./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL --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 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:42:06,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:42:06,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:42:06,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:42:06,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:42:06,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:42:06,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:42:06,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:42:06,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:42:06,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:42:06,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:42:06,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:42:06,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:42:06,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:42:06,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:42:06,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:42:06,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:42:06,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:42:06,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:42:06,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:42:06,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:42:06,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:42:06,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:42:06,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:42:06,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:42:06,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:42:06,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:42:06,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:42:06,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:42:06,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:42:06,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:42:06,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:42:06,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:42:06,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:42:06,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:42:06,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:42:06,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:42:06,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:42:06,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:42:06,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:42:06,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:42:06,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-19 04:42:06,585 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:42:06,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:42:06,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:42:06,590 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:42:06,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:42:06,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:42:06,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:42:06,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:42:06,593 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:42:06,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:42:06,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:42:06,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:42:06,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:42:06,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:42:06,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:42:06,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:42:06,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:42:06,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:42:06,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:42:06,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:42:06,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:42:06,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:42:06,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:42:06,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:42:06,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:42:06,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:42:06,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:42:06,600 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:42:06,601 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:42:06,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:42:06,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:42:06,603 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_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 [2021-11-19 04:42:07,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:42:07,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:42:07,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:42:07,062 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:42:07,063 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:42:07,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-11-19 04:42:07,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/data/9dcef2237/7a37b45a485f4be1abcb4709a549cf21/FLAG57b4dbcda [2021-11-19 04:42:08,422 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:42:08,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-11-19 04:42:08,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/data/9dcef2237/7a37b45a485f4be1abcb4709a549cf21/FLAG57b4dbcda [2021-11-19 04:42:08,592 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/data/9dcef2237/7a37b45a485f4be1abcb4709a549cf21 [2021-11-19 04:42:08,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:42:08,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:42:08,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:42:08,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:42:08,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:42:08,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:42:08" (1/1) ... [2021-11-19 04:42:08,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4028426f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:08, skipping insertion in model container [2021-11-19 04:42:08,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:42:08" (1/1) ... [2021-11-19 04:42:08,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:42:08,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:42:14,309 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_aff3b1c3-a1a2-455a-9f29-3458d7602be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-11-19 04:42:14,312 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_aff3b1c3-a1a2-455a-9f29-3458d7602be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-11-19 04:42:14,312 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_aff3b1c3-a1a2-455a-9f29-3458d7602be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-11-19 04:42:14,313 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_aff3b1c3-a1a2-455a-9f29-3458d7602be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-11-19 04:42:14,357 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:42:14,405 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:42:15,275 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_aff3b1c3-a1a2-455a-9f29-3458d7602be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-11-19 04:42:15,277 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_aff3b1c3-a1a2-455a-9f29-3458d7602be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-11-19 04:42:15,279 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_aff3b1c3-a1a2-455a-9f29-3458d7602be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-11-19 04:42:15,279 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_aff3b1c3-a1a2-455a-9f29-3458d7602be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-11-19 04:42:15,299 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:42:15,773 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:42:15,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15 WrapperNode [2021-11-19 04:42:15,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:42:15,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:42:15,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:42:15,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:42:15,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15" (1/1) ... [2021-11-19 04:42:15,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15" (1/1) ... [2021-11-19 04:42:16,309 INFO L137 Inliner]: procedures = 614, calls = 2613, calls flagged for inlining = 322, calls inlined = 255, statements flattened = 7153 [2021-11-19 04:42:16,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:42:16,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:42:16,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:42:16,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:42:16,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15" (1/1) ... [2021-11-19 04:42:16,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15" (1/1) ... [2021-11-19 04:42:16,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15" (1/1) ... [2021-11-19 04:42:16,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15" (1/1) ... [2021-11-19 04:42:16,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15" (1/1) ... [2021-11-19 04:42:16,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15" (1/1) ... [2021-11-19 04:42:16,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15" (1/1) ... [2021-11-19 04:42:16,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:42:16,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:42:16,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:42:16,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:42:16,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15" (1/1) ... [2021-11-19 04:42:16,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:42:16,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:42:16,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:42:16,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff3b1c3-a1a2-455a-9f29-3458d7602be6/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:42:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2021-11-19 04:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2021-11-19 04:42:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-19 04:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-19 04:42:16,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 04:42:16,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 04:42:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 04:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 04:42:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2021-11-19 04:42:16,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2021-11-19 04:42:16,976 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2021-11-19 04:42:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2021-11-19 04:42:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2021-11-19 04:42:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2021-11-19 04:42:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-19 04:42:16,977 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-19 04:42:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 04:42:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 04:42:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2021-11-19 04:42:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2021-11-19 04:42:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-19 04:42:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-19 04:42:16,979 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 04:42:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 04:42:16,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 04:42:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 04:42:16,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:42:16,980 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2021-11-19 04:42:16,980 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2021-11-19 04:42:16,980 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 04:42:16,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 04:42:16,981 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-11-19 04:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-11-19 04:42:16,981 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 04:42:16,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 04:42:16,981 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-11-19 04:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-11-19 04:42:16,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-19 04:42:16,982 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 04:42:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 04:42:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2021-11-19 04:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2021-11-19 04:42:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-19 04:42:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2021-11-19 04:42:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2021-11-19 04:42:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 04:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 04:42:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2021-11-19 04:42:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2021-11-19 04:42:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:42:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 04:42:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 04:42:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-11-19 04:42:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-11-19 04:42:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2021-11-19 04:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2021-11-19 04:42:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-19 04:42:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-19 04:42:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-19 04:42:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-19 04:42:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-19 04:42:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-19 04:42:16,987 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-19 04:42:16,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-19 04:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 04:42:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 04:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:42:16,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 04:42:16,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 04:42:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 04:42:16,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 04:42:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 04:42:16,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 04:42:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 04:42:16,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 04:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 04:42:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-11-19 04:42:16,991 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-11-19 04:42:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-19 04:42:16,991 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-19 04:42:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 04:42:16,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 04:42:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2021-11-19 04:42:16,992 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2021-11-19 04:42:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2021-11-19 04:42:16,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2021-11-19 04:42:16,992 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 04:42:16,993 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 04:42:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 04:42:16,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 04:42:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2021-11-19 04:42:16,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2021-11-19 04:42:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2021-11-19 04:42:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2021-11-19 04:42:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 04:42:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 04:42:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-11-19 04:42:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-11-19 04:42:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:42:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:42:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-11-19 04:42:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-11-19 04:42:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 04:42:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 04:42:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2021-11-19 04:42:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2021-11-19 04:42:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-19 04:42:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-19 04:42:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 04:42:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2021-11-19 04:42:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2021-11-19 04:42:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 04:42:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 04:42:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 04:42:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 04:42:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 04:42:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 04:42:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 04:42:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 04:42:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-19 04:42:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-19 04:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2021-11-19 04:42:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2021-11-19 04:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-19 04:42:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-19 04:42:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-19 04:42:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-19 04:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 04:42:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 04:42:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2021-11-19 04:42:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2021-11-19 04:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-19 04:42:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-19 04:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2021-11-19 04:42:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2021-11-19 04:42:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 04:42:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 04:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-19 04:42:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-19 04:42:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2021-11-19 04:42:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2021-11-19 04:42:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:42:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2021-11-19 04:42:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2021-11-19 04:42:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 04:42:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 04:42:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 04:42:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2021-11-19 04:42:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2021-11-19 04:42:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-19 04:42:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-19 04:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2021-11-19 04:42:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2021-11-19 04:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 04:42:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 04:42:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2021-11-19 04:42:17,007 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2021-11-19 04:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2021-11-19 04:42:17,007 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2021-11-19 04:42:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 04:42:17,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 04:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2021-11-19 04:42:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2021-11-19 04:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2021-11-19 04:42:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2021-11-19 04:42:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 04:42:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 04:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 04:42:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 04:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 04:42:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 04:42:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-19 04:42:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-19 04:42:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2021-11-19 04:42:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2021-11-19 04:42:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 