./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF --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 ded9a504a1f021ee39d24f2dc9453e9d2f58c18dc67195089c039613b2b61e04 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:02:58,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:02:58,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:02:58,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:02:58,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:02:58,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:02:58,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:02:58,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:02:58,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:02:58,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:02:58,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:02:58,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:02:58,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:02:58,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:02:58,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:02:58,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:02:58,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:02:58,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:02:58,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:02:58,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:02:58,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:02:58,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:02:58,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:02:58,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:02:58,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:02:58,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:02:58,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:02:58,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:02:58,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:02:58,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:02:58,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:02:58,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:02:58,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:02:58,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:02:58,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:02:58,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:02:58,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:02:58,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:02:58,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:02:58,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:02:58,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:02:58,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:02:58,540 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:02:58,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:02:58,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:02:58,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:02:58,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:02:58,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:02:58,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:02:58,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:02:58,544 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:02:58,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:02:58,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:02:58,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:02:58,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:02:58,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:02:58,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:02:58,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:02:58,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:02:58,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:02:58,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:02:58,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:02:58,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:02:58,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:02:58,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:02:58,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:02:58,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:02:58,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:02:58,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:02:58,549 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:02:58,549 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:02:58,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:02:58,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:02:58,551 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_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded9a504a1f021ee39d24f2dc9453e9d2f58c18dc67195089c039613b2b61e04 [2021-11-20 07:02:58,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:02:58,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:02:58,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:02:58,866 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:02:58,866 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:02:58,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-20 07:02:58,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/data/46ef95471/9e2e996fd81140f7b64fbef4246c2ee2/FLAG88f3432dc [2021-11-20 07:03:00,213 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:03:00,214 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-20 07:03:00,287 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/data/46ef95471/9e2e996fd81140f7b64fbef4246c2ee2/FLAG88f3432dc [2021-11-20 07:03:00,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/data/46ef95471/9e2e996fd81140f7b64fbef4246c2ee2 [2021-11-20 07:03:00,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:03:00,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:03:00,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:03:00,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:03:00,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:03:00,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:03:00" (1/1) ... [2021-11-20 07:03:00,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3521f83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:00, skipping insertion in model container [2021-11-20 07:03:00,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:03:00" (1/1) ... [2021-11-20 07:03:00,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:03:01,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:03:09,295 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_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694098,694111] [2021-11-20 07:03:09,298 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_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694267,694280] [2021-11-20 07:03:09,299 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_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694434,694447] [2021-11-20 07:03:09,299 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_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694602,694615] [2021-11-20 07:03:09,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:03:09,459 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:03:10,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694098,694111] [2021-11-20 07:03:10,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694267,694280] [2021-11-20 07:03:10,187 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_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694434,694447] [2021-11-20 07:03:10,187 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_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694602,694615] [2021-11-20 07:03:10,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:03:10,918 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:03:10,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10 WrapperNode [2021-11-20 07:03:10,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:03:10,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:03:10,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:03:10,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:03:10,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10" (1/1) ... [2021-11-20 07:03:11,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10" (1/1) ... [2021-11-20 07:03:11,949 INFO L137 Inliner]: procedures = 831, calls = 8638, calls flagged for inlining = 381, calls inlined = 326, statements flattened = 16683 [2021-11-20 07:03:11,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:03:11,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:03:11,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:03:11,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:03:11,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10" (1/1) ... [2021-11-20 07:03:11,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10" (1/1) ... [2021-11-20 07:03:12,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10" (1/1) ... [2021-11-20 07:03:12,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10" (1/1) ... [2021-11-20 07:03:12,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10" (1/1) ... [2021-11-20 07:03:12,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10" (1/1) ... [2021-11-20 07:03:12,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10" (1/1) ... [2021-11-20 07:03:12,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:03:12,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:03:12,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:03:12,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:03:12,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10" (1/1) ... [2021-11-20 07:03:12,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:03:12,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:03:12,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:03:13,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e73d7d37-ac16-45c2-88fa-f2c5a3acf2e0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:03:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-20 07:03:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-20 07:03:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-20 07:03:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-20 07:03:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-20 07:03:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-20 07:03:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-20 07:03:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-20 07:03:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-20 07:03:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-20 07:03:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-20 07:03:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-20 07:03:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_116 [2021-11-20 07:03:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_116 [2021-11-20 07:03:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 07:03:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 07:03:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-20 07:03:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-20 07:03:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 07:03:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 07:03:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 07:03:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 07:03:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-20 07:03:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-20 07:03:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-20 07:03:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-20 07:03:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-20 07:03:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-20 07:03:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-20 07:03:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-20 07:03:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-20 07:03:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-20 07:03:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:03:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 07:03:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 07:03:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 07:03:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 07:03:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-20 07:03:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-20 07:03:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-20 07:03:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-20 07:03:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-20 07:03:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-20 07:03:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 07:03:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 07:03:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 07:03:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 07:03:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-20 07:03:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-20 07:03:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-20 07:03:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-20 07:03:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-20 07:03:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-20 07:03:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-20 07:03:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-20 07:03:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 07:03:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 07:03:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-20 07:03:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-20 07:03:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 07:03:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 07:03:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-20 07:03:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-20 07:03:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:03:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-20 07:03:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-20 07:03:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-20 07:03:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-20 07:03:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-20 07:03:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-20 07:03:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-20 07:03:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-20 07:03:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-20 07:03:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-20 07:03:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 07:03:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 07:03:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-20 07:03:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-20 07:03:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-20 07:03:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-20 07:03:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-20 07:03:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-20 07:03:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-20 07:03:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-20 07:03:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-20 07:03:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-20 07:03:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 07:03:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 07:03:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-20 07:03:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-20 07:03:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-20 07:03:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-20 07:03:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-20 07:03:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-20 07:03:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-20 07:03:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-20 07:03:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-20 07:03:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-20 07:03:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-20 07:03:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-20 07:03:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:03:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-20 07:03:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-20 07:03:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 07:03:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 07:03:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:03:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-20 07:03:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-20 07:03:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 07:03:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 07:03:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 07:03:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 07:03:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:03:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-20 07:03:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-20 07:03:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 07:03:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-20 07:03:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-20 07:03:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-20 07:03:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-20 07:03:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-20 07:03:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-20 07:03:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 07:03:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 07:03:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 07:03:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 07:03:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-20 07:03:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-20 07:03:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-20 07:03:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-20 07:03:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 07:03:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 07:03:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 07:03:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 07:03:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-20 07:03:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-20 07:03:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-20 07:03:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-20 07:03:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-20 07:03:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-20 07:03:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 07:03:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 07:03:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-20 07:03:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-20 07:03:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-20 07:03:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-20 07:03:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-20 07:03:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-20 07:03:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:03:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:03:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 07:03:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 07:03:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:03:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 07:03:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 07:03:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-20 07:03:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-20 07:03:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-20 07:03:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-20 07:03:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 07:03:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 07:03:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 07:03:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 07:03:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 