:27:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:27:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 00:27:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 00:27:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 00:27:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 00:27:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 00:27:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:27:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-07 00:27:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-07 00:27:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:27:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-12-07 00:27:34,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:27:34,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223188937] [2021-12-07 00:27:34,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223188937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:27:34,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:27:34,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:27:34,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100951679] [2021-12-07 00:27:34,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:27:34,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:27:34,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:27:34,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:27:34,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:27:34,185 INFO L87 Difference]: Start difference. First operand 447129 states and 643347 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-07 00:27:57,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:27:57,445 INFO L93 Difference]: Finished difference Result 458925 states and 662195 transitions. [2021-12-07 00:27:57,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:27:57,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 288 [2021-12-07 00:27:57,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:28:00,137 INFO L225 Difference]: With dead ends: 458925 [2021-12-07 00:28:00,137 INFO L226 Difference]: Without dead ends: 458923 [2021-12-07 00:28:00,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:28:00,406 INFO L933 BasicCegarLoop]: 3235 mSDtfsCounter, 3507 mSDsluCounter, 5941 mSDsCounter, 0 mSdLazyCounter, 3282 mSolverCounterSat, 1922 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3879 SdHoareTripleChecker+Valid, 9176 SdHoareTripleChecker+Invalid, 5204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1922 IncrementalHoareTripleChecker+Valid, 3282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-07 00:28:00,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3879 Valid, 9176 Invalid, 5204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1922 Valid, 3282 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-07 00:28:00,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458923 states. [2021-12-07 00:28:23,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458923 to 447133. [2021-12-07 00:28:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447133 states, 280850 states have (on average 1.2749083140466442) internal successors, (358058), 297651 states have internal predecessors, (358058), 138550 states have call successors, (138550), 26809 states have call predecessors, (138550), 27730 states have return successors, (146742), 126398 states have call predecessors, (146742), 138546 states have call successors, (146742) [2021-12-07 00:28:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447133 states to 447133 states and 643350 transitions. [2021-12-07 00:28:27,296 INFO L78 Accepts]: Start accepts. Automaton has 447133 states and 643350 transitions. Word has length 288 [2021-12-07 00:28:27,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:28:27,296 INFO L470 AbstractCegarLoop]: Abstraction has 447133 states and 643350 transitions. [2021-12-07 00:28:27,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-07 00:28:27,296 INFO L276 IsEmpty]: Start isEmpty. Operand 447133 states and 643350 transitions. [2021-12-07 00:28:27,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-07 00:28:27,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:28:27,320 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 9, 8, 8, 4, 4, 4, 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] [2021-12-07 00:28:27,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 00:28:27,320 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:28:27,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:28:27,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1244766944, now seen corresponding path program 1 times [2021-12-07 00:28:27,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:28:27,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36815262] [2021-12-07 00:28:27,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:28:27,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:28:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:28:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:28:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:28:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:28:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:28:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:28:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:28:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:28:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:28:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:28:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:28:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:28:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:28:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:28:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:28:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:28:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:28:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:28:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:28:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:28:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:28:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:28:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:28:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 00:28:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 00:28:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 00:28:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 00:28:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 00:28:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:28:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-07 00:28:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-07 00:28:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-07 00:28:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:28:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1291 trivial. 0 not checked. [2021-12-07 00:28:27,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:28:27,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36815262] [2021-12-07 00:28:27,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36815262] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:28:27,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:28:27,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:28:27,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084197329] [2021-12-07 00:28:27,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:28:27,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:28:27,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:28:27,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:28:27,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:28:27,834 INFO L87 Difference]: Start difference. First operand 447133 states and 643350 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-07 00:28:51,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:28:51,941 INFO L93 Difference]: Finished difference Result 458929 states and 662198 transitions. [2021-12-07 00:28:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:28:51,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 293 [2021-12-07 00:28:51,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:28:54,666 INFO L225 Difference]: With dead ends: 458929 [2021-12-07 00:28:54,667 INFO L226 Difference]: Without dead ends: 458927 [2021-12-07 00:28:54,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:28:54,935 INFO L933 BasicCegarLoop]: 3237 mSDtfsCounter, 3507 mSDsluCounter, 5947 mSDsCounter, 0 mSdLazyCounter, 3282 mSolverCounterSat, 1921 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3877 SdHoareTripleChecker+Valid, 9184 SdHoareTripleChecker+Invalid, 5203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1921 IncrementalHoareTripleChecker+Valid, 3282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-07 00:28:54,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3877 Valid, 9184 Invalid, 5203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1921 Valid, 3282 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-07 00:28:55,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458927 states. [2021-12-07 00:29:19,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458927 to 447137. [2021-12-07 00:29:19,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447137 states, 280853 states have (on average 1.2749053775462609) internal successors, (358061), 297654 states have internal predecessors, (358061), 138550 states have call successors, (138550), 26810 states have call predecessors, (138550), 27731 states have return successors, (146742), 126398 states have call predecessors, (146742), 138546 states have call successors, (146742) [2021-12-07 00:29:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447137 states to 447137 states and 643353 transitions. [2021-12-07 00:29:23,047 INFO L78 Accepts]: Start accepts. Automaton has 447137 states and 643353 transitions. Word has length 293 [2021-12-07 00:29:23,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:29:23,048 INFO L470 AbstractCegarLoop]: Abstraction has 447137 states and 643353 transitions. [2021-12-07 00:29:23,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-07 00:29:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 447137 states and 643353 transitions. [2021-12-07 00:29:23,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-07 00:29:23,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:29:23,210 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 10, 9, 9, 4, 4, 4, 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] [2021-12-07 00:29:23,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-07 00:29:23,210 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:29:23,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:23,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2077512807, now seen corresponding path program 1 times [2021-12-07 00:29:23,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:23,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209804902] [2021-12-07 