04:42:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 04:42:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2021-11-19 04:42:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2021-11-19 04:42:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:42:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2021-11-19 04:42:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2021-11-19 04:42:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2021-11-19 04:42:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2021-11-19 04:42:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2021-11-19 04:42:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2021-11-19 04:42:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 04:42:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 04:42:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2021-11-19 04:42:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2021-11-19 04:42:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-11-19 04:42:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-11-19 04:42:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2021-11-19 04:42:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2021-11-19 04:42:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 04:42:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 04:42:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-19 04:42:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-19 04:42:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 04:42:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 04:42:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-19 04:42:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-19 04:42:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-19 04:42:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-19 04:42:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-19 04:42:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-19 04:42:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-19 04:42:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-19 04:42:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 04:42:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 04:42:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-19 04:42:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-19 04:42:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2021-11-19 04:42:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2021-11-19 04:42:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2021-11-19 04:42:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2021-11-19 04:42:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2021-11-19 04:42:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2021-11-19 04:42:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 04:42:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 04:42:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-19 04:42:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-19 04:42:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2021-11-19 04:42:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2021-11-19 04:42:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:42:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 04:42:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 04:42:18,164 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:42:18,169 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:42:18,726 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 04:42:24,040 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 04:42:24,125 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:42:24,165 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:42:24,165 INFO L301 CfgBuilder]: Removed 20 assume(true) statements. [2021-11-19 04:42:24,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:42:24 BoogieIcfgContainer [2021-11-19 04:42:24,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:42:24,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:42:24,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:42:24,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:42:24,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:42:08" (1/3) ... [2021-11-19 04:42:24,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4517a7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:42:24, skipping insertion in model container [2021-11-19 04:42:24,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:42:15" (2/3) ... [2021-11-19 04:42:24,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4517a7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:42:24, skipping insertion in model container [2021-11-19 04:42:24,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:42:24" (3/3) ... [2021-11-19 04:42:24,189 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-11-19 04:42:24,196 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:42:24,197 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 04:42:24,284 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:42:24,291 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 [2021-11-19 04:42:24,292 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 04:42:24,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 2235 states, 1646 states have (on average 1.3578371810449574) internal successors, (2235), 1682 states have internal predecessors, (2235), 481 states have call successors, (481), 106 states have call predecessors, (481), 105 states have return successors, (474), 473 states have call predecessors, (474), 474 states have call successors, (474) [2021-11-19 04:42:24,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-19 04:42:24,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:42:24,432 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:42:24,433 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)] === [2021-11-19 04:42:24,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:42:24,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1109704787, now seen corresponding path program 1 times [2021-11-19 04:42:24,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:42:24,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836692616] [2021-11-19 04:42:24,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:42:24,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:42:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:42:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:42:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:42:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:42:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:42:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:42:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:42:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:42:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:42:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:42:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:42:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:42:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:42:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:42:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:42:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:42:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:42:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:42:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:42:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:42:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:42:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:42:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:42:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:42:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:42:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:42:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:42:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:42:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-19 04:42:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-19 04:42:26,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:42:26,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836692616] [2021-11-19 04:42:26,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836692616] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:42:26,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:42:26,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:42:26,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382302736] [2021-11-19 04:42:26,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:42:26,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:42:26,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:42:26,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:42:26,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:42:26,657 INFO L87 Difference]: Start difference. First operand has 2235 states, 1646 states have (on average 1.3578371810449574) internal successors, (2235), 1682 states have internal predecessors, (2235), 481 states have call successors, (481), 106 states have call predecessors, (481), 105 states have return successors, (474), 473 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 04:42:32,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:42:32,729 INFO L93 Difference]: Finished difference Result 6313 states and 9153 transitions. [2021-11-19 04:42:32,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:42:32,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 327 [2021-11-19 04:42:32,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:42:32,821 INFO L225 Difference]: With dead ends: 6313 [2021-11-19 04:42:32,821 INFO L226 Difference]: Without dead ends: 4126 [2021-11-19 04:42:32,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:42:32,866 INFO L933 BasicCegarLoop]: 3179 mSDtfsCounter, 3622 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 1206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3999 SdHoareTripleChecker+Valid, 6734 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1206 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-19 04:42:32,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3999 Valid, 6734 Invalid, 2916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1206 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-11-19 04:42:32,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2021-11-19 04:42:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4110. [2021-11-19 04:42:33,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 3019 states have (on average 1.3176548526001988) internal successors, (3978), 3089 states have internal predecessors, (3978), 882 states have call successors, (882), 207 states have call predecessors, (882), 206 states have return successors, (878), 876 states have call predecessors, (878), 878 states have call successors, (878) [2021-11-19 04:42:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 5738 transitions. [2021-11-19 04:42:33,416 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 5738 transitions. Word has length 327 [2021-11-19 04:42:33,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:42:33,425 INFO L470 AbstractCegarLoop]: Abstraction has 4110 states and 5738 transitions. [2021-11-19 04:42:33,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 04:42:33,426 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 5738 transitions. [2021-11-19 04:42:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-19 04:42:33,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:42:33,444 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:42:33,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:42:33,449 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:42:33,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:42:33,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1988374258, now seen corresponding path program 1 times [2021-11-19 04:42:33,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:42:33,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438955828] [2021-11-19 04:42:33,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:42:33,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:42:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:33,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:42:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:42:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:42:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:42:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:42:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:42:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:42:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:42:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:42:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:42:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:42:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:42:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:42:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:42:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:42:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:42:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:42:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:42:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:42:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:42:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:42:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:42:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:42:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:42:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:42:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:42:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:42:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:42:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-19 04:42:34,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:42:34,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438955828] [2021-11-19 04:42:34,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438955828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:42:34,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:42:34,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:42:34,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390388229] [2021-11-19 04:42:34,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:42:34,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:42:34,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:42:34,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:42:34,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:42:34,695 INFO L87 Difference]: Start difference. First operand 4110 states and 5738 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-19 04:42:40,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:42:40,192 INFO L93 Difference]: Finished difference Result 12120 states and 16977 transitions. [2021-11-19 04:42:40,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:42:40,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 326 [2021-11-19 04:42:40,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:42:40,282 INFO L225 Difference]: With dead ends: 12120 [2021-11-19 04:42:40,282 INFO L226 Difference]: Without dead ends: 8069 [2021-11-19 04:42:40,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:42:40,313 INFO L933 BasicCegarLoop]: 3323 mSDtfsCounter, 3559 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 1236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3934 SdHoareTripleChecker+Valid, 6986 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1236 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:42:40,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3934 Valid, 6986 Invalid, 2900 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1236 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-19 04:42:40,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8069 states. [2021-11-19 04:42:40,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8069 to 8013. [2021-11-19 04:42:40,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8013 states, 5904 states have (on average 1.3199525745257452) internal successors, (7793), 6044 states have internal predecessors, (7793), 1699 states have call successors, (1699), 410 states have call predecessors, (1699), 407 states have return successors, (1711), 1682 states have call predecessors, (1711), 1695 states have call successors, (1711) [2021-11-19 04:42:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8013 states to 8013 states and 11203 transitions. [2021-11-19 04:42:40,909 INFO L78 Accepts]: Start accepts. Automaton has 8013 states and 11203 transitions. Word has length 326 [2021-11-19 04:42:40,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:42:40,912 INFO L470 AbstractCegarLoop]: Abstraction has 8013 states and 11203 transitions. [2021-11-19 04:42:40,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-19 04:42:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 8013 states and 11203 transitions. [2021-11-19 04:42:40,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-19 04:42:40,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:42:40,929 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 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] [2021-11-19 04:42:40,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 04:42:40,929 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:42:40,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:42:40,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1875553454, now seen corresponding path program 1 times [2021-11-19 04:42:40,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:42:40,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593945981] [2021-11-19 04:42:40,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:42:40,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:42:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:42:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:42:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:42:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:42:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:42:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:42:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:42:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:42:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:42:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:42:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:42:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:42:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:42:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:42:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:42:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:42:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:42:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:42:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:42:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:42:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:42:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:42:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:42:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:42:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:42:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:42:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:42:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:42:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:41,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-19 04:42:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:42:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-19 04:42:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-19 04:42:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-19 04:42:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:42,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-19 04:42:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2021-11-19 04:42:42,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:42:42,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593945981] [2021-11-19 04:42:42,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593945981] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:42:42,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:42:42,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:42:42,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615678756] [2021-11-19 04:42:42,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:42:42,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:42:42,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:42:42,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:42:42,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:42:42,060 INFO L87 Difference]: Start difference. First operand 8013 states and 11203 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-19 04:42:46,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:42:46,516 INFO L93 Difference]: Finished difference Result 15961 states and 22264 transitions. [2021-11-19 04:42:46,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:42:46,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 360 [2021-11-19 04:42:46,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:42:46,597 INFO L225 Difference]: With dead ends: 15961 [2021-11-19 04:42:46,597 INFO L226 Difference]: Without dead ends: 8007 [2021-11-19 04:42:46,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:42:46,650 INFO L933 BasicCegarLoop]: 3093 mSDtfsCounter, 2104 mSDsluCounter, 3506 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2356 SdHoareTripleChecker+Valid, 6599 SdHoareTripleChecker+Invalid, 2384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 824 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-19 04:42:46,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2356 Valid, 6599 Invalid, 2384 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [824 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-19 04:42:46,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8007 states. [2021-11-19 04:42:47,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8007 to 7941. [2021-11-19 04:42:47,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7941 states, 5916 states have (on average 1.3125422582826234) internal successors, (7765), 6043 states have internal predecessors, (7765), 1605 states have call successors, (1605), 421 states have call predecessors, (1605), 417 states have return successors, (1613), 1581 states have call predecessors, (1613), 1601 states have call successors, (1613) [2021-11-19 04:42:47,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7941 states to 7941 states and 10983 transitions. [2021-11-19 04:42:47,128 INFO L78 Accepts]: Start accepts. Automaton has 7941 states and 10983 transitions. Word has length 360 [2021-11-19 04:42:47,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:42:47,133 INFO L470 AbstractCegarLoop]: Abstraction has 7941 states and 10983 transitions. [2021-11-19 04:42:47,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-19 04:42:47,135 INFO L276 IsEmpty]: Start isEmpty. Operand 7941 states and 10983 transitions. [2021-11-19 04:42:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-19 04:42:47,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:42:47,148 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:42:47,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:42:47,148 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)] === [2021-11-19 04:42:47,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:42:47,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1353308096, now seen corresponding path program 1 times [2021-11-19 04:42:47,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:42:47,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859052704] [2021-11-19 04:42:47,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:42:47,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:42:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:42:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:42:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:42:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:42:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:42:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:42:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:42:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:42:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:42:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:42:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:42:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:42:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:42:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:42:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:42:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:42:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:42:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:42:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:42:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:42:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:42:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:42:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:42:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:42:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:42:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:42:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:42:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:42:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:42:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:42:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:42:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:42:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:42:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:48,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3435 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3423 trivial. 0 not checked. [2021-11-19 04:42:48,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:42:48,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859052704] [2021-11-19 04:42:48,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859052704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:42:48,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:42:48,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:42:48,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892859673] [2021-11-19 04:42:48,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:42:48,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:42:48,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:42:48,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:42:48,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:42:48,264 INFO L87 Difference]: Start difference. First operand 7941 states and 10983 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-19 04:42:53,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:42:53,026 INFO L93 Difference]: Finished difference Result 19783 states and 27469 transitions. [2021-11-19 04:42:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:42:53,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 373 [2021-11-19 04:42:53,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:42:53,137 INFO L225 Difference]: With dead ends: 19783 [2021-11-19 04:42:53,137 INFO L226 Difference]: Without dead ends: 13715 [2021-11-19 04:42:53,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:42:53,171 INFO L933 BasicCegarLoop]: 5059 mSDtfsCounter, 3129 mSDsluCounter, 4653 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 872 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3499 SdHoareTripleChecker+Valid, 9712 SdHoareTripleChecker+Invalid, 2654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 872 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-19 04:42:53,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3499 Valid, 9712 Invalid, 2654 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [872 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-19 04:42:53,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13715 states. [2021-11-19 04:42:53,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13715 to 13651. [2021-11-19 04:42:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13651 states, 10186 states have (on average 1.3151384252896132) internal successors, (13396), 10399 states have internal predecessors, (13396), 2745 states have call successors, (2745), 722 states have call predecessors, (2745), 717 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-11-19 04:42:53,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13651 states to 13651 states and 18904 transitions. [2021-11-19 04:42:53,927 INFO L78 Accepts]: Start accepts. Automaton has 13651 states and 18904 transitions. Word has length 373 [2021-11-19 04:42:53,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:42:53,928 INFO L470 AbstractCegarLoop]: Abstraction has 13651 states and 18904 transitions. [2021-11-19 04:42:53,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-19 04:42:53,929 INFO L276 IsEmpty]: Start isEmpty. Operand 13651 states and 18904 transitions. [2021-11-19 04:42:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-19 04:42:53,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:42:53,944 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:42:53,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 04:42:53,945 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)] === [2021-11-19 04:42:53,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:42:53,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1018431166, now seen corresponding path program 1 times [2021-11-19 04:42:53,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:42:53,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782480722] [2021-11-19 04:42:53,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:42:53,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:42:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:42:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:42:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:42:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:42:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:42:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:42:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:42:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:42:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:42:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:42:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:42:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:42:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:42:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:42:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:42:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:42:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:42:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:42:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:42:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:42:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:42:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:42:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:42:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:42:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:42:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:42:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:42:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:42:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:42:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:42:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:42:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:42:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:42:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2021-11-19 04:42:55,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:42:55,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782480722] [2021-11-19 04:42:55,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782480722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:42:55,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:42:55,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:42:55,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105279275] [2021-11-19 04:42:55,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:42:55,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:42:55,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:42:55,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:42:55,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:42:55,420 INFO L87 Difference]: Start difference. First operand 13651 states and 18904 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, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-19 04:42:59,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:42:59,688 INFO L93 Difference]: Finished difference Result 13717 states and 19032 transitions. [2021-11-19 04:42:59,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:42:59,689 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, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 373 [2021-11-19 04:42:59,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:42:59,772 INFO L225 Difference]: With dead ends: 13717 [2021-11-19 04:42:59,773 INFO L226 Difference]: Without dead ends: 13715 [2021-11-19 04:42:59,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:42:59,785 INFO L933 BasicCegarLoop]: 2846 mSDtfsCounter, 3055 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3317 SdHoareTripleChecker+Valid, 8588 SdHoareTripleChecker+Invalid, 2926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 829 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-19 04:42:59,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3317 Valid, 8588 Invalid, 2926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [829 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-19 04:42:59,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13715 states. [2021-11-19 04:43:00,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13715 to 13655. [2021-11-19 04:43:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13655 states, 10189 states have (on average 1.3150456374521542) internal successors, (13399), 10402 states have internal predecessors, (13399), 2745 states have call successors, (2745), 723 states have call predecessors, (2745), 718 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-11-19 04:43:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13655 states to 13655 states and 18907 transitions. [2021-11-19 04:43:00,567 INFO L78 Accepts]: Start accepts. Automaton has 13655 states and 18907 transitions. Word has length 373 [2021-11-19 04:43:00,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:00,570 INFO L470 AbstractCegarLoop]: Abstraction has 13655 states and 18907 transitions. [2021-11-19 04:43:00,571 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, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-19 04:43:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 13655 states and 18907 transitions. [2021-11-19 04:43:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-11-19 04:43:00,580 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:00,581 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 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] [2021-11-19 04:43:00,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 04:43:00,581 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)] === [2021-11-19 04:43:00,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:00,582 INFO L85 PathProgramCache]: Analyzing trace with hash 286315605, now seen corresponding path program 1 times [2021-11-19 04:43:00,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:00,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324987206] [2021-11-19 04:43:00,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:00,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:43:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:43:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:43:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:43:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:43:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:43:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:43:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:43:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:43:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:43:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:43:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:43:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:43:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:43:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:43:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:43:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:43:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:43:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:43:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:43:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3437 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2021-11-19 04:43:01,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:43:01,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324987206] [2021-11-19 04:43:01,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324987206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:43:01,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:43:01,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:43:01,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084369304] [2021-11-19 04:43:01,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:43:01,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:43:01,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:43:01,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:43:01,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:43:01,849 INFO L87 Difference]: Start difference. First operand 13655 states and 18907 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-19 04:43:05,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:05,515 INFO L93 Difference]: Finished difference Result 13721 states and 19035 transitions. [2021-11-19 04:43:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:43:05,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 378 [2021-11-19 04:43:05,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:43:05,593 INFO L225 Difference]: With dead ends: 13721 [2021-11-19 04:43:05,593 INFO L226 Difference]: Without dead ends: 13719 [2021-11-19 04:43:05,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:43:05,605 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 828 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 828 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-19 04:43:05,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [828 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-19 04:43:05,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13719 states. [2021-11-19 04:43:06,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13719 to 13659. [2021-11-19 04:43:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13659 states, 10192 states have (on average 1.3149529042386185) internal successors, (13402), 10405 states have internal predecessors, (13402), 2745 states have call successors, (2745), 724 states have call predecessors, (2745), 719 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-11-19 04:43:06,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13659 states to 13659 states and 18910 transitions. [2021-11-19 04:43:06,447 INFO L78 Accepts]: Start accepts. Automaton has 13659 states and 18910 transitions. Word has length 378 [2021-11-19 04:43:06,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:06,448 INFO L470 AbstractCegarLoop]: Abstraction has 13659 states and 18910 transitions. [2021-11-19 04:43:06,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-19 04:43:06,449 INFO L276 IsEmpty]: Start isEmpty. Operand 13659 states and 18910 transitions. [2021-11-19 04:43:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-19 04:43:06,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:06,458 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:43:06,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 04:43:06,459 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)] === [2021-11-19 04:43:06,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:06,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1817836318, now seen corresponding path program 1 times [2021-11-19 04:43:06,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:06,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929107834] [2021-11-19 04:43:06,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:06,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:43:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:43:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:43:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:43:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:43:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:43:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:43:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:43:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:43:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:43:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:43:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:43:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:43:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:43:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:43:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:43:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:43:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:43:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:43:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:43:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:43:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3443 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3439 trivial. 