07:03:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 07:03:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 07:03:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-20 07:03:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-20 07:03:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-20 07:03:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-20 07:03:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 07:03:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 07:03:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:03:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:03:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-20 07:03:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-20 07:03:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-20 07:03:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-20 07:03:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-20 07:03:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-20 07:03:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-20 07:03:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-20 07:03:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-20 07:03:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-20 07:03:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-20 07:03:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-20 07:03:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:03:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-20 07:03:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-20 07:03:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-20 07:03:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-20 07:03:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:03:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-20 07:03:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-20 07:03:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-20 07:03:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-20 07:03:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-20 07:03:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-20 07:03:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 07:03:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 07:03:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-20 07:03:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-20 07:03:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 07:03:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 07:03:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-20 07:03:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-20 07:03:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-20 07:03:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-20 07:03:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-20 07:03:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-20 07:03:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 07:03:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 07:03:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-20 07:03:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-20 07:03:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 07:03:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 07:03:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2021-11-20 07:03:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2021-11-20 07:03:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 07:03:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 07:03:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-20 07:03:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-20 07:03:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 07:03:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 07:03:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-11-20 07:03:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-11-20 07:03:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-20 07:03:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-20 07:03:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2021-11-20 07:03:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2021-11-20 07:03:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:03:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-20 07:03:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-20 07:03:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:03:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:03:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-20 07:03:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-20 07:03:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-20 07:03:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-20 07:03:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-20 07:03:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-20 07:03:13,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_99 [2021-11-20 07:03:13,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_99 [2021-11-20 07:03:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-20 07:03:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-20 07:03:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-20 07:03:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-20 07:03:13,158 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-20 07:03:13,158 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-20 07:03:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-20 07:03:13,159 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-20 07:03:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-20 07:03:13,159 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-20 07:03:13,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 07:03:13,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 07:03:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-20 07:03:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-20 07:03:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 07:03:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 07:03:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-20 07:03:13,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-20 07:03:13,160 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-20 07:03:13,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-20 07:03:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-20 07:03:13,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-20 07:03:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-20 07:03:13,161 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-20 07:03:13,161 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-20 07:03:13,162 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-20 07:03:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-20 07:03:13,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-20 07:03:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-20 07:03:13,162 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-20 07:03:13,162 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-20 07:03:13,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-20 07:03:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 07:03:13,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 07:03:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 07:03:13,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 07:03:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-20 07:03:13,163 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-20 07:03:13,163 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 07:03:13,164 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 07:03:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:03:13,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:03:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-20 07:03:13,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-20 07:03:13,164 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-20 07:03:13,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-20 07:03:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-20 07:03:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-20 07:03:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-20 07:03:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-20 07:03:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2021-11-20 07:03:13,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2021-11-20 07:03:13,165 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-20 07:03:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-20 07:03:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-20 07:03:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-20 07:03:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-20 07:03:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-20 07:03:13,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-20 07:03:13,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-20 07:03:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-20 07:03:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-20 07:03:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-20 07:03:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-20 07:03:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 07:03:13,167 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 07:03:13,167 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-20 07:03:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-20 07:03:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-20 07:03:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-20 07:03:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 07:03:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 07:03:13,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 07:03:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 07:03:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 07:03:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 07:03:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 07:03:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 07:03:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-20 07:03:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-20 07:03:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-20 07:03:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-20 07:03:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:03:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-20 07:03:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-20 07:03:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-20 07:03:13,170 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-20 07:03:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-20 07:03:13,171 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-20 07:03:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-20 07:03:13,171 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-20 07:03:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 07:03:13,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 07:03:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 07:03:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-20 07:03:13,172 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-20 07:03:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-20 07:03:13,172 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-20 07:03:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 07:03:13,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 07:03:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:03:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-20 07:03:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-20 07:03:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-20 07:03:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-20 07:03:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-20 07:03:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-20 07:03:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 07:03:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 07:03:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-11-20 07:03:13,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-11-20 07:03:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 07:03:13,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 07:03:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-20 07:03:13,174 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-20 07:03:13,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2021-11-20 07:03:13,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2021-11-20 07:03:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 07:03:13,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 07:03:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-20 07:03:13,175 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-20 07:03:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 07:03:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 07:03:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-20 07:03:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-20 07:03:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2021-11-20 07:03:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2021-11-20 07:03:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-20 07:03:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-20 07:03:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-20 07:03:13,177 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-20 07:03:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-20 07:03:13,177 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-20 07:03:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-20 07:03:13,177 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-20 07:03:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-20 07:03:13,178 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-20 07:03:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2021-11-20 07:03:13,178 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2021-11-20 07:03:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-20 07:03:13,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-20 07:03:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-20 07:03:13,179 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-20 07:03:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-20 07:03:13,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-20 07:03:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-20 07:03:13,179 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-20 07:03:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:03:13,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:03:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 07:03:13,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 07:03:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-20 07:03:13,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-20 07:03:13,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-20 07:03:13,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-20 07:03:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-20 07:03:13,181 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-20 07:03:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 07:03:13,181 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 07:03:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-20 07:03:13,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-20 07:03:13,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-20 07:03:13,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-20 07:03:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-20 07:03:13,182 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-20 07:03:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-20 07:03:13,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-20 07:03:13,182 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-20 07:03:13,183 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-20 07:03:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-20 07:03:13,183 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-20 07:03:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 07:03:13,183 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 07:03:13,183 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-20 07:03:13,183 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-20 07:03:13,184 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-20 07:03:13,184 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-20 07:03:13,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-20 07:03:13,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-20 07:03:13,184 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-20 07:03:13,184 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-20 07:03:13,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-20 07:03:13,185 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-20 07:03:13,185 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-20 07:03:13,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-20 07:03:13,185 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-20 07:03:13,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-20 07:03:13,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:03:13,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 07:03:13,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 07:03:13,186 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-20 07:03:13,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-20 07:03:13,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 07:03:13,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 07:03:13,186 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-20 07:03:13,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-20 07:03:13,187 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 07:03:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 07:03:13,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-20 07:03:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-20 07:03:13,187 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 07:03:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 07:03:13,187 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-20 07:03:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-20 07:03:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-20 07:03:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-20 07:03:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-20 07:03:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-20 07:03:13,188 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-20 07:03:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-20 07:03:13,189 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-20 07:03:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-20 07:03:13,189 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 07:03:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 07:03:13,189 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-20 07:03:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-20 07:03:13,189 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-20 07:03:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-20 07:03:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-20 07:03:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-20 07:03:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-20 07:03:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-20 07:03:13,190 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 07:03:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 07:03:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-20 07:03:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-20 07:03:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-20 07:03:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-20 07:03:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-20 07:03:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-20 07:03:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-20 07:03:13,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-20 07:03:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:03:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-20 