00:29:23,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:23,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:29:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:29:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:29:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:29:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:29:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:29:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:29:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:29:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:29:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:29:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:29:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:29:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:29:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:29:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:29:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:29:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:29:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:29:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:29:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:29:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:29:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:29:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:29:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-07 00:29:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 00:29:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 00:29:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-07 00:29:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-07 00:29:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-07 00:29:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-07 00:29:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-07 00:29:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-07 00:29:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-07 00:29:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:23,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2021-12-07 00:29:23,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:23,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209804902] [2021-12-07 00:29:23,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209804902] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:23,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:23,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:29:23,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629892495] [2021-12-07 00:29:23,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:23,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:29:23,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:23,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:29:23,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:29:23,544 INFO L87 Difference]: Start difference. First operand 447137 states and 643353 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-07 00:29:48,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:48,822 INFO L93 Difference]: Finished difference Result 458933 states and 662201 transitions. [2021-12-07 00:29:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:29:48,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 298 [2021-12-07 00:29:48,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:29:51,691 INFO L225 Difference]: With dead ends: 458933 [2021-12-07 00:29:51,691 INFO L226 Difference]: Without dead ends: 458931 [2021-12-07 00:29:51,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:29:51,953 INFO L933 BasicCegarLoop]: 3240 mSDtfsCounter, 3507 mSDsluCounter, 5956 mSDsCounter, 0 mSdLazyCounter, 3282 mSolverCounterSat, 1920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3874 SdHoareTripleChecker+Valid, 9196 SdHoareTripleChecker+Invalid, 5202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1920 IncrementalHoareTripleChecker+Valid, 3282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:29:51,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3874 Valid, 9196 Invalid, 5202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1920 Valid, 3282 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-07 00:29:52,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458931 states. [2021-12-07 00:30:16,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458931 to 447141. [2021-12-07 00:30:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447141 states, 280856 states have (on average 1.2749024411086107) internal successors, (358064), 297657 states have internal predecessors, (358064), 138550 states have call successors, (138550), 26811 states have call predecessors, (138550), 27732 states have return successors, (146742), 126398 states have call predecessors, (146742), 138546 states have call successors, (146742) [2021-12-07 00:30:20,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447141 states to 447141 states and 643356 transitions. [2021-12-07 00:30:20,618 INFO L78 Accepts]: Start accepts. Automaton has 447141 states and 643356 transitions. Word has length 298 [2021-12-07 00:30:20,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:30:20,619 INFO L470 AbstractCegarLoop]: Abstraction has 447141 states and 643356 transitions. [2021-12-07 00:30:20,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-07 00:30:20,619 INFO L276 IsEmpty]: Start isEmpty. Operand 447141 states and 643356 transitions. [2021-12-07 00:30:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-07 00:30:20,647 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:30:20,647 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 11, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 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] [2021-12-07 00:30:20,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 00:30:20,647 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-07 00:30:20,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:20,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1742314010, now seen corresponding path program 1 times [2021-12-07 00:30:20,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:30:20,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182618840] [2021-12-07 00:30:20,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:20,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:30:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:30:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:30:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:30:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:30:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:30:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:30:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:30:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:30:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:30:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:30:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:30:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:30:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:30:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:30:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:30:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:30:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 00:30:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:30:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:30:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-07 00:30:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:30:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 00:30:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 00:30:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-07 00:30:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-07 00:30:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 00:30:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-07 00:30:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-07 00:30:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:30:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-07 00:30:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-07 00:30:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-07 00:30:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-07 00:30:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-07 00:30:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-07 00:30:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-07 00:30:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-07 00:30:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-07 00:30:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-07 00:30:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:20,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 1511 trivial. 0 not checked. [2021-12-07 00:30:20,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:30:20,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182618840] [2021-12-07 00:30:20,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182618840] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:30:20,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:30:20,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:30:20,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077415796] [2021-12-07 00:30:20,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:30:20,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:30:20,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:30:20,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:30:20,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:30:20,943 INFO L87 Difference]: Start difference. First operand 447141 states and 643356 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-07 00:31:02,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:02,822 INFO L93 Difference]: Finished difference Result 1056614 states and 1522906 transitions. [2021-12-07 00:31:02,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:31:02,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 338 [2021-12-07 00:31:02,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:06,808 INFO L225 Difference]: With dead ends: 1056614 [2021-12-07 00:31:06,808 INFO L226 Difference]: Without dead ends: 610506 [2021-12-07 00:31:09,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:31:09,069 INFO L933 BasicCegarLoop]: 6186 mSDtfsCounter, 4405 mSDsluCounter, 5980 mSDsCounter, 0 mSdLazyCounter, 4281 mSolverCounterSat, 4112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4800 SdHoareTripleChecker+Valid, 12166 SdHoareTripleChecker+Invalid, 8393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4112 IncrementalHoareTripleChecker+Valid, 4281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:09,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4800 Valid, 12166 Invalid, 8393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4112 Valid, 4281 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-12-07 00:31:09,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610506 states.