0 not checked. [2021-11-19 04:43:07,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:43:07,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929107834] [2021-11-19 04:43:07,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929107834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:43:07,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:43:07,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:43:07,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087145391] [2021-11-19 04:43:07,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:43:07,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:43:07,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:43:07,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:43:07,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:43:07,675 INFO L87 Difference]: Start difference. First operand 13659 states and 18910 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-19 04:43:11,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:11,096 INFO L93 Difference]: Finished difference Result 13725 states and 19038 transitions. [2021-11-19 04:43:11,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:43:11,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 383 [2021-11-19 04:43:11,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:43:11,172 INFO L225 Difference]: With dead ends: 13725 [2021-11-19 04:43:11,172 INFO L226 Difference]: Without dead ends: 13723 [2021-11-19 04:43:11,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:43:11,182 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 827 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 827 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:43:11,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [827 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-19 04:43:11,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13723 states. [2021-11-19 04:43:11,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13723 to 13663. [2021-11-19 04:43:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13663 states, 10195 states have (on average 1.3148602256007846) internal successors, (13405), 10408 states have internal predecessors, (13405), 2745 states have call successors, (2745), 725 states have call predecessors, (2745), 720 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-11-19 04:43:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13663 states to 13663 states and 18913 transitions. [2021-11-19 04:43:11,829 INFO L78 Accepts]: Start accepts. Automaton has 13663 states and 18913 transitions. Word has length 383 [2021-11-19 04:43:11,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:11,830 INFO L470 AbstractCegarLoop]: Abstraction has 13663 states and 18913 transitions. [2021-11-19 04:43:11,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-19 04:43:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 13663 states and 18913 transitions. [2021-11-19 04:43:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-11-19 04:43:11,841 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:11,841 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:43:11,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 04:43:11,842 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)] === [2021-11-19 04:43:11,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:11,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1065827381, now seen corresponding path program 1 times [2021-11-19 04:43:11,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:11,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621355341] [2021-11-19 04:43:11,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:11,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:43:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:43:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:43:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:12,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:43:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:43:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:43:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:43:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:43:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:43:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:43:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:43:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:43:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:43:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:43:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:43:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:43:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:43:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:43:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:43:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:43:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:43:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-19 04:43:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3453 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3447 trivial. 0 not checked. [2021-11-19 04:43:13,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:43:13,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621355341] [2021-11-19 04:43:13,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621355341] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:43:13,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:43:13,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:43:13,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286956434] [2021-11-19 04:43:13,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:43:13,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:43:13,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:43:13,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:43:13,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:43:13,529 INFO L87 Difference]: Start difference. First operand 13663 states and 18913 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-19 04:43:17,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:17,510 INFO L93 Difference]: Finished difference Result 13729 states and 19041 transitions. [2021-11-19 04:43:17,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:43:17,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 388 [2021-11-19 04:43:17,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:43:17,587 INFO L225 Difference]: With dead ends: 13729 [2021-11-19 04:43:17,588 INFO L226 Difference]: Without dead ends: 13727 [2021-11-19 04:43:17,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:43:17,598 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 826 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-19 04:43:17,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [826 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-19 04:43:17,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13727 states. [2021-11-19 04:43:18,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13727 to 13667. [2021-11-19 04:43:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13667 states, 10198 states have (on average 1.3147676014904883) internal successors, (13408), 10411 states have internal predecessors, (13408), 2745 states have call successors, (2745), 726 states have call predecessors, (2745), 721 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-11-19 04:43:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13667 states to 13667 states and 18916 transitions. [2021-11-19 04:43:18,340 INFO L78 Accepts]: Start accepts. Automaton has 13667 states and 18916 transitions. Word has length 388 [2021-11-19 04:43:18,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:18,342 INFO L470 AbstractCegarLoop]: Abstraction has 13667 states and 18916 transitions. [2021-11-19 04:43:18,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-19 04:43:18,342 INFO L276 IsEmpty]: Start isEmpty. Operand 13667 states and 18916 transitions. [2021-11-19 04:43:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-11-19 04:43:18,355 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:18,355 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:43:18,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 04:43:18,356 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)] === [2021-11-19 04:43:18,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:18,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1448917494, now seen corresponding path program 1 times [2021-11-19 04:43:18,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:18,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728298152] [2021-11-19 04:43:18,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:18,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:43:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:43:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:43:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:43:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:43:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:43:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:43:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:43:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:43:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:43:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:43:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:43:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:43:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:43:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:43:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:43:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:43:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:43:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-19 04:43:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-19 04:43:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:43:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 04:43:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-19 04:43:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-19 04:43:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-19 04:43:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-19 04:43:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3472 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3459 trivial. 0 not checked. [2021-11-19 04:43:19,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:43:19,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728298152] [2021-11-19 04:43:19,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728298152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:43:19,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:43:19,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:43:19,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842630525] [2021-11-19 04:43:19,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:43:19,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:43:19,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:43:19,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:43:19,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:43:19,406 INFO L87 Difference]: Start difference. First operand 13667 states and 18916 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-19 04:43:30,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:30,441 INFO L93 Difference]: Finished difference Result 31300 states and 43429 transitions. [2021-11-19 04:43:30,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 04:43:30,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 406 [2021-11-19 04:43:30,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:43:30,546 INFO L225 Difference]: With dead ends: 31300 [2021-11-19 04:43:30,547 INFO L226 Difference]: Without dead ends: 19506 [2021-11-19 04:43:30,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-19 04:43:30,599 INFO L933 BasicCegarLoop]: 5115 mSDtfsCounter, 4172 mSDsluCounter, 3212 mSDsCounter, 0 mSdLazyCounter, 5099 mSolverCounterSat, 2264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 8327 SdHoareTripleChecker+Invalid, 7363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2264 IncrementalHoareTripleChecker+Valid, 5099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:43:30,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4481 Valid, 8327 Invalid, 7363 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2264 Valid, 5099 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2021-11-19 04:43:30,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19506 states. [2021-11-19 04:43:31,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19506 to 19381. [2021-11-19 04:43:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19381 states, 14472 states have (on average 1.3158512990602542) internal successors, (19043), 14771 states have internal predecessors, (19043), 3885 states have call successors, (3885), 1027 states have call predecessors, (3885), 1021 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-11-19 04:43:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19381 states to 19381 states and 26841 transitions. [2021-11-19 04:43:31,774 INFO L78 Accepts]: Start accepts. Automaton has 19381 states and 26841 transitions. Word has length 406 [2021-11-19 04:43:31,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:31,775 INFO L470 AbstractCegarLoop]: Abstraction has 19381 states and 26841 transitions. [2021-11-19 04:43:31,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-19 04:43:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 19381 states and 26841 transitions. [2021-11-19 04:43:31,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-11-19 04:43:31,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:31,790 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:43:31,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 04:43:31,791 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)] === [2021-11-19 04:43:31,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:31,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1083160706, now seen corresponding path program 1 times [2021-11-19 04:43:31,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:31,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905525777] [2021-11-19 04:43:31,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:31,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:43:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:43:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:43:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:43:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:43:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:43:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:43:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:43:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:43:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:43:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:43:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:43:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:43:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:43:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:43:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:43:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:43:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:43:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:43:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:43:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:43:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-19 04:43:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-19 04:43:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:32,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3467 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3459 trivial. 0 not checked. [2021-11-19 04:43:32,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:43:32,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905525777] [2021-11-19 04:43:32,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905525777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:43:32,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:43:32,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:43:32,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188976675] [2021-11-19 04:43:32,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:43:32,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:43:32,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:43:32,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:43:32,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:43:32,859 INFO L87 Difference]: Start difference. First operand 19381 states and 26841 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-19 04:43:36,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:36,489 INFO L93 Difference]: Finished difference Result 19471 states and 27009 transitions. [2021-11-19 04:43:36,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:43:36,490 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 393 [2021-11-19 04:43:36,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:43:36,582 INFO L225 Difference]: With dead ends: 19471 [2021-11-19 04:43:36,582 INFO L226 Difference]: Without dead ends: 19469 [2021-11-19 04:43:36,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:43:36,596 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 825 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:43:36,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [825 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 04:43:36,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19469 states. [2021-11-19 04:43:37,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19469 to 19385. [2021-11-19 04:43:37,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19385 states, 14475 states have (on average 1.3157858376511227) internal successors, (19046), 14774 states have internal predecessors, (19046), 3885 states have call successors, (3885), 1028 states have call predecessors, (3885), 1022 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-11-19 04:43:37,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19385 states to 19385 states and 26844 transitions. [2021-11-19 04:43:37,763 INFO L78 Accepts]: Start accepts. Automaton has 19385 states and 26844 transitions. Word has length 393 [2021-11-19 04:43:37,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:37,765 INFO L470 AbstractCegarLoop]: Abstraction has 19385 states and 26844 transitions. [2021-11-19 04:43:37,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-19 04:43:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 19385 states and 26844 transitions. [2021-11-19 04:43:37,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-19 04:43:37,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:37,777 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:43:37,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 04:43:37,777 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)] === [2021-11-19 04:43:37,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:37,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1057555435, now seen corresponding path program 1 times [2021-11-19 04:43:37,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:37,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223656847] [2021-11-19 04:43:37,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:37,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:43:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:43:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:43:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:43:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:43:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:43:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:43:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:43:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:43:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:43:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:43:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:43:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:43:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:43:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:43:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:43:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:43:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:43:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:43:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:43:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:43:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-19 04:43:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-19 04:43:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-19 04:43:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:38,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3485 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3475 trivial. 