07:03:13,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-20 07:03:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-20 07:03:13,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-20 07:03:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 07:03:13,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 07:03:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-20 07:03:13,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-20 07:03:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-20 07:03:13,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-20 07:03:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_139 [2021-11-20 07:03:13,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_139 [2021-11-20 07:03:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-20 07:03:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-20 07:03:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-20 07:03:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-20 07:03:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-20 07:03:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-20 07:03:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-20 07:03:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-20 07:03:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 07:03:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 07:03:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-20 07:03:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-20 07:03:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-20 07:03:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-20 07:03:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-20 07:03:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-20 07:03:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-20 07:03:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-20 07:03:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-20 07:03:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-20 07:03:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-20 07:03:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-20 07:03:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 07:03:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 07:03:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 07:03:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 07:03:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-20 07:03:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-20 07:03:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-20 07:03:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-20 07:03:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-20 07:03:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-20 07:03:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 07:03:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 07:03:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-20 07:03:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-20 07:03:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-20 07:03:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-20 07:03:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-20 07:03:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-20 07:03:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 07:03:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 07:03:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_98 [2021-11-20 07:03:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_98 [2021-11-20 07:03:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-20 07:03:13,200 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-20 07:03:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 07:03:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 07:03:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-20 07:03:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-20 07:03:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-20 07:03:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-20 07:03:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-20 07:03:13,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-20 07:03:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-20 07:03:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-20 07:03:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 07:03:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 07:03:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-20 07:03:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-20 07:03:13,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-20 07:03:13,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-20 07:03:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 07:03:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 07:03:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:03:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:03:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 07:03:13,203 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 07:03:13,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:03:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-20 07:03:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-20 07:03:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-20 07:03:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-20 07:03:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2021-11-20 07:03:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2021-11-20 07:03:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 07:03:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 07:03:13,205 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-20 07:03:13,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-20 07:03:15,202 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:03:15,211 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:03:15,623 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:05:47,732 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:05:47,880 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:05:47,881 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-20 07:05:47,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:05:47 BoogieIcfgContainer [2021-11-20 07:05:47,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:05:47,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:05:47,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:05:47,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:05:47,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:03:00" (1/3) ... [2021-11-20 07:05:47,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fc23f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:05:47, skipping insertion in model container [2021-11-20 07:05:47,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:03:10" (2/3) ... [2021-11-20 07:05:47,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fc23f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:05:47, skipping insertion in model container [2021-11-20 07:05:47,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:05:47" (3/3) ... [2021-11-20 07:05:47,899 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-20 07:05:47,910 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:05:47,910 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-20 07:05:47,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:05:48,011 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 [2021-11-20 07:05:48,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-20 07:05:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 5771 states, 3930 states have (on average 1.3078880407124682) internal successors, (5140), 4028 states have internal predecessors, (5140), 1564 states have call successors, (1564), 274 states have call predecessors, (1564), 273 states have return successors, (1557), 1536 states have call predecessors, (1557), 1557 states have call successors, (1557) [2021-11-20 07:05:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-20 07:05:48,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:05:48,159 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-20 07:05:48,160 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)] === [2021-11-20 07:05:48,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:05:48,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1721833910, now seen corresponding path program 1 times [2021-11-20 07:05:48,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:05:48,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597380789] [2021-11-20 07:05:48,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:05:48,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:05:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:05:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:49,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:05:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:05:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:49,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:05:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:05:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 07:05:49,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:05:49,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597380789] [2021-11-20 07:05:49,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597380789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:05:49,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:05:49,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:05:49,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715381326] [2021-11-20 07:05:49,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:05:49,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:05:49,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:05:49,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:05:49,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:05:49,359 INFO L87 Difference]: Start difference. First operand has 5771 states, 3930 states have (on average 1.3078880407124682) internal successors, (5140), 4028 states have internal predecessors, (5140), 1564 states have call successors, (1564), 274 states have call predecessors, (1564), 273 states have return successors, (1557), 1536 states have call predecessors, (1557), 1557 states have call successors, (1557) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 07:05:50,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:05:50,274 INFO L93 Difference]: Finished difference Result 11530 states and 16910 transitions. [2021-11-20 07:05:50,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:05:50,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-11-20 07:05:50,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:05:50,363 INFO L225 Difference]: With dead ends: 11530 [2021-11-20 07:05:50,363 INFO L226 Difference]: Without dead ends: 5771 [2021-11-20 07:05:50,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:05:50,438 INFO L933 BasicCegarLoop]: 8219 mSDtfsCounter, 8159 mSDsluCounter, 16470 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8175 SdHoareTripleChecker+Valid, 24689 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:05:50,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8175 Valid, 24689 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:05:50,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5771 states. [2021-11-20 07:05:50,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5771 to 5769. [2021-11-20 07:05:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5769 states, 3925 states have (on average 1.2993630573248407) internal successors, (5100), 4021 states have internal predecessors, (5100), 1561 states have call successors, (1561), 281 states have call predecessors, (1561), 280 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-11-20 07:05:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5769 states to 5769 states and 8219 transitions. [2021-11-20 07:05:51,028 INFO L78 Accepts]: Start accepts. Automaton has 5769 states and 8219 transitions. Word has length 48 [2021-11-20 07:05:51,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:05:51,029 INFO L470 AbstractCegarLoop]: Abstraction has 5769 states and 8219 transitions. [2021-11-20 07:05:51,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 07:05:51,030 INFO L276 IsEmpty]: Start isEmpty. Operand 5769 states and 8219 transitions. [2021-11-20 07:05:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-20 07:05:51,035 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:05:51,035 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-20 07:05:51,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:05:51,036 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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)] === [2021-11-20 07:05:51,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:05:51,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2051143758, now seen corresponding path program 1 times [2021-11-20 07:05:51,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:05:51,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433779276] [2021-11-20 07:05:51,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:05:51,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:05:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:05:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:51,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:05:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:51,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:05:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:51,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:51,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:05:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:51,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:05:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:51,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 07:05:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 07:05:51,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:05:51,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433779276] [2021-11-20 07:05:51,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433779276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:05:51,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:05:51,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:05:51,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388698621] [2021-11-20 07:05:51,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:05:51,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:05:51,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:05:51,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:05:51,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:05:51,735 INFO L87 Difference]: Start difference. First operand 5769 states and 8219 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:05:52,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:05:52,411 INFO L93 Difference]: Finished difference Result 5775 states and 8224 transitions. [2021-11-20 07:05:52,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:05:52,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2021-11-20 07:05:52,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:05:52,468 INFO L225 Difference]: With dead ends: 5775 [2021-11-20 07:05:52,468 INFO L226 Difference]: Without dead ends: 5773 [2021-11-20 07:05:52,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:05:52,476 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8166 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:05:52,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8166 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:05:52,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5773 states. [2021-11-20 07:05:52,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5773 to 5773. [2021-11-20 07:05:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5773 states, 3928 states have (on average 1.2991344195519348) internal successors, (5103), 4024 states have internal predecessors, (5103), 1561 states have call successors, (1561), 282 states have call predecessors, (1561), 281 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-11-20 07:05:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5773 states to 5773 states and 8222 transitions. [2021-11-20 07:05:52,860 INFO L78 Accepts]: Start accepts. Automaton has 5773 states and 8222 transitions. Word has length 53 [2021-11-20 07:05:52,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:05:52,861 INFO L470 AbstractCegarLoop]: Abstraction has 5773 states and 8222 transitions. [2021-11-20 07:05:52,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:05:52,862 INFO L276 IsEmpty]: Start isEmpty. Operand 5773 states and 8222 transitions. [2021-11-20 07:05:52,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 07:05:52,871 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:05:52,872 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-11-20 07:05:52,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:05:52,872 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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)] === [2021-11-20 07:05:52,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:05:52,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1831891210, now seen corresponding path program 1 times [2021-11-20 07:05:52,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:05:52,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143843539] [2021-11-20 07:05:52,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:05:52,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:05:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:53,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:05:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:05:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:53,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:05:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:53,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:53,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:05:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:53,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:05:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 07:05:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:05:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:53,543 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-20 07:05:53,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:05:53,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143843539] [2021-11-20 07:05:53,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143843539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:05:53,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:05:53,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:05:53,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141187897] [2021-11-20 07:05:53,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:05:53,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:05:53,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:05:53,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:05:53,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:05:53,547 INFO L87 Difference]: Start difference. First operand 5773 states and 8222 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:05:54,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:05:54,168 INFO L93 Difference]: Finished difference Result 5779 states and 8227 transitions. [2021-11-20 07:05:54,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:05:54,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2021-11-20 07:05:54,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:05:54,224 INFO L225 Difference]: With dead ends: 5779 [2021-11-20 07:05:54,224 INFO L226 Difference]: Without dead ends: 5777 [2021-11-20 07:05:54,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:05:54,239 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8165 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:05:54,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8165 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:05:54,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5777 states. [2021-11-20 07:05:54,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5777 to 5777. [2021-11-20 07:05:54,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5777 states, 3931 states have (on average 1.298906130755533) internal successors, (5106), 4027 states have internal predecessors, (5106), 1561 states have call successors, (1561), 283 states have call predecessors, (1561), 282 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-11-20 07:05:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 8225 transitions. [2021-11-20 07:05:54,642 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 8225 transitions. Word has length 58 [2021-11-20 07:05:54,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:05:54,643 INFO L470 AbstractCegarLoop]: Abstraction has 5777 states and 8225 transitions. [2021-11-20 07:05:54,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:05:54,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 8225 transitions. [2021-11-20 07:05:54,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-20 07:05:54,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:05:54,647 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2021-11-20 07:05:54,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:05:54,648 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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)] === [2021-11-20 07:05:54,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:05:54,648 INFO L85 PathProgramCache]: Analyzing trace with hash -624883214, now seen corresponding path program 1 times [2021-11-20 07:05:54,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:05:54,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732132065] [2021-11-20 07:05:54,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:05:54,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:05:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:05:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:05:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:05:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:55,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:05:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:55,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:05:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 07:05:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:05:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-20 07:05:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:55,432 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 07:05:55,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:05:55,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732132065] [2021-11-20 07:05:55,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732132065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:05:55,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:05:55,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:05:55,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942742271] [2021-11-20 07:05:55,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:05:55,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:05:55,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:05:55,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:05:55,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:05:55,436 INFO L87 Difference]: Start difference. First operand 5777 states and 8225 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 07:05:56,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:05:56,003 INFO L93 Difference]: Finished difference Result 5783 states and 8230 transitions. [2021-11-20 07:05:56,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:05:56,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2021-11-20 07:05:56,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:05:56,060 INFO L225 Difference]: With dead ends: 5783 [2021-11-20 07:05:56,061 INFO L226 Difference]: Without dead ends: 5781 [2021-11-20 07:05:56,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:05:56,069 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8164 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:05:56,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8164 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:05:56,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2021-11-20 07:05:56,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 5781. [2021-11-20 07:05:56,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5781 states, 3934 states have (on average 1.2986781901372648) internal successors, (5109), 4030 states have internal predecessors, (5109), 1561 states have call successors, (1561), 284 states have call predecessors, (1561), 283 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-11-20 07:05:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 8228 transitions. [2021-11-20 07:05:56,445 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 8228 transitions. Word has length 63 [2021-11-20 07:05:56,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:05:56,446 INFO L470 AbstractCegarLoop]: Abstraction has 5781 states and 8228 transitions. [2021-11-20 07:05:56,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 07:05:56,446 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 8228 transitions. [2021-11-20 07:05:56,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 07:05:56,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:05:56,448 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:05:56,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:05:56,448 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 07:05:56,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:05:56,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1055643459, now seen corresponding path program 1 times [2021-11-20 07:05:56,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:05:56,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933114306] [2021-11-20 07:05:56,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:05:56,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:05:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:56,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:05:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:56,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:05:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:05:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:05:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:05:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:05:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 07:05:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:57,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:05:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:05:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 07:05:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-20 07:05:57,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:05:57,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933114306] [2021-11-20 07:05:57,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933114306] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:05:57,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:05:57,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:05:57,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072206015] [2021-11-20 07:05:57,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:05:57,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:05:57,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:05:57,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:05:57,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:05:57,072 INFO L87 Difference]: Start difference. First operand 5781 states and 8228 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 07:05:57,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:05:57,654 INFO L93 Difference]: Finished difference Result 5814 states and 8253 transitions. [2021-11-20 07:05:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:05:57,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 81 [2021-11-20 07:05:57,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:05:57,719 INFO L225 Difference]: With dead ends: 5814 [2021-11-20 07:05:57,719 INFO L226 Difference]: Without dead ends: 5812 [2021-11-20 07:05:57,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:05:57,728 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8072 mSDsluCounter, 16433 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8083 SdHoareTripleChecker+Valid, 24617 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:05:57,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8083 Valid, 24617 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:05:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5812 states. [2021-11-20 07:05:58,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5812 to 5810. [2021-11-20 07:05:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 3955 states have (on average 1.297345132743363) internal successors, (5131), 4051 states have internal predecessors, (5131), 1561 states have call successors, (1561), 292 states have call predecessors, (1561), 291 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-11-20 07:05:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 8250 transitions. [2021-11-20 07:05:58,104 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 8250 transitions. Word has length 81 [2021-11-20 07:05:58,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:05:58,104 INFO L470 AbstractCegarLoop]: Abstraction has 5810 states and 8250 transitions. [2021-11-20 07:05:58,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 07:05:58,105 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 8250 transitions. [2021-11-20 07:05:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-20 07:05:58,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:05:58,106 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:05:58,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:05:58,107 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 07:05:58,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:05:58,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1062135483, now seen corresponding path program 1 times [2021-11-20 07:05:58,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:05:58,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929633319] [2021-11-20 07:05:58,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:05:58,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:05:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:05:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:05:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:05:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:05:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:05:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:05:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:05:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 07:05:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:05:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:05:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 07:05:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:05:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:05:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-20 07:05:58,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:05:58,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929633319] [2021-11-20 07:05:58,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929633319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:05:58,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:05:58,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:05:58,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629459432] [2021-11-20 07:05:58,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:05:58,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:05:58,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:05:58,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:05:58,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:05:58,771 INFO L87 Difference]: Start difference. First operand 5810 states and 8250 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 07:05:59,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:05:59,377 INFO L93 Difference]: Finished difference Result 5816 states and 8255 transitions. [2021-11-20 07:05:59,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:05:59,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2021-11-20 07:05:59,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:05:59,413 INFO L225 Difference]: With dead ends: 5816 [2021-11-20 07:05:59,413 INFO L226 Difference]: Without dead ends: 5814 [2021-11-20 07:05:59,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:05:59,419 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8142 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8152 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:05:59,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8152 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:05:59,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5814 states. [2021-11-20 07:05:59,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5814 to 5814. [2021-11-20 07:05:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5814 states, 3958 states have (on average 1.2971197574532591) internal successors, (5134), 4054 states have internal predecessors, (5134), 1561 states have call successors, (1561), 293 states have call predecessors, (1561), 292 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-11-20 07:05:59,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5814 states to 5814 states and 8253 transitions. [2021-11-20 07:05:59,792 INFO L78 Accepts]: Start accepts. Automaton has 5814 states and 8253 transitions. Word has length 86 [2021-11-20 07:05:59,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:05:59,794 INFO L470 AbstractCegarLoop]: Abstraction has 5814 states and 8253 transitions. [2021-11-20 07:05:59,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 07:05:59,794 INFO L276 IsEmpty]: Start isEmpty. Operand 5814 states and 8253 transitions. [2021-11-20 07:05:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-20 07:05:59,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:05:59,796 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 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] [2021-11-20 07:05:59,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:05:59,797 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)] === [2021-11-20 07:05:59,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:05:59,797 INFO L85 PathProgramCache]: Analyzing trace with hash -51062410, now seen corresponding path program 1 times [2021-11-20 07:05:59,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:05:59,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800159423] [2021-11-20 07:05:59,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:05:59,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:05:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:06:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:06:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:06:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:06:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:06:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 07:06:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:06:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-20 07:06:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:06:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 07:06:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:06:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-20 07:06:00,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:00,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800159423] [2021-11-20 07:06:00,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800159423] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:00,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:00,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:06:00,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726502248] [2021-11-20 07:06:00,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:00,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:06:00,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:00,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:06:00,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:00,523 INFO L87 Difference]: Start difference. First operand 5814 states and 8253 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 07:06:01,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:01,110 INFO L93 Difference]: Finished difference Result 5820 states and 8258 transitions. [2021-11-20 07:06:01,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:06:01,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 78 [2021-11-20 07:06:01,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:01,144 INFO L225 Difference]: With dead ends: 5820 [2021-11-20 07:06:01,145 INFO L226 Difference]: Without dead ends: 5818 [2021-11-20 07:06:01,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:01,151 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8161 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:01,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8161 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:01,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2021-11-20 07:06:01,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 5818. [2021-11-20 07:06:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5818 states, 3961 states have (on average 1.296894723554658) internal successors, (5137), 4057 states have internal predecessors, (5137), 1561 states have call successors, (1561), 294 states have call predecessors, (1561), 293 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-11-20 07:06:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5818 states to 5818 states and 8256 transitions. [2021-11-20 07:06:01,535 INFO L78 Accepts]: Start accepts. Automaton has 5818 states and 8256 transitions. Word has length 78 [2021-11-20 07:06:01,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:01,536 INFO L470 AbstractCegarLoop]: Abstraction has 5818 states and 8256 transitions. [2021-11-20 07:06:01,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 07:06:01,536 INFO L276 IsEmpty]: Start isEmpty. Operand 5818 states and 8256 transitions. [2021-11-20 07:06:01,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-20 07:06:01,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:01,545 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 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] [2021-11-20 07:06:01,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:06:01,545 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)] === [2021-11-20 07:06:01,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:01,546 INFO L85 PathProgramCache]: Analyzing trace with hash 557493874, now seen corresponding path program 1 times [2021-11-20 07:06:01,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:01,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809497616] [2021-11-20 07:06:01,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:01,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:01,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:06:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:01,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:06:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:01,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:06:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:02,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:02,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:06:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:06:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 