0 not checked. [2021-11-19 04:43:38,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:43:38,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223656847] [2021-11-19 04:43:38,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223656847] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:43:38,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:43:38,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:43:38,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34024696] [2021-11-19 04:43:38,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:43:38,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:43:38,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:43:38,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:43:38,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:43:38,911 INFO L87 Difference]: Start difference. First operand 19385 states and 26844 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-19 04:43:42,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:42,331 INFO L93 Difference]: Finished difference Result 19475 states and 27012 transitions. [2021-11-19 04:43:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:43:42,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 398 [2021-11-19 04:43:42,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:43:42,418 INFO L225 Difference]: With dead ends: 19475 [2021-11-19 04:43:42,418 INFO L226 Difference]: Without dead ends: 19473 [2021-11-19 04:43:42,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:43:42,427 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 824 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 04:43:42,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [824 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 04:43:42,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19473 states. [2021-11-19 04:43:43,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19473 to 19389. [2021-11-19 04:43:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19389 states, 14478 states have (on average 1.3157204033706313) internal successors, (19049), 14777 states have internal predecessors, (19049), 3885 states have call successors, (3885), 1029 states have call predecessors, (3885), 1023 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-11-19 04:43:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19389 states to 19389 states and 26847 transitions. [2021-11-19 04:43:43,586 INFO L78 Accepts]: Start accepts. Automaton has 19389 states and 26847 transitions. Word has length 398 [2021-11-19 04:43:43,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:43,587 INFO L470 AbstractCegarLoop]: Abstraction has 19389 states and 26847 transitions. [2021-11-19 04:43:43,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-19 04:43:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 19389 states and 26847 transitions. [2021-11-19 04:43:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-11-19 04:43:43,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:43,601 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:43:43,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-19 04:43:43,601 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)] === [2021-11-19 04:43:43,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:43,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1198058462, now seen corresponding path program 1 times [2021-11-19 04:43:43,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:43,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487045588] [2021-11-19 04:43:43,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:43,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:43,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:43:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:43:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:43:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:43:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:43:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:43:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:43:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:43:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:43:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:43:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:43:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:43:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:43:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:43:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:43:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:43:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:43:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:43:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:43:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:43:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:43:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-19 04:43:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-19 04:43:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-19 04:43:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-19 04:43:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3495 trivial. 0 not checked. [2021-11-19 04:43:44,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:43:44,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487045588] [2021-11-19 04:43:44,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487045588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:43:44,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:43:44,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:43:44,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239414010] [2021-11-19 04:43:44,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:43:44,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:43:44,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:43:44,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:43:44,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:43:44,711 INFO L87 Difference]: Start difference. First operand 19389 states and 26847 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-19 04:43:48,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:48,200 INFO L93 Difference]: Finished difference Result 19479 states and 27015 transitions. [2021-11-19 04:43:48,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:43:48,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 403 [2021-11-19 04:43:48,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:43:48,291 INFO L225 Difference]: With dead ends: 19479 [2021-11-19 04:43:48,291 INFO L226 Difference]: Without dead ends: 19477 [2021-11-19 04:43:48,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:43:48,307 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 823 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 823 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:43:48,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [823 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 04:43:48,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19477 states. [2021-11-19 04:43:49,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19477 to 19393. [2021-11-19 04:43:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19393 states, 14481 states have (on average 1.3156549962019197) internal successors, (19052), 14780 states have internal predecessors, (19052), 3885 states have call successors, (3885), 1030 states have call predecessors, (3885), 1024 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-11-19 04:43:49,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19393 states to 19393 states and 26850 transitions. [2021-11-19 04:43:49,437 INFO L78 Accepts]: Start accepts. Automaton has 19393 states and 26850 transitions. Word has length 403 [2021-11-19 04:43:49,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:49,438 INFO L470 AbstractCegarLoop]: Abstraction has 19393 states and 26850 transitions. [2021-11-19 04:43:49,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-19 04:43:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 19393 states and 26850 transitions. [2021-11-19 04:43:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-11-19 04:43:49,452 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:49,452 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 8, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:43:49,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 04:43:49,453 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)] === [2021-11-19 04:43:49,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:49,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1886252043, now seen corresponding path program 1 times [2021-11-19 04:43:49,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:49,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438931211] [2021-11-19 04:43:49,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:49,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:43:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:49,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:43:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:43:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:43:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:43:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:43:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:43:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:43:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:43:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:43:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:43:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:43:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:43:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:43:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:43:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:43:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:43:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:43:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:43:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:43:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:43:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-19 04:43:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-19 04:43:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-19 04:43:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-19 04:43:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-19 04:43:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3533 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3519 trivial. 0 not checked. [2021-11-19 04:43:50,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:43:50,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438931211] [2021-11-19 04:43:50,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438931211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:43:50,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:43:50,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:43:50,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969760847] [2021-11-19 04:43:50,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:43:50,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:43:50,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:43:50,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:43:50,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:43:50,405 INFO L87 Difference]: Start difference. First operand 19393 states and 26850 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-19 04:43:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:54,192 INFO L93 Difference]: Finished difference Result 20984 states and 28843 transitions. [2021-11-19 04:43:54,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 04:43:54,193 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 408 [2021-11-19 04:43:54,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:43:54,281 INFO L225 Difference]: With dead ends: 20984 [2021-11-19 04:43:54,281 INFO L226 Difference]: Without dead ends: 20982 [2021-11-19 04:43:54,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:43:54,297 INFO L933 BasicCegarLoop]: 2870 mSDtfsCounter, 3025 mSDsluCounter, 5872 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3300 SdHoareTripleChecker+Valid, 8742 SdHoareTripleChecker+Invalid, 3196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 810 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-19 04:43:54,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3300 Valid, 8742 Invalid, 3196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [810 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-19 04:43:54,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20982 states. [2021-11-19 04:43:55,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20982 to 20846. [2021-11-19 04:43:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20846 states, 15537 states have (on average 1.3118362618266075) internal successors, (20382), 15859 states have internal predecessors, (20382), 4115 states have call successors, (4115), 1197 states have call predecessors, (4115), 1191 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-11-19 04:43:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20846 states to 20846 states and 28640 transitions. [2021-11-19 04:43:55,529 INFO L78 Accepts]: Start accepts. Automaton has 20846 states and 28640 transitions. Word has length 408 [2021-11-19 04:43:55,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:55,530 INFO L470 AbstractCegarLoop]: Abstraction has 20846 states and 28640 transitions. [2021-11-19 04:43:55,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-19 04:43:55,530 INFO L276 IsEmpty]: Start isEmpty. Operand 20846 states and 28640 transitions. [2021-11-19 04:43:55,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-11-19 04:43:55,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:55,549 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 9, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:43:55,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-19 04:43:55,550 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)] === [2021-11-19 04:43:55,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:55,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1865803838, now seen corresponding path program 1 times [2021-11-19 04:43:55,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:55,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862594755] [2021-11-19 04:43:55,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:55,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:55,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:55,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:55,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:43:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:43:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:43:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:43:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:43:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:43:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:43:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:43:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:43:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:43:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:43:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:43:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:43:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:43:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:43:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:43:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:43:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:43:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:43:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:43:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:43:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-19 04:43:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-19 04:43:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-19 04:43:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-19 04:43:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-19 04:43:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-19 04:43:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3547 trivial. 0 not checked. [2021-11-19 04:43:56,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:43:56,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862594755] [2021-11-19 04:43:56,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862594755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:43:56,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:43:56,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:43:56,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259481636] [2021-11-19 04:43:56,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:43:56,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:43:56,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:43:56,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:43:56,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:43:56,603 INFO L87 Difference]: Start difference. First operand 20846 states and 28640 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-19 04:43:59,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:59,957 INFO L93 Difference]: Finished difference Result 20988 states and 28846 transitions. [2021-11-19 04:43:59,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:43:59,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 413 [2021-11-19 04:43:59,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:44:00,012 INFO L225 Difference]: With dead ends: 20988 [2021-11-19 04:44:00,012 INFO L226 Difference]: Without dead ends: 20986 [2021-11-19 04:44:00,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:44:00,019 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 04:44:00,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 04:44:00,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20986 states. [2021-11-19 04:44:00,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20986 to 20850. [2021-11-19 04:44:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20850 states, 15540 states have (on average 1.3117760617760619) internal successors, (20385), 15862 states have internal predecessors, (20385), 4115 states have call successors, (4115), 1198 states have call predecessors, (4115), 1192 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-11-19 04:44:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20850 states to 20850 states and 28643 transitions. [2021-11-19 04:44:01,032 INFO L78 Accepts]: Start accepts. Automaton has 20850 states and 28643 transitions. Word has length 413 [2021-11-19 04:44:01,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:44:01,033 INFO L470 AbstractCegarLoop]: Abstraction has 20850 states and 28643 transitions. [2021-11-19 04:44:01,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-19 04:44:01,033 INFO L276 IsEmpty]: Start isEmpty. Operand 20850 states and 28643 transitions. [2021-11-19 04:44:01,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-11-19 04:44:01,047 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:44:01,047 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 10, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:44:01,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-19 04:44:01,048 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)] === [2021-11-19 04:44:01,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:44:01,048 INFO L85 PathProgramCache]: Analyzing trace with hash 252347349, now seen corresponding path program 1 times [2021-11-19 04:44:01,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:44:01,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362050941] [2021-11-19 04:44:01,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:44:01,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:44:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:44:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:44:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:44:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:44:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:44:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:44:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:44:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:44:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:44:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:44:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:44:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:44:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:44:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:44:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:44:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:44:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:44:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:44:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:44:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:44:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:44:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:44:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:44:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:44:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:44:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:44:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:44:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:44:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:44:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:44:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:44:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:44:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:44:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:44:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:44:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-19 04:44:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-19 04:44:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-19 04:44:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-19 04:44:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-19 04:44:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-19 04:44:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-19 04:44:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:01,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3597 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 3579 trivial. 0 not checked. [2021-11-19 04:44:01,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:44:01,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362050941] [2021-11-19 04:44:01,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362050941] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:44:01,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:44:01,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:44:01,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717807869] [2021-11-19 04:44:01,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:44:01,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:44:01,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:44:01,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:44:01,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:44:01,998 INFO L87 Difference]: Start difference. First operand 20850 states and 28643 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-19 04:44:05,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:44:05,377 INFO L93 Difference]: Finished difference Result 20992 states and 28849 transitions. [2021-11-19 04:44:05,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:44:05,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 418 [2021-11-19 04:44:05,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:44:05,446 INFO L225 Difference]: With dead ends: 20992 [2021-11-19 04:44:05,446 INFO L226 Difference]: Without dead ends: 20990 [2021-11-19 04:44:05,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:44:05,459 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 820 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-19 04:44:05,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [820 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-19 04:44:05,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20990 states. [2021-11-19 04:44:06,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20990 to 20854. [2021-11-19 04:44:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20854 states, 15543 states have (on average 1.3117158849642927) internal successors, (20388), 15865 states have internal predecessors, (20388), 4115 states have call successors, (4115), 1199 states have call predecessors, (4115), 1193 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-11-19 04:44:06,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20854 states to 20854 states and 28646 transitions. [2021-11-19 04:44:06,581 INFO L78 Accepts]: Start accepts. Automaton has 20854 states and 28646 transitions. Word has length 418 [2021-11-19 04:44:06,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:44:06,582 INFO L470 AbstractCegarLoop]: Abstraction has 20854 states and 28646 transitions. [2021-11-19 04:44:06,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-19 04:44:06,582 INFO L276 IsEmpty]: Start isEmpty. Operand 20854 states and 28646 transitions. [2021-11-19 04:44:06,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-11-19 04:44:06,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:44:06,595 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 11, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:44:06,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-19 04:44:06,595 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:44:06,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:44:06,595 INFO L85 PathProgramCache]: Analyzing trace with hash -457784478, now seen corresponding path program 1 times [2021-11-19 04:44:06,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:44:06,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951486851] [2021-11-19 04:44:06,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:44:06,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:44:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:44:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:44:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:44:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:44:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:44:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:44:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:44:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:44:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:44:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:06,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:44:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:44:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:44:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:44:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:44:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:44:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:44:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:44:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:44:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:44:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:44:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:44:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:44:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:44:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:44:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:44:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:44:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:44:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:44:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:44:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:44:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:44:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:44:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:44:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:44:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:44:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-19 04:44:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-19 04:44:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-19 04:44:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-19 04:44:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-19 04:44:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-19 04:44:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-19 04:44:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-19 04:44:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:07,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3635 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3615 trivial. 0 not checked. [2021-11-19 04:44:07,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:44:07,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951486851] [2021-11-19 04:44:07,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951486851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:44:07,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:44:07,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:44:07,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238695863] [2021-11-19 04:44:07,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:44:07,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:44:07,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:44:07,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:44:07,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:44:07,504 INFO L87 Difference]: Start difference. First operand 20854 states and 28646 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-19 04:44:11,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:44:11,366 INFO L93 Difference]: Finished difference Result 20996 states and 28852 transitions. [2021-11-19 04:44:11,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:44:11,367 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 423 [2021-11-19 04:44:11,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:44:11,433 INFO L225 Difference]: With dead ends: 20996 [2021-11-19 04:44:11,433 INFO L226 Difference]: Without dead ends: 20994 [2021-11-19 04:44:11,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:44:11,443 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:44:11,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 04:44:11,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20994 states. [2021-11-19 04:44:12,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20994 to 20858. [2021-11-19 04:44:12,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20858 states, 15546 states have (on average 1.3116557313778463) internal successors, (20391), 15868 states have internal predecessors, (20391), 4115 states have call successors, (4115), 1200 states have call predecessors, (4115), 1194 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-11-19 04:44:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20858 states to 20858 states and 28649 transitions. [2021-11-19 04:44:12,742 INFO L78 Accepts]: Start accepts. Automaton has 20858 states and 28649 transitions. Word has length 423 [2021-11-19 04:44:12,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:44:12,743 INFO L470 AbstractCegarLoop]: Abstraction has 20858 states and 28649 transitions. [2021-11-19 04:44:12,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-19 04:44:12,743 INFO L276 IsEmpty]: Start isEmpty. Operand 20858 states and 28649 transitions. [2021-11-19 04:44:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-11-19 04:44:12,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:44:12,757 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 12, 11, 11, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:44:12,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-19 04:44:12,758 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:44:12,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:44:12,758 INFO L85 PathProgramCache]: Analyzing trace with hash 31048061, now seen corresponding path program 1 times [2021-11-19 04:44:12,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:44:12,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920541937] [2021-11-19 04:44:12,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:44:12,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:44:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:44:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:44:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:44:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:44:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:44:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:44:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:44:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:44:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:44:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:44:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:44:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:44:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:44:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:44:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:44:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:44:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:44:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:44:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:44:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:44:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:44:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:44:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:44:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:44:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:44:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:44:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:44:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:44:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:44:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:44:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:44:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:44:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-19 04:44:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-19 04:44:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:44:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-19 04:44:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:44:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:44:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 04:44:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-19 04:44:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-19 04:44:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-19 04:44:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-19 04:44:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-19 04:44:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-19 04:44:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-19 04:44:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-19 04:44:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-19 04:44:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-19 04:44:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-19 04:44:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3900 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3878 trivial. 0 not checked. [2021-11-19 04:44:13,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:44:13,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920541937] [2021-11-19 04:44:13,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920541937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:44:13,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:44:13,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 04:44:13,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750801327] [2021-11-19 04:44:13,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:44:13,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 04:44:13,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:44:13,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 04:44:13,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:44:13,866 INFO L87 Difference]: Start difference. First operand 20858 states and 28649 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-19 04:44:21,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:44:21,965 INFO L93 Difference]: Finished difference Result 21000 states and 28855 transitions. [2021-11-19 04:44:21,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 04:44:21,966 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), 2 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 468 [2021-11-19 04:44:21,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:44:22,028 INFO L225 Difference]: With dead ends: 21000 [2021-11-19 04:44:22,028 INFO L226 Difference]: Without dead ends: 20998 [2021-11-19 04:44:22,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-11-19 04:44:22,040 INFO L933 BasicCegarLoop]: 2670 mSDtfsCounter, 4254 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 5244 mSolverCounterSat, 1978 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4388 SdHoareTripleChecker+Valid, 6193 SdHoareTripleChecker+Invalid, 7222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1978 IncrementalHoareTripleChecker+Valid, 5244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:44:22,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4388 Valid, 6193 Invalid, 7222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1978 Valid, 5244 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-11-19 04:44:22,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20998 states. [2021-11-19 04:44:23,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20998 to 20862. [2021-11-19 04:44:23,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20862 states, 15549 states have (on average 1.3115956010032799) internal successors, (20394), 15871 states have internal predecessors, (20394), 4115 states have call successors, (4115), 1201 states have call predecessors, (4115), 1195 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-11-19 04:44:23,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20862 states to 20862 states and 28652 transitions. [2021-11-19 04:44:23,191 INFO L78 Accepts]: Start accepts. Automaton has 20862 states and 28652 transitions. Word has length 468 [2021-11-19 04:44:23,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:44:23,192 INFO L470 AbstractCegarLoop]: Abstraction has 20862 states and 28652 transitions. [2021-11-19 04:44:23,192 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), 2 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-19 04:44:23,192 INFO L276 IsEmpty]: Start isEmpty. Operand 20862 states and 28652 transitions. [2021-11-19 04:44:23,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-11-19 04:44:23,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:44:23,206 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:44:23,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-19 04:44:23,206 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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)] === [2021-11-19 04:44:23,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:44:23,207 INFO L85 PathProgramCache]: Analyzing trace with hash 339112681, now seen corresponding path program 1 times [2021-11-19 04:44:23,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:44:23,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168284250] [2021-11-19 04:44:23,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:44:23,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:44:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:44:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:44:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:44:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:44:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:44:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:44:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:44:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:44:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:44:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:44:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:44:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:44:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:44:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:44:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:44:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:44:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:44:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:44:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:44:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:44:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:44:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:44:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:44:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:44:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:44:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:44:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:44:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:44:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:44:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-19 04:44:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:44:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-19 04:44:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-19 04:44:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-19 04:44:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-19 04:44:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-19 04:44:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-19 04:44:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-19 04:44:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:44:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-19 04:44:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-19 04:44:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:23,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3547 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3544 trivial. 