07:06:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:06:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-20 07:06:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:06:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 07:06:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:06:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:06:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:02,103 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-20 07:06:02,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:02,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809497616] [2021-11-20 07:06:02,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809497616] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:02,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:02,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:06:02,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621625561] [2021-11-20 07:06:02,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:02,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:06:02,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:02,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:06:02,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:02,106 INFO L87 Difference]: Start difference. First operand 5818 states and 8256 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 07:06:02,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:02,708 INFO L93 Difference]: Finished difference Result 5824 states and 8261 transitions. [2021-11-20 07:06:02,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:06:02,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2021-11-20 07:06:02,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:02,740 INFO L225 Difference]: With dead ends: 5824 [2021-11-20 07:06:02,741 INFO L226 Difference]: Without dead ends: 5822 [2021-11-20 07:06:02,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:02,746 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8160 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:02,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8160 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:02,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5822 states. [2021-11-20 07:06:03,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5822 to 5822. [2021-11-20 07:06:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5822 states, 3964 states have (on average 1.296670030272452) internal successors, (5140), 4060 states have internal predecessors, (5140), 1561 states have call successors, (1561), 295 states have call predecessors, (1561), 294 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-11-20 07:06:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5822 states to 5822 states and 8259 transitions. [2021-11-20 07:06:03,120 INFO L78 Accepts]: Start accepts. Automaton has 5822 states and 8259 transitions. Word has length 83 [2021-11-20 07:06:03,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:03,120 INFO L470 AbstractCegarLoop]: Abstraction has 5822 states and 8259 transitions. [2021-11-20 07:06:03,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 07:06:03,121 INFO L276 IsEmpty]: Start isEmpty. Operand 5822 states and 8259 transitions. [2021-11-20 07:06:03,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-20 07:06:03,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:03,124 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:03,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:06:03,124 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)] === [2021-11-20 07:06:03,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:03,125 INFO L85 PathProgramCache]: Analyzing trace with hash 950425923, now seen corresponding path program 1 times [2021-11-20 07:06:03,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:03,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383792705] [2021-11-20 07:06:03,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:03,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:06:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:06:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:06:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:06:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:06:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:06:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 07:06:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:06:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:06:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 07:06:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:06:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:06:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-20 07:06:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-20 07:06:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-20 07:06:03,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:03,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383792705] [2021-11-20 07:06:03,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383792705] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:03,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:03,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:06:03,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874736307] [2021-11-20 07:06:03,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:03,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:06:03,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:03,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:06:03,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:03,722 INFO L87 Difference]: Start difference. First operand 5822 states and 8259 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 07:06:04,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:04,326 INFO L93 Difference]: Finished difference Result 5828 states and 8264 transitions. [2021-11-20 07:06:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:06:04,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2021-11-20 07:06:04,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:04,358 INFO L225 Difference]: With dead ends: 5828 [2021-11-20 07:06:04,359 INFO L226 Difference]: Without dead ends: 5826 [2021-11-20 07:06:04,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:04,366 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8142 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8149 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:04,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8149 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:04,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5826 states. [2021-11-20 07:06:04,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5826 to 5826. [2021-11-20 07:06:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 3967 states have (on average 1.2964456768338795) internal successors, (5143), 4063 states have internal predecessors, (5143), 1561 states have call successors, (1561), 296 states have call predecessors, (1561), 295 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-11-20 07:06:04,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 8262 transitions. [2021-11-20 07:06:04,904 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 8262 transitions. Word has length 101 [2021-11-20 07:06:04,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:04,905 INFO L470 AbstractCegarLoop]: Abstraction has 5826 states and 8262 transitions. [2021-11-20 07:06:04,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 07:06:04,905 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 8262 transitions. [2021-11-20 07:06:04,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-20 07:06:04,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:04,907 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:04,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:06:04,908 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)] === [2021-11-20 07:06:04,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:04,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1582549435, now seen corresponding path program 1 times [2021-11-20 07:06:04,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:04,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807362311] [2021-11-20 07:06:04,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:04,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:06:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:06:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:06:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:06:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:06:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:06:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 07:06:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:06:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:06:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 07:06:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:06:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:06:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-20 07:06:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-20 07:06:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:06:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:05,501 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-20 07:06:05,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:05,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807362311] [2021-11-20 07:06:05,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807362311] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:05,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:05,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:06:05,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42997016] [2021-11-20 07:06:05,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:05,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:06:05,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:05,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:06:05,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:05,504 INFO L87 Difference]: Start difference. First operand 5826 states and 8262 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 07:06:06,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:06,056 INFO L93 Difference]: Finished difference Result 5832 states and 8267 transitions. [2021-11-20 07:06:06,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:06:06,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2021-11-20 07:06:06,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:06,086 INFO L225 Difference]: With dead ends: 5832 [2021-11-20 07:06:06,086 INFO L226 Difference]: Without dead ends: 5830 [2021-11-20 07:06:06,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:06,092 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8142 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8148 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:06,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8148 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:06,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2021-11-20 07:06:06,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5830. [2021-11-20 07:06:06,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5830 states, 3970 states have (on average 1.296221662468514) internal successors, (5146), 4066 states have internal predecessors, (5146), 1561 states have call successors, (1561), 297 states have call predecessors, (1561), 296 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-11-20 07:06:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5830 states to 5830 states and 8265 transitions. [2021-11-20 07:06:06,484 INFO L78 Accepts]: Start accepts. Automaton has 5830 states and 8265 transitions. Word has length 106 [2021-11-20 07:06:06,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:06,485 INFO L470 AbstractCegarLoop]: Abstraction has 5830 states and 8265 transitions. [2021-11-20 07:06:06,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 07:06:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 5830 states and 8265 transitions. [2021-11-20 07:06:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-20 07:06:06,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:06,489 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:06,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:06:06,490 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)] === [2021-11-20 07:06:06,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:06,490 INFO L85 PathProgramCache]: Analyzing trace with hash 911163971, now seen corresponding path program 1 times [2021-11-20 07:06:06,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:06,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253686593] [2021-11-20 07:06:06,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:06,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:06:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:06:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:06,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:06:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:06,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:06,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:06:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:06:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:06:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 07:06:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:06:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:06:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 07:06:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:07,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:06:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:06:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-20 07:06:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-20 07:06:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:06:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:06:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-11-20 07:06:07,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:07,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253686593] [2021-11-20 07:06:07,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253686593] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:07,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:07,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:06:07,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271652030] [2021-11-20 07:06:07,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:07,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:06:07,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:07,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:06:07,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:07,074 INFO L87 Difference]: Start difference. First operand 5830 states and 8265 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:06:07,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:07,749 INFO L93 Difference]: Finished difference Result 6715 states and 9478 transitions. [2021-11-20 07:06:07,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:06:07,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2021-11-20 07:06:07,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:07,793 INFO L225 Difference]: With dead ends: 6715 [2021-11-20 07:06:07,793 INFO L226 Difference]: Without dead ends: 6713 [2021-11-20 07:06:07,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:07,800 INFO L933 BasicCegarLoop]: 9266 mSDtfsCounter, 7107 mSDsluCounter, 20735 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7112 SdHoareTripleChecker+Valid, 30001 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:07,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7112 Valid, 30001 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:07,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6713 states. [2021-11-20 07:06:08,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6713 to 6707. [2021-11-20 07:06:08,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6707 states, 4578 states have (on average 1.3001310615989514) internal successors, (5952), 4692 states have internal predecessors, (5952), 1754 states have call successors, (1754), 375 states have call predecessors, (1754), 372 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2021-11-20 07:06:08,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 9472 transitions. [2021-11-20 07:06:08,478 INFO L78 Accepts]: Start accepts. Automaton has 6707 states and 9472 transitions. Word has length 111 [2021-11-20 07:06:08,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:08,478 INFO L470 AbstractCegarLoop]: Abstraction has 6707 states and 9472 transitions. [2021-11-20 07:06:08,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:06:08,479 INFO L276 IsEmpty]: Start isEmpty. Operand 6707 states and 9472 transitions. [2021-11-20 07:06:08,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-20 07:06:08,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:08,481 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 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] [2021-11-20 07:06:08,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 07:06:08,482 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)] === [2021-11-20 07:06:08,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:08,483 INFO L85 PathProgramCache]: Analyzing trace with hash -2013015310, now seen corresponding path program 1 times [2021-11-20 07:06:08,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:08,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414875241] [2021-11-20 07:06:08,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:08,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:08,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:06:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:08,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:06:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:06:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:08,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:06:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:06:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 07:06:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:06:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-20 07:06:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:06:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 07:06:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:06:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:06:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:06:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-20 07:06:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:06:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 07:06:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-20 07:06:09,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:09,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414875241] [2021-11-20 07:06:09,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414875241] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:09,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:09,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:06:09,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751883934] [2021-11-20 07:06:09,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:09,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:06:09,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:09,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:06:09,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:09,169 INFO L87 Difference]: Start difference. First operand 6707 states and 9472 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:06:09,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:09,930 INFO L93 Difference]: Finished difference Result 6713 states and 9477 transitions. [2021-11-20 