0 not checked. [2021-11-19 04:44:23,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:44:23,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168284250] [2021-11-19 04:44:23,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168284250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:44:23,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:44:23,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:44:23,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209340407] [2021-11-19 04:44:23,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:44:23,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:44:23,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:44:23,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:44:23,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:44:23,993 INFO L87 Difference]: Start difference. First operand 20862 states and 28652 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-19 04:44:28,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:44:28,156 INFO L93 Difference]: Finished difference Result 46067 states and 63218 transitions. [2021-11-19 04:44:28,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:44:28,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 429 [2021-11-19 04:44:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:44:28,240 INFO L225 Difference]: With dead ends: 46067 [2021-11-19 04:44:28,240 INFO L226 Difference]: Without dead ends: 27246 [2021-11-19 04:44:28,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:44:28,299 INFO L933 BasicCegarLoop]: 4204 mSDtfsCounter, 1842 mSDsluCounter, 4121 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 8325 SdHoareTripleChecker+Invalid, 2244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 622 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 04:44:28,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2095 Valid, 8325 Invalid, 2244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [622 Valid, 1622 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 04:44:28,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27246 states. [2021-11-19 04:44:29,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27246 to 26984. [2021-11-19 04:44:29,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26984 states, 20184 states have (on average 1.3105430043598891) internal successors, (26452), 20585 states have internal predecessors, (26452), 5237 states have call successors, (5237), 1568 states have call predecessors, (5237), 1560 states have return successors, (5271), 5185 states have call predecessors, (5271), 5233 states have call successors, (5271) [2021-11-19 04:44:29,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26984 states to 26984 states and 36960 transitions. [2021-11-19 04:44:29,802 INFO L78 Accepts]: Start accepts. Automaton has 26984 states and 36960 transitions. Word has length 429 [2021-11-19 04:44:29,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:44:29,803 INFO L470 AbstractCegarLoop]: Abstraction has 26984 states and 36960 transitions. [2021-11-19 04:44:29,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-19 04:44:29,804 INFO L276 IsEmpty]: Start isEmpty. Operand 26984 states and 36960 transitions. [2021-11-19 04:44:29,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2021-11-19 04:44:29,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:44:29,817 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 13, 12, 12, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:44:29,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-19 04:44:29,817 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:44:29,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:44:29,818 INFO L85 PathProgramCache]: Analyzing trace with hash -701466667, now seen corresponding path program 1 times [2021-11-19 04:44:29,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:44:29,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719196071] [2021-11-19 04:44:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:44:29,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:44:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:44:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:44:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:44:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:44:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:44:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:44:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:44:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:44:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:44:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:44:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:44:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:44:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:44:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:44:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:44:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:44:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:44:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:44:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:44:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:44:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:44:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:44:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:44:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:44:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:44:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:44:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:44:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:44:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:44:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:44:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:44:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:44:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-19 04:44:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-19 04:44:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:44:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-19 04:44:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-19 04:44:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:44:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 04:44:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-19 04:44:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-19 04:44:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-19 04:44:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-19 04:44:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-19 04:44:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-19 04:44:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-19 04:44:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-19 04:44:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-19 04:44:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-19 04:44:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-19 04:44:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-11-19 04:44:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3944 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3909 trivial. 0 not checked. [2021-11-19 04:44:30,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:44:30,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719196071] [2021-11-19 04:44:30,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719196071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:44:30,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:44:30,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:44:30,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685680256] [2021-11-19 04:44:30,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:44:30,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:44:30,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:44:30,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:44:30,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:44:30,682 INFO L87 Difference]: Start difference. First operand 26984 states and 36960 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-11-19 04:44:42,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:44:42,237 INFO L93 Difference]: Finished difference Result 60379 states and 82710 transitions. [2021-11-19 04:44:42,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 04:44:42,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 472 [2021-11-19 04:44:42,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:44:42,338 INFO L225 Difference]: With dead ends: 60379 [2021-11-19 04:44:42,338 INFO L226 Difference]: Without dead ends: 35436 [2021-11-19 04:44:42,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:44:42,381 INFO L933 BasicCegarLoop]: 4986 mSDtfsCounter, 4366 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 5035 mSolverCounterSat, 2305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4676 SdHoareTripleChecker+Valid, 8196 SdHoareTripleChecker+Invalid, 7340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2305 IncrementalHoareTripleChecker+Valid, 5035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-11-19 04:44:42,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4676 Valid, 8196 Invalid, 7340 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2305 Valid, 5035 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2021-11-19 04:44:42,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35436 states. [2021-11-19 04:44:43,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35436 to 35123. [2021-11-19 04:44:44,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35123 states, 26275 states have (on average 1.3110941960038058) internal successors, (34449), 26792 states have internal predecessors, (34449), 6813 states have call successors, (6813), 2045 states have call predecessors, (6813), 2032 states have return successors, (6859), 6749 states have call predecessors, (6859), 6809 states have call successors, (6859) [2021-11-19 04:44:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35123 states to 35123 states and 48121 transitions. [2021-11-19 04:44:44,343 INFO L78 Accepts]: Start accepts. Automaton has 35123 states and 48121 transitions. Word has length 472 [2021-11-19 04:44:44,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:44:44,343 INFO L470 AbstractCegarLoop]: Abstraction has 35123 states and 48121 transitions. [2021-11-19 04:44:44,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-11-19 04:44:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 35123 states and 48121 transitions. [2021-11-19 04:44:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-11-19 04:44:44,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:44:44,353 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 13, 12, 12, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:44:44,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-19 04:44:44,353 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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)] === [2021-11-19 04:44:44,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:44:44,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1848771014, now seen corresponding path program 1 times [2021-11-19 04:44:44,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:44:44,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362382842] [2021-11-19 04:44:44,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:44:44,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:44:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:44:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:44:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:44:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:44:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:44:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:44:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:44:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:44:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:44:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:44:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:44:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:44:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:44:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:44:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:44:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:44:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:44:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:44:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:44:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:44:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:44:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:44:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:44,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:44:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:44:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:44:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:44:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:44:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:44:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:44:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:44:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:44:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:44:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-19 04:44:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-19 04:44:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:44:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-19 04:44:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:44:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:44:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 04:44:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-19 04:44:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-19 04:44:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-19 04:44:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-19 04:44:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-19 04:44:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-19 04:44:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-19 04:44:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-19 04:44:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-19 04:44:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-19 04:44:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-19 04:44:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-19 04:44:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3946 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3922 trivial. 0 not checked. [2021-11-19 04:44:45,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:44:45,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362382842] [2021-11-19 04:44:45,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362382842] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:44:45,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:44:45,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 04:44:45,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265634723] [2021-11-19 04:44:45,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:44:45,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 04:44:45,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:44:45,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 04:44:45,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:44:45,344 INFO L87 Difference]: Start difference. First operand 35123 states and 48121 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 5 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-19 04:44:53,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:44:53,706 INFO L93 Difference]: Finished difference Result 35369 states and 48451 transitions. [2021-11-19 04:44:53,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 04:44:53,706 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), 2 states have call successors, (53), 5 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 473 [2021-11-19 04:44:53,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:44:53,812 INFO L225 Difference]: With dead ends: 35369 [2021-11-19 04:44:53,813 INFO L226 Difference]: Without dead ends: 35367 [2021-11-19 04:44:53,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-11-19 04:44:53,828 INFO L933 BasicCegarLoop]: 2670 mSDtfsCounter, 4254 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 5244 mSolverCounterSat, 1977 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4388 SdHoareTripleChecker+Valid, 6193 SdHoareTripleChecker+Invalid, 7221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1977 IncrementalHoareTripleChecker+Valid, 5244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-19 04:44:53,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4388 Valid, 6193 Invalid, 7221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1977 Valid, 5244 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-11-19 04:44:53,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35367 states. [2021-11-19 04:44:55,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35367 to 35127. [2021-11-19 04:44:55,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35127 states, 26278 states have (on average 1.3110586802648603) internal successors, (34452), 26795 states have internal predecessors, (34452), 6813 states have call successors, (6813), 2046 states have call predecessors, (6813), 2033 states have return successors, (6859), 6749 states have call predecessors, (6859), 6809 states have call successors, (6859) [2021-11-19 04:44:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35127 states to 35127 states and 48124 transitions. [2021-11-19 04:44:55,775 INFO L78 Accepts]: Start accepts. Automaton has 35127 states and 48124 transitions. Word has length 473 [2021-11-19 04:44:55,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:44:55,776 INFO L470 AbstractCegarLoop]: Abstraction has 35127 states and 48124 transitions. [2021-11-19 04:44:55,776 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), 2 states have call successors, (53), 5 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-19 04:44:55,776 INFO L276 IsEmpty]: Start isEmpty. Operand 35127 states and 48124 transitions. [2021-11-19 04:44:55,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-11-19 04:44:55,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:44:55,785 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 14, 13, 13, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:44:55,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-19 04:44:55,786 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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)] === [2021-11-19 04:44:55,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:44:55,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2128309141, now seen corresponding path program 1 times [2021-11-19 04:44:55,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:44:55,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177404793] [2021-11-19 04:44:55,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:44:55,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:44:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:44:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:44:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:44:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:44:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:44:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:44:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:44:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:44:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:44:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:44:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:44:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:44:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:44:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:44:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:44:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:44:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:44:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:44:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:44:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:44:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:44:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:44:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:44:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:44:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:44:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:44:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:44:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:44:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:44:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:44:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:44:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:44:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:44:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:44:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:44:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-19 04:44:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-19 04:44:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-19 04:44:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-19 04:44:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-19 04:44:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-19 04:44:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-19 04:44:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-19 04:44:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-19 04:44:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-19 04:44:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-19 04:44:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3773 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3747 trivial. 