07:06:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:06:09,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 103 [2021-11-20 07:06:09,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:09,974 INFO L225 Difference]: With dead ends: 6713 [2021-11-20 07:06:09,974 INFO L226 Difference]: Without dead ends: 6711 [2021-11-20 07:06:09,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:09,981 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8156 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:09,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8156 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:09,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2021-11-20 07:06:10,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6711. [2021-11-20 07:06:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6711 states, 4581 states have (on average 1.2999345121152586) internal successors, (5955), 4695 states have internal predecessors, (5955), 1754 states have call successors, (1754), 376 states have call predecessors, (1754), 373 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2021-11-20 07:06:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6711 states to 6711 states and 9475 transitions. [2021-11-20 07:06:10,682 INFO L78 Accepts]: Start accepts. Automaton has 6711 states and 9475 transitions. Word has length 103 [2021-11-20 07:06:10,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:10,683 INFO L470 AbstractCegarLoop]: Abstraction has 6711 states and 9475 transitions. [2021-11-20 07:06:10,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:06:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 6711 states and 9475 transitions. [2021-11-20 07:06:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-20 07:06:10,686 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:10,686 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:10,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 07:06:10,686 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)] === [2021-11-20 07:06:10,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:10,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1961190589, now seen corresponding path program 1 times [2021-11-20 07:06:10,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:10,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859126483] [2021-11-20 07:06:10,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:10,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:06:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:06:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:06:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:06:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:06:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:06:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 07:06:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:06:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:06:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 07:06:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:06:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:06:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-20 07:06:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-20 07:06:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:06:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:06:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 07:06:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:06:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:11,306 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-11-20 07:06:11,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:11,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859126483] [2021-11-20 07:06:11,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859126483] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:11,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:11,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:06:11,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952353771] [2021-11-20 07:06:11,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:11,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:06:11,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:11,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:06:11,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:11,309 INFO L87 Difference]: Start difference. First operand 6711 states and 9475 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 07:06:11,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:11,964 INFO L93 Difference]: Finished difference Result 6717 states and 9480 transitions. [2021-11-20 07:06:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:06:11,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2021-11-20 07:06:11,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:12,003 INFO L225 Difference]: With dead ends: 6717 [2021-11-20 07:06:12,003 INFO L226 Difference]: Without dead ends: 6715 [2021-11-20 07:06:12,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:12,009 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8142 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8145 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:12,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8145 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:12,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6715 states. [2021-11-20 07:06:12,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 6715. [2021-11-20 07:06:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6715 states, 4584 states have (on average 1.299738219895288) internal successors, (5958), 4698 states have internal predecessors, (5958), 1754 states have call successors, (1754), 377 states have call predecessors, (1754), 374 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2021-11-20 07:06:12,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 9478 transitions. [2021-11-20 07:06:12,486 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 9478 transitions. Word has length 121 [2021-11-20 07:06:12,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:12,486 INFO L470 AbstractCegarLoop]: Abstraction has 6715 states and 9478 transitions. [2021-11-20 07:06:12,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 07:06:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 9478 transitions. [2021-11-20 07:06:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-20 07:06:12,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:12,490 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 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] [2021-11-20 07:06:12,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 07:06:12,491 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)] === [2021-11-20 07:06:12,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:12,491 INFO L85 PathProgramCache]: Analyzing trace with hash -907397838, now seen corresponding path program 1 times [2021-11-20 07:06:12,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:12,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233644262] [2021-11-20 07:06:12,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:12,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:06:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:06:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:06:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:06:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:06:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 07:06:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:06:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-20 07:06:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:06:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 07:06:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:06:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:13,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 07:06:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:06:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:13,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-20 07:06:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:06:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 07:06:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:06:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 07:06:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-11-20 07:06:13,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:13,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233644262] [2021-11-20 07:06:13,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233644262] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:13,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:13,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:06:13,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790170143] [2021-11-20 07:06:13,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:13,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:06:13,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:13,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:06:13,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:13,070 INFO L87 Difference]: Start difference. First operand 6715 states and 9478 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 07:06:13,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:13,726 INFO L93 Difference]: Finished difference Result 6721 states and 9483 transitions. [2021-11-20 07:06:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:06:13,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 113 [2021-11-20 07:06:13,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:13,762 INFO L225 Difference]: With dead ends: 6721 [2021-11-20 07:06:13,762 INFO L226 Difference]: Without dead ends: 6719 [2021-11-20 07:06:13,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:13,768 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8154 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:13,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8154 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:13,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6719 states. [2021-11-20 07:06:14,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6719 to 6719. [2021-11-20 07:06:14,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6719 states, 4587 states have (on average 1.2995421844342707) internal successors, (5961), 4701 states have internal predecessors, (5961), 1754 states have call successors, (1754), 378 states have call predecessors, (1754), 375 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2021-11-20 07:06:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6719 states to 6719 states and 9481 transitions. [2021-11-20 07:06:14,363 INFO L78 Accepts]: Start accepts. Automaton has 6719 states and 9481 transitions. Word has length 113 [2021-11-20 07:06:14,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:14,364 INFO L470 AbstractCegarLoop]: Abstraction has 6719 states and 9481 transitions. [2021-11-20 07:06:14,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 07:06:14,365 INFO L276 IsEmpty]: Start isEmpty. Operand 6719 states and 9481 transitions. [2021-11-20 07:06:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-20 07:06:14,368 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:14,368 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:06:14,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 07:06:14,369 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)] === [2021-11-20 07:06:14,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:14,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1119642691, now seen corresponding path program 1 times [2021-11-20 07:06:14,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:14,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010378541] [2021-11-20 07:06:14,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:14,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:06:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:06:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:06:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:06:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:06:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:06:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 07:06:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:06:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:06:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 07:06:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:06:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:06:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-20 07:06:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-20 07:06:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:06:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:06:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 07:06:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:06:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 07:06:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:06:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-11-20 07:06:14,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:14,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010378541] [2021-11-20 07:06:14,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010378541] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:14,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:14,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:06:14,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953371822] [2021-11-20 07:06:14,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:14,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:06:14,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:14,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:06:14,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:06:14,952 INFO L87 Difference]: Start difference. First operand 6719 states and 9481 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:06:15,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:15,665 INFO L93 Difference]: Finished difference Result 6725 states and 9486 transitions. [2021-11-20 07:06:15,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:06:15,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2021-11-20 07:06:15,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:15,701 INFO L225 Difference]: With dead ends: 6725 [2021-11-20 07:06:15,701 INFO L226 Difference]: Without dead ends: 6721 [2021-11-20 07:06:15,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:15,710 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8142 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8143 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:15,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8143 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:06:15,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6721 states. [2021-11-20 07:06:16,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6721 to 6721. [2021-11-20 07:06:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6721 states, 4589 states have (on average 1.2991937241229026) internal successors, (5962), 4702 states have internal predecessors, (5962), 1754 states have call successors, (1754), 379 states have call predecessors, (1754), 375 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2021-11-20 07:06:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6721 states to 6721 states and 9482 transitions. [2021-11-20 07:06:16,212 INFO L78 Accepts]: Start accepts. Automaton has 6721 states and 9482 transitions. Word has length 131 [2021-11-20 07:06:16,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:16,213 INFO L470 AbstractCegarLoop]: Abstraction has 6721 states and 9482 transitions. [2021-11-20 07:06:16,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:06:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 6721 states and 9482 transitions. [2021-11-20 07:06:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-20 07:06:16,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:16,217 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2021-11-20 07:06:16,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 07:06:16,218 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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)] === [2021-11-20 07:06:16,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:16,219 INFO L85 PathProgramCache]: Analyzing trace with hash 101108751, now seen corresponding path program 1 times [2021-11-20 07:06:16,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:16,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774599816] [2021-11-20 07:06:16,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:16,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:06:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:06:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:06:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:06:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:06:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:06:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:06:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:06:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:06:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:06:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:06:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:06:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:06:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:06:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:06:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-20 07:06:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-20 07:06:16,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:16,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774599816] [2021-11-20 07:06:16,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774599816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:16,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:16,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:06:16,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530830454] [2021-11-20 07:06:16,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:16,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:06:16,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:16,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:06:16,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:06:16,949 INFO L87 Difference]: Start difference. First operand 6721 states and 9482 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-20 07:06:32,741 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:41,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:43,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:45,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:48,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:48,584 INFO L93 Difference]: Finished difference Result 14427 states and 20616 transitions. [2021-11-20 07:06:48,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:06:48,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2021-11-20 07:06:48,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:48,636 INFO L225 Difference]: With dead ends: 14427 [2021-11-20 07:06:48,637 INFO L226 Difference]: Without dead ends: 7725 [2021-11-20 07:06:48,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:06:48,689 INFO L933 BasicCegarLoop]: 7726 mSDtfsCounter, 2808 mSDsluCounter, 9271 mSDsCounter, 0 mSdLazyCounter, 4323 mSolverCounterSat, 1882 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3510 SdHoareTripleChecker+Valid, 16997 SdHoareTripleChecker+Invalid, 6209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1882 IncrementalHoareTripleChecker+Valid, 4323 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:48,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3510 Valid, 16997 Invalid, 6209 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1882 Valid, 4323 Invalid, 4 Unknown, 0 Unchecked, 30.6s Time] [2021-11-20 07:06:48,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7725 states. [2021-11-20 07:06:49,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7725 to 6744. [2021-11-20 07:06:49,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6744 states, 4602 states have (on average 1.2985658409387224) internal successors, (5976), 4717 states have internal predecessors, (5976), 1758 states have call successors, (1758), 379 states have call predecessors, (1758), 381 states have return successors, (1779), 1733 states have call predecessors, (1779), 1755 states have call successors, (1779) [2021-11-20 07:06:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6744 states to 6744 states and 9513 transitions. [2021-11-20 07:06:49,261 INFO L78 Accepts]: Start accepts. Automaton has 6744 states and 9513 transitions. Word has length 138 [2021-11-20 07:06:49,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:49,262 INFO L470 AbstractCegarLoop]: Abstraction has 6744 states and 9513 transitions. [2021-11-20 07:06:49,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-20 07:06:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand 6744 states and 9513 transitions. [2021-11-20 07:06:49,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-20 07:06:49,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:49,265 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2021-11-20 07:06:49,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 07:06:49,266 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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)] === [2021-11-20 07:06:49,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:49,266 INFO L85 PathProgramCache]: Analyzing trace with hash 494135761, now seen corresponding path program 1 times [2021-11-20 07:06:49,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:49,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832883050] [2021-11-20 07:06:49,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:49,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:06:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:06:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:49,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:06:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:49,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:06:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:49,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:06:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:49,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:06:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:06:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:06:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:06:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:06:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:06:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:06:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:06:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:06:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:06:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-20 07:06:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:50,272 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-20 07:06:50,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:50,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832883050] [2021-11-20 07:06:50,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832883050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:50,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:50,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:06:50,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064513773] [2021-11-20 07:06:50,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:50,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:06:50,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:50,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:06:50,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:06:50,275 INFO L87 Difference]: Start difference. First operand 6744 states and 9513 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:07:16,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:30,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:33,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:02,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:08:02,534 INFO L93 Difference]: Finished difference Result 12819 states and 18608 transitions. [2021-11-20 07:08:02,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:08:02,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2021-11-20 07:08:02,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:08:02,611 INFO L225 Difference]: With dead ends: 12819 [2021-11-20 07:08:02,611 INFO L226 Difference]: Without dead ends: 12817 [2021-11-20 07:08:02,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:08:02,622 INFO L933 BasicCegarLoop]: 9430 mSDtfsCounter, 11179 mSDsluCounter, 25324 mSDsCounter, 0 mSdLazyCounter, 12423 mSolverCounterSat, 5508 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12414 SdHoareTripleChecker+Valid, 34754 SdHoareTripleChecker+Invalid, 17934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5508 IncrementalHoareTripleChecker+Valid, 12423 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:08:02,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12414 Valid, 34754 Invalid, 17934 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5508 Valid, 12423 Invalid, 3 Unknown, 0 Unchecked, 70.3s Time] [2021-11-20 07:08:02,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12817 states. [2021-11-20 07:08:03,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12817 to 11654. [2021-11-20 07:08:03,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11654 states, 7959 states have (on average 1.290991330569167) internal successors, (10275), 8176 states have internal predecessors, (10275), 3025 states have call successors, (3025), 631 states have call predecessors, (3025), 667 states have return successors, (3407), 2983 states have call predecessors, (3407), 3022 states have call successors, (3407) [2021-11-20 07:08:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11654 states to 11654 states and 16707 transitions. [2021-11-20 07:08:03,795 INFO L78 Accepts]: Start accepts. Automaton has 11654 states and 16707 transitions. Word has length 138 [2021-11-20 07:08:03,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:08:03,796 INFO L470 AbstractCegarLoop]: Abstraction has 11654 states and 16707 transitions. [2021-11-20 07:08:03,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:08:03,797 INFO L276 IsEmpty]: Start isEmpty. Operand 11654 states and 16707 transitions. [2021-11-20 07:08:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-20 07:08:03,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:08:03,801 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:08:03,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 07:08:03,801 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)] === [2021-11-20 07:08:03,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:08:03,802 INFO L85 PathProgramCache]: Analyzing trace with hash 995334597, now seen corresponding path program 1 times [2021-11-20 07:08:03,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:08:03,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471890183] [2021-11-20 07:08:03,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:08:03,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:08:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:08:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:08:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:08:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:08:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:08:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:08:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 07:08:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 07:08:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:08:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-20 07:08:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:08:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:08:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-20 07:08:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-20 07:08:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:08:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:08:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-20 07:08:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-20 07:08:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 07:08:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:08:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:08:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-20 07:08:04,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:08:04,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471890183] [2021-11-20 07:08:04,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471890183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:08:04,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:08:04,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:08:04,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760325558] [2021-11-20 07:08:04,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:08:04,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:08:04,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:08:04,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:08:04,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:08:04,528 INFO L87 Difference]: Start difference. First operand 11654 states and 16707 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 07:08:05,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:08:05,460 INFO L93 Difference]: Finished difference Result 11654 states and 16707 transitions. [2021-11-20 07:08:05,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:08:05,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2021-11-20 07:08:05,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:08:05,525 INFO L225 Difference]: With dead ends: 11654 [2021-11-20 07:08:05,525 INFO L226 Difference]: Without dead ends: 11560 [2021-11-20 07:08:05,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:08:05,536 INFO L933 BasicCegarLoop]: 8182 mSDtfsCounter, 8138 mSDsluCounter, 16344 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8138 SdHoareTripleChecker+Valid, 24526 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:08:05,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8138 Valid, 24526 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:08:05,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11560 states. [2021-11-20 07:08:06,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11560 to 11560. [2021-11-20 07:08:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11560 states, 7901 states have (on average 1.2923680546766232) internal successors, (10211), 8115 states have internal predecessors, (10211), 3005 states have call successors, (3005), 614 states have call predecessors, (3005), 652 states have return successors, (3390), 2967 states have call predecessors, (3390), 3005 states have call successors, (3390) [2021-11-20 07:08:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11560 states to 11560 states and 16606 transitions. [2021-11-20 07:08:06,737 INFO L78 Accepts]: Start accepts. Automaton has 11560 states and 16606 transitions. Word has length 136 [2021-11-20 07:08:06,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:08:06,737 INFO L470 AbstractCegarLoop]: Abstraction has 11560 states and 16606 transitions. [2021-11-20 07:08:06,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 07:08:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 11560 states and 16606 transitions. [2021-11-20 07:08:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-20 07:08:06,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:08:06,742 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 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] [2021-11-20 07:08:06,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 07:08:06,742 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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)] === [2021-11-20 07:08:06,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:08:06,743 INFO L85 PathProgramCache]: Analyzing trace with hash 637942638, now seen corresponding path program 1 times [2021-11-20 07:08:06,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:08:06,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434917602] [2021-11-20 07:08:06,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:08:06,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:08:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:08:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:08:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:08:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:08:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:08:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:08:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:08:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:08:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:08:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:08:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:08:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:08:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:08:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:08:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 07:08:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 07:08:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:08:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:07,570 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-20 07:08:07,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:08:07,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434917602] [2021-11-20 07:08:07,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434917602] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:08:07,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:08:07,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:08:07,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500392418] [2021-11-20 07:08:07,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:08:07,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:08:07,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:08:07,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:08:07,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:08:07,574 INFO L87 Difference]: Start difference. First operand 11560 states and 16606 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:08:31,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:43,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:45,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:48,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:50,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:08:54,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:08:54,271 INFO L93 Difference]: Finished difference Result 12720 states and 18528 transitions. [2021-11-20 07:08:54,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:08:54,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2021-11-20 07:08:54,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:08:54,342 INFO L225 Difference]: With dead ends: 12720 [2021-11-20 07:08:54,342 INFO L226 Difference]: Without dead ends: 12718 [2021-11-20 07:08:54,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:08:54,352 INFO L933 BasicCegarLoop]: 7707 mSDtfsCounter, 9875 mSDsluCounter, 15673 mSDsCounter, 0 mSdLazyCounter, 6695 mSolverCounterSat, 4257 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10642 SdHoareTripleChecker+Valid, 23380 SdHoareTripleChecker+Invalid, 10957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4257 IncrementalHoareTripleChecker+Valid, 6695 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:08:54,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10642 Valid, 23380 Invalid, 10957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4257 Valid, 6695 Invalid, 5 Unknown, 0 Unchecked, 45.3s Time] [2021-11-20 07:08:54,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12718 states. [2021-11-20 07:08:55,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12718 to 11651. [2021-11-20 07:08:55,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11651 states, 7958 states have (on average 1.291153556169892) internal successors, (10275), 8175 states have internal predecessors, (10275), 3030 states have call successors, (3030), 627 states have call predecessors, (3030), 661 states have return successors, (3415), 2985 states have call predecessors, (3415), 3030 states have call successors, (3415) [2021-11-20 07:08:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11651 states to 11651 states and 16720 transitions. [2021-11-20 07:08:55,208 INFO L78 Accepts]: Start accepts. Automaton has 11651 states and 16720 transitions. Word has length 151 [2021-11-20 07:08:55,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:08:55,209 INFO L470 AbstractCegarLoop]: Abstraction has 11651 states and 16720 transitions. [2021-11-20 07:08:55,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:08:55,209 INFO L276 IsEmpty]: Start isEmpty. Operand 11651 states and 16720 transitions. [2021-11-20 07:08:55,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-20 07:08:55,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:08:55,215 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1] [2021-11-20 07:08:55,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 07:08:55,216 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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)] === [2021-11-20 07:08:55,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:08:55,216 INFO L85 PathProgramCache]: Analyzing trace with hash 61164923, now seen corresponding path program 1 times [2021-11-20 07:08:55,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:08:55,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853514567] [2021-11-20 07:08:55,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:08:55,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:08:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:08:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:08:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:08:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:08:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:08:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:08:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:08:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:08:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:08:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:08:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:08:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:08:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:08:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:08:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-20 07:08:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:08:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:08:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:08:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-20 07:08:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:08:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-20 07:08:55,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:08:55,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853514567] [2021-11-20 07:08:55,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853514567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:08:55,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:08:55,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:08:55,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527165515] [2021-11-20 