0 not checked. [2021-11-19 04:44:56,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:44:56,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177404793] [2021-11-19 04:44:56,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177404793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:44:56,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:44:56,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:44:56,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846170911] [2021-11-19 04:44:56,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:44:56,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:44:56,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:44:56,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:44:56,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:44:56,762 INFO L87 Difference]: Start difference. First operand 35127 states and 48124 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-19 04:45:01,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:45:01,252 INFO L93 Difference]: Finished difference Result 35373 states and 48454 transitions. [2021-11-19 04:45:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:45:01,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 438 [2021-11-19 04:45:01,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:45:01,355 INFO L225 Difference]: With dead ends: 35373 [2021-11-19 04:45:01,356 INFO L226 Difference]: Without dead ends: 35369 [2021-11-19 04:45:01,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:45:01,370 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 816 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 04:45:01,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [816 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 04:45:01,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35369 states. [2021-11-19 04:45:03,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35369 to 35129. [2021-11-19 04:45:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35129 states, 26280 states have (on average 1.3109969558599694) internal successors, (34453), 26796 states have internal predecessors, (34453), 6813 states have call successors, (6813), 2047 states have call predecessors, (6813), 2033 states have return successors, (6859), 6749 states have call predecessors, (6859), 6809 states have call successors, (6859) [2021-11-19 04:45:03,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35129 states to 35129 states and 48125 transitions. [2021-11-19 04:45:03,494 INFO L78 Accepts]: Start accepts. Automaton has 35129 states and 48125 transitions. Word has length 438 [2021-11-19 04:45:03,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:45:03,494 INFO L470 AbstractCegarLoop]: Abstraction has 35129 states and 48125 transitions. [2021-11-19 04:45:03,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-19 04:45:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 35129 states and 48125 transitions. [2021-11-19 04:45:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-11-19 04:45:03,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:45:03,505 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 15, 14, 14, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:45:03,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-19 04:45:03,505 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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)] === [2021-11-19 04:45:03,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:45:03,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1200098573, now seen corresponding path program 1 times [2021-11-19 04:45:03,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:45:03,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484737292] [2021-11-19 04:45:03,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:45:03,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:45:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:45:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:45:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:45:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:45:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:45:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:45:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:45:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:45:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:45:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:45:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:45:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:45:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:45:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:45:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:45:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:45:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:45:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:45:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:45:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:45:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:45:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:45:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:45:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:45:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:45:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:45:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:45:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:45:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:45:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:45:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:45:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:45:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-19 04:45:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-19 04:45:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:45:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-19 04:45:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-19 04:45:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:45:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-19 04:45:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-19 04:45:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-19 04:45:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-19 04:45:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-19 04:45:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-19 04:45:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-19 04:45:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-19 04:45:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-19 04:45:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-19 04:45:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-19 04:45:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-19 04:45:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-11-19 04:45:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-11-19 04:45:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-19 04:45:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 4009 trivial. 0 not checked. [2021-11-19 04:45:04,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:45:04,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484737292] [2021-11-19 04:45:04,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484737292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:45:04,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:45:04,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:45:04,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38203872] [2021-11-19 04:45:04,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:45:04,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:45:04,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:45:04,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:45:04,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:45:04,422 INFO L87 Difference]: Start difference. First operand 35129 states and 48125 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-19 04:45:15,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:45:15,414 INFO L93 Difference]: Finished difference Result 76638 states and 105042 transitions. [2021-11-19 04:45:15,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 04:45:15,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 482 [2021-11-19 04:45:15,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:45:15,535 INFO L225 Difference]: With dead ends: 76638 [2021-11-19 04:45:15,536 INFO L226 Difference]: Without dead ends: 43550 [2021-11-19 04:45:15,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-19 04:45:15,596 INFO L933 BasicCegarLoop]: 5115 mSDtfsCounter, 4156 mSDsluCounter, 3211 mSDsCounter, 0 mSdLazyCounter, 5079 mSolverCounterSat, 2175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4465 SdHoareTripleChecker+Valid, 8326 SdHoareTripleChecker+Invalid, 7254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2175 IncrementalHoareTripleChecker+Valid, 5079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-11-19 04:45:15,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4465 Valid, 8326 Invalid, 7254 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2175 Valid, 5079 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2021-11-19 04:45:15,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43550 states. [2021-11-19 04:45:17,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43550 to 43250. [2021-11-19 04:45:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43250 states, 32365 states have (on average 1.3114166537926772) internal successors, (42444), 32997 states have internal predecessors, (42444), 8381 states have call successors, (8381), 2516 states have call predecessors, (8381), 2501 states have return successors, (8439), 8309 states have call predecessors, (8439), 8377 states have call successors, (8439) [2021-11-19 04:45:18,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43250 states to 43250 states and 59264 transitions. [2021-11-19 04:45:18,271 INFO L78 Accepts]: Start accepts. Automaton has 43250 states and 59264 transitions. Word has length 482 [2021-11-19 04:45:18,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:45:18,272 INFO L470 AbstractCegarLoop]: Abstraction has 43250 states and 59264 transitions. [2021-11-19 04:45:18,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-19 04:45:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand 43250 states and 59264 transitions. [2021-11-19 04:45:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-11-19 04:45:18,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:45:18,289 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 15, 14, 14, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:45:18,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-19 04:45:18,289 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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)] === [2021-11-19 04:45:18,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:45:18,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1316295330, now seen corresponding path program 1 times [2021-11-19 04:45:18,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:45:18,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941230382] [2021-11-19 04:45:18,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:45:18,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:45:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:45:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:45:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:45:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:45:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:45:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:45:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:45:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:45:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:45:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:45:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:45:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:45:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:45:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:45:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:45:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:45:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:45:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:45:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:45:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:45:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:45:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:45:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:45:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:45:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:45:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:45:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:45:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:45:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:18,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-19 04:45:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-19 04:45:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-19 04:45:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-19 04:45:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-19 04:45:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-19 04:45:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-19 04:45:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-19 04:45:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-19 04:45:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-19 04:45:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-19 04:45:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-19 04:45:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-19 04:45:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-19 04:45:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-19 04:45:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-19 04:45:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-19 04:45:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-19 04:45:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-19 04:45:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3827 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3799 trivial. 0 not checked. [2021-11-19 04:45:19,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:45:19,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941230382] [2021-11-19 04:45:19,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941230382] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:45:19,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:45:19,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:45:19,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289853457] [2021-11-19 04:45:19,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:45:19,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:45:19,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:45:19,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:45:19,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:45:19,117 INFO L87 Difference]: Start difference. First operand 43250 states and 59264 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-19 04:45:24,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:45:24,444 INFO L93 Difference]: Finished difference Result 43546 states and 59659 transitions. [2021-11-19 04:45:24,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:45:24,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 443 [2021-11-19 04:45:24,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:45:24,555 INFO L225 Difference]: With dead ends: 43546 [2021-11-19 04:45:24,555 INFO L226 Difference]: Without dead ends: 43282 [2021-11-19 04:45:24,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:45:24,568 INFO L933 BasicCegarLoop]: 2846 mSDtfsCounter, 3041 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3303 SdHoareTripleChecker+Valid, 8588 SdHoareTripleChecker+Invalid, 2907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 815 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:45:24,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3303 Valid, 8588 Invalid, 2907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [815 Valid, 2092 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 04:45:24,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43282 states. [2021-11-19 04:45:26,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43282 to 34907. [2021-11-19 04:45:26,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34907 states, 26145 states have (on average 1.311684834576401) internal successors, (34294), 26643 states have internal predecessors, (34294), 6749 states have call successors, (6749), 2015 states have call predecessors, (6749), 2011 states have return successors, (6799), 6712 states have call predecessors, (6799), 6749 states have call successors, (6799) [2021-11-19 04:45:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34907 states to 34907 states and 47842 transitions. [2021-11-19 04:45:26,930 INFO L78 Accepts]: Start accepts. Automaton has 34907 states and 47842 transitions. Word has length 443 [2021-11-19 04:45:26,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:45:26,931 INFO L470 AbstractCegarLoop]: Abstraction has 34907 states and 47842 transitions. [2021-11-19 04:45:26,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-19 04:45:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 34907 states and 47842 transitions. [2021-11-19 04:45:26,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-11-19 04:45:26,951 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:45:26,952 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 28, 28, 28, 28, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:45:26,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-19 04:45:26,953 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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)] === [2021-11-19 04:45:26,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:45:26,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1317154351, now seen corresponding path program 1 times [2021-11-19 04:45:26,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:45:26,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166701550] [2021-11-19 04:45:26,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:45:26,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:45:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:45:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:45:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:45:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:45:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:45:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:45:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:45:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:45:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:45:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:45:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:45:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:45:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:45:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:45:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:45:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:45:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:45:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:45:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:45:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:45:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:45:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:45:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:45:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:45:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:45:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:45:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:45:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-19 04:45:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-19 04:45:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-19 04:45:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-19 04:45:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-19 04:45:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-19 04:45:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-19 04:45:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-19 04:45:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-19 04:45:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-19 04:45:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-19 04:45:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-19 04:45:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-11-19 04:45:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-19 04:45:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3529 trivial. 0 not checked. [2021-11-19 04:45:27,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:45:27,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166701550] [2021-11-19 04:45:27,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166701550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:45:27,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:45:27,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:45:27,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383483688] [2021-11-19 04:45:27,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:45:27,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:45:27,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:45:27,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:45:27,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:45:27,742 INFO L87 Difference]: Start difference. First operand 34907 states and 47842 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44)