07:08:55,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:08:55,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:08:55,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:08:55,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:08:55,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:08:55,965 INFO L87 Difference]: Start difference. First operand 11651 states and 16720 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-20 07:09:09,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:21,479 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:34,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:36,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:38,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:40,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:43,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:45,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:47,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:50,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:09:55,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:09:55,268 INFO L93 Difference]: Finished difference Result 12866 states and 18700 transitions. [2021-11-20 07:09:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:09:55,275 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2021-11-20 07:09:55,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:09:55,350 INFO L225 Difference]: With dead ends: 12866 [2021-11-20 07:09:55,350 INFO L226 Difference]: Without dead ends: 12864 [2021-11-20 07:09:55,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:09:55,362 INFO L933 BasicCegarLoop]: 7671 mSDtfsCounter, 9860 mSDsluCounter, 15620 mSDsCounter, 0 mSdLazyCounter, 6903 mSolverCounterSat, 4215 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10734 SdHoareTripleChecker+Valid, 23291 SdHoareTripleChecker+Invalid, 11127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4215 IncrementalHoareTripleChecker+Valid, 6903 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:09:55,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10734 Valid, 23291 Invalid, 11127 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4215 Valid, 6903 Invalid, 9 Unknown, 0 Unchecked, 57.8s Time] [2021-11-20 07:09:55,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12864 states. [2021-11-20 07:09:56,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12864 to 11793. [2021-11-20 07:09:56,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11793 states, 8038 states have (on average 1.288380194078129) internal successors, (10356), 8255 states have internal predecessors, (10356), 3074 states have call successors, (3074), 645 states have call predecessors, (3074), 679 states have return successors, (3459), 3029 states have call predecessors, (3459), 3074 states have call successors, (3459) [2021-11-20 07:09:56,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11793 states to 11793 states and 16889 transitions. [2021-11-20 07:09:56,345 INFO L78 Accepts]: Start accepts. Automaton has 11793 states and 16889 transitions. Word has length 162 [2021-11-20 07:09:56,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:09:56,346 INFO L470 AbstractCegarLoop]: Abstraction has 11793 states and 16889 transitions. [2021-11-20 07:09:56,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-20 07:09:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 11793 states and 16889 transitions. [2021-11-20 07:09:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-20 07:09:56,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:09:56,355 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:09:56,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 07:09:56,355 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2021-11-20 07:09:56,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:09:56,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1005423913, now seen corresponding path program 1 times [2021-11-20 07:09:56,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:09:56,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490126069] [2021-11-20 07:09:56,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:09:56,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:09:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:09:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:09:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:09:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:09:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:09:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:09:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:09:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:09:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:09:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:09:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:09:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:09:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:09:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:56,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:09:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:09:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:09:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:09:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 07:09:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 07:09:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:09:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:09:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 07:09:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:09:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:09:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:09:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 07:09:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 07:09:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:09:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-11-20 07:09:57,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:09:57,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490126069] [2021-11-20 07:09:57,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490126069] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:09:57,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:09:57,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:09:57,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283890379] [2021-11-20 07:09:57,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:09:57,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:09:57,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:09:57,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:09:57,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:09:57,363 INFO L87 Difference]: Start difference. First operand 11793 states and 16889 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-20 07:10:57,590 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:00,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:40,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:42,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:49,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:51,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:53,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:11:55,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:12:15,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:12:15,162 INFO L93 Difference]: Finished difference Result 17059 states and 25797 transitions. [2021-11-20 07:12:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 07:12:15,163 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 174 [2021-11-20 07:12:15,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:12:15,255 INFO L225 Difference]: With dead ends: 17059 [2021-11-20 07:12:15,255 INFO L226 Difference]: Without dead ends: 17057 [2021-11-20 07:12:15,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:12:15,265 INFO L933 BasicCegarLoop]: 7057 mSDtfsCounter, 13758 mSDsluCounter, 17931 mSDsCounter, 0 mSdLazyCounter, 22489 mSolverCounterSat, 10968 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 127.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14996 SdHoareTripleChecker+Valid, 24988 SdHoareTripleChecker+Invalid, 33464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 10968 IncrementalHoareTripleChecker+Valid, 22489 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 134.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:12:15,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14996 Valid, 24988 Invalid, 33464 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [10968 Valid, 22489 Invalid, 7 Unknown, 0 Unchecked, 134.7s Time] [2021-11-20 07:12:15,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17057 states. [2021-11-20 07:12:16,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17057 to 12976. [2021-11-20 07:12:16,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12976 states, 8834 states have (on average 1.2878650667874123) internal successors, (11377), 9071 states have internal predecessors, (11377), 3419 states have call successors, (3419), 645 states have call predecessors, (3419), 721 states have return successors, (3949), 3408 states have call predecessors, (3949), 3419 states have call successors, (3949) [2021-11-20 07:12:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12976 states to 12976 states and 18745 transitions. [2021-11-20 07:12:16,320 INFO L78 Accepts]: Start accepts. Automaton has 12976 states and 18745 transitions. Word has length 174 [2021-11-20 07:12:16,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:12:16,321 INFO L470 AbstractCegarLoop]: Abstraction has 12976 states and 18745 transitions. [2021-11-20 07:12:16,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-20 07:12:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 12976 states and 18745 transitions. [2021-11-20 07:12:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-20 07:12:16,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:12:16,327 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:12:16,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 07:12:16,328 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2021-11-20 07:12:16,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:12:16,328 INFO L85 PathProgramCache]: Analyzing trace with hash -2057845971, now seen corresponding path program 1 times [2021-11-20 07:12:16,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:12:16,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538355235] [2021-11-20 07:12:16,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:12:16,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:12:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:12:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:12:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:12:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:12:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:12:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:12:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:12:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:12:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:12:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:12:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:12:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:12:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:12:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:12:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:12:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:12:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:12:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 07:12:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 07:12:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:12:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:12:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-20 07:12:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:12:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:12:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:12:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 07:12:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:12:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-20 07:12:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-11-20 07:12:17,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:12:17,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538355235] [2021-11-20 07:12:17,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538355235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:12:17,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:12:17,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:12:17,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935736058] [2021-11-20 07:12:17,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:12:17,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:12:17,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:12:17,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:12:17,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:12:17,202 INFO L87 Difference]: Start difference. First operand 12976 states and 18745 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-20 07:13:11,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:13:42,019 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:13:46,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:13:49,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:14:03,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:14:03,066 INFO L93 Difference]: Finished difference Result 18074 states and 27463 transitions. [2021-11-20 07:14:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:14:03,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 185 [2021-11-20 07:14:03,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:14:03,151 INFO L225 Difference]: With dead ends: 18074 [2021-11-20 07:14:03,152 INFO L226 Difference]: Without dead ends: 18072 [2021-11-20 07:14:03,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:14:03,163 INFO L933 BasicCegarLoop]: 7350 mSDtfsCounter, 7606 mSDsluCounter, 19125 mSDsCounter, 0 mSdLazyCounter, 17025 mSolverCounterSat, 5614 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8395 SdHoareTripleChecker+Valid, 26475 SdHoareTripleChecker+Invalid, 22643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5614 IncrementalHoareTripleChecker+Valid, 17025 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:14:03,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8395 Valid, 26475 Invalid, 22643 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5614 Valid, 17025 Invalid, 4 Unknown, 0 Unchecked, 103.4s Time] [2021-11-20 07:14:03,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18072 states. [2021-11-20 07:14:04,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18072 to 13985. [2021-11-20 07:14:04,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13985 states, 9554 states have (on average 1.2894075779778102) internal successors, (12319), 9819 states have internal predecessors, (12319), 3681 states have call successors, (3681), 645 states have call predecessors, (3681), 748 states have return successors, (4319), 3680 states have call predecessors, (4319), 3681 states have call successors, (4319) [2021-11-20 07:14:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13985 states to 13985 states and 20319 transitions. [2021-11-20 07:14:04,521 INFO L78 Accepts]: Start accepts. Automaton has 13985 states and 20319 transitions. Word has length 185 [2021-11-20 07:14:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:14:04,521 INFO L470 AbstractCegarLoop]: Abstraction has 13985 states and 20319 transitions. [2021-11-20 07:14:04,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-20 07:14:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 13985 states and 20319 transitions. [2021-11-20 07:14:04,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-20 07:14:04,536 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:14:04,536 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:14:04,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 07:14:04,536 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2021-11-20 07:14:04,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:14:04,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1959775601, now seen corresponding path program 1 times [2021-11-20 07:14:04,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:14:04,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007625634] [2021-11-20 07:14:04,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:14:04,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:14:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-20 07:14:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-20 07:14:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:14:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:14:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:14:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 07:14:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:14:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 07:14:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:14:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:14:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:14:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:14:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:14:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:14:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:14:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:14:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:14:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 07:14:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 07:14:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 07:14:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:14:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 07:14:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-20 07:14:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:14:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-20 07:14:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-20 07:14:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-20 07:14:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:14:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:14:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:14:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-20 07:14:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:14:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:14:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:14:05,876 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2021-11-20 07:14:05,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:14:05,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007625634] [2021-11-20 07:14:05,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007625634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:14:05,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:14:05,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:14:05,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218828527] [2021-11-20 07:14:05,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:14:05,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:14:05,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:14:05,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:14:05,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:14:05,880 INFO L87 Difference]: Start difference. First operand 13985 states and 20319 transitions. Second operand has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 6 states have internal predecessors, (110), 3 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-20 07:15:33,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:15:37,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:15:39,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:15:42,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []