./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 91f73b42c8fe3db55fbb7a7497120df3b9b2fa6084f78fe538d2c182c8caed17 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:10:27,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:10:27,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:10:27,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:10:27,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:10:27,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:10:27,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:10:27,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:10:27,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:10:27,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:10:27,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:10:27,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:10:27,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:10:27,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:10:27,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:10:27,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:10:27,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:10:27,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:10:27,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:10:27,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:10:27,468 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:10:27,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:10:27,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:10:27,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:10:27,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:10:27,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:10:27,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:10:27,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:10:27,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:10:27,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:10:27,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:10:27,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:10:27,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:10:27,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:10:27,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:10:27,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:10:27,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:10:27,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:10:27,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:10:27,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:10:27,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:10:27,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:10:27,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:10:27,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:10:27,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:10:27,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:10:27,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:10:27,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:10:27,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:10:27,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:10:27,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:10:27,523 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:10:27,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:10:27,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:10:27,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:10:27,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:10:27,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:10:27,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:10:27,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:10:27,525 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:10:27,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:10:27,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:10:27,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:10:27,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:10:27,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:10:27,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:10:27,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:10:27,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:10:27,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:10:27,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:10:27,527 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:10:27,527 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:10:27,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:10:27,528 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91f73b42c8fe3db55fbb7a7497120df3b9b2fa6084f78fe538d2c182c8caed17 [2022-07-23 03:10:27,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:10:27,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:10:27,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:10:27,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:10:27,803 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:10:27,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-23 03:10:27,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/061af5dc7/008375d62ca344fb9f586b89e03e30cb/FLAG2a452bf62 [2022-07-23 03:10:28,761 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:10:28,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-23 03:10:28,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/061af5dc7/008375d62ca344fb9f586b89e03e30cb/FLAG2a452bf62 [2022-07-23 03:10:28,900 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/061af5dc7/008375d62ca344fb9f586b89e03e30cb [2022-07-23 03:10:28,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:10:28,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:10:28,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:10:28,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:10:28,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:10:28,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:10:28" (1/1) ... [2022-07-23 03:10:28,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf1ba12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:28, skipping insertion in model container [2022-07-23 03:10:28,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:10:28" (1/1) ... [2022-07-23 03:10:28,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:10:29,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:10:37,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583669,583682] [2022-07-23 03:10:37,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583838,583851] [2022-07-23 03:10:37,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584005,584018] [2022-07-23 03:10:37,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584173,584186] [2022-07-23 03:10:37,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:10:37,219 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:10:37,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583669,583682] [2022-07-23 03:10:37,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[583838,583851] [2022-07-23 03:10:37,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584005,584018] [2022-07-23 03:10:37,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[584173,584186] [2022-07-23 03:10:38,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:10:38,448 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:10:38,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38 WrapperNode [2022-07-23 03:10:38,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:10:38,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:10:38,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:10:38,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:10:38,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38" (1/1) ... [2022-07-23 03:10:38,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38" (1/1) ... [2022-07-23 03:10:39,042 INFO L137 Inliner]: procedures = 798, calls = 5637, calls flagged for inlining = 404, calls inlined = 343, statements flattened = 11393 [2022-07-23 03:10:39,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:10:39,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:10:39,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:10:39,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:10:39,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38" (1/1) ... [2022-07-23 03:10:39,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38" (1/1) ... [2022-07-23 03:10:39,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38" (1/1) ... [2022-07-23 03:10:39,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38" (1/1) ... [2022-07-23 03:10:39,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38" (1/1) ... [2022-07-23 03:10:39,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38" (1/1) ... [2022-07-23 03:10:39,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38" (1/1) ... [2022-07-23 03:10:39,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:10:39,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:10:39,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:10:39,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:10:39,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38" (1/1) ... [2022-07-23 03:10:39,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:10:39,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:10:39,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 03:10:39,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 03:10:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:10:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:10:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-07-23 03:10:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-07-23 03:10:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-07-23 03:10:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-07-23 03:10:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-07-23 03:10:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-07-23 03:10:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:10:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:10:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-07-23 03:10:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-07-23 03:10:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-07-23 03:10:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-07-23 03:10:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:10:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:10:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-23 03:10:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-23 03:10:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 03:10:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 03:10:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-07-23 03:10:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-07-23 03:10:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 03:10:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 03:10:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-23 03:10:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-23 03:10:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-07-23 03:10:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-07-23 03:10:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:10:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:10:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 03:10:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 03:10:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-07-23 03:10:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-07-23 03:10:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 03:10:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 03:10:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 03:10:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 03:10:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-07-23 03:10:39,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-07-23 03:10:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2022-07-23 03:10:39,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2022-07-23 03:10:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 03:10:39,889 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 03:10:39,889 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-07-23 03:10:39,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-07-23 03:10:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:10:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:10:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:10:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:10:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-07-23 03:10:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-07-23 03:10:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:10:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-07-23 03:10:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-07-23 03:10:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2022-07-23 03:10:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2022-07-23 03:10:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 03:10:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 03:10:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:10:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:10:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-23 03:10:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-23 03:10:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-23 03:10:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-23 03:10:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 03:10:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 03:10:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:10:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:10:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-07-23 03:10:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-07-23 03:10:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-23 03:10:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-23 03:10:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:10:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:10:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:10:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-07-23 03:10:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-07-23 03:10:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-23 03:10:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-23 03:10:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:10:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-07-23 03:10:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-07-23 03:10:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-07-23 03:10:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-07-23 03:10:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-07-23 03:10:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-07-23 03:10:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:10:39,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:10:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:10:39,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:10:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:10:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 03:10:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-07-23 03:10:39,896 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-07-23 03:10:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-07-23 03:10:39,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-07-23 03:10:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-07-23 03:10:39,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-07-23 03:10:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-23 03:10:39,897 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-23 03:10:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:10:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:10:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-07-23 03:10:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-07-23 03:10:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:10:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:10:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-07-23 03:10:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-07-23 03:10:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:10:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:10:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-07-23 03:10:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-07-23 03:10:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:10:39,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:10:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-07-23 03:10:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-07-23 03:10:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 03:10:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 03:10:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-07-23 03:10:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-07-23 03:10:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 03:10:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 03:10:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:10:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 03:10:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 03:10:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-23 03:10:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-23 03:10:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-23 03:10:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-23 03:10:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:10:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:10:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-07-23 03:10:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-07-23 03:10:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-23 03:10:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-07-23 03:10:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-07-23 03:10:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:10:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:10:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-07-23 03:10:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-07-23 03:10:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-07-23 03:10:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-07-23 03:10:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 03:10:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 03:10:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-23 03:10:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-23 03:10:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-23 03:10:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-23 03:10:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-07-23 03:10:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-07-23 03:10:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:10:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:10:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 03:10:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 03:10:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 03:10:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 03:10:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-07-23 03:10:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-07-23 03:10:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 03:10:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 03:10:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2022-07-23 03:10:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2022-07-23 03:10:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-07-23 03:10:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-07-23 03:10:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-07-23 03:10:39,906 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-07-23 03:10:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-07-23 03:10:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-07-23 03:10:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:10:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 03:10:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 03:10:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:10:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-07-23 03:10:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-07-23 03:10:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 03:10:39,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 03:10:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-07-23 03:10:39,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-07-23 03:10:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:10:39,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:10:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-23 03:10:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-23 03:10:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:10:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:10:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-07-23 03:10:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-07-23 03:10:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 03:10:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 03:10:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-07-23 03:10:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-07-23 03:10:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 03:10:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 03:10:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-23 03:10:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-23 03:10:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2022-07-23 03:10:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2022-07-23 03:10:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:10:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:10:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-07-23 03:10:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-07-23 03:10:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:10:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-07-23 03:10:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-07-23 03:10:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:10:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:10:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-07-23 03:10:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-07-23 03:10:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-23 03:10:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-23 03:10:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-07-23 03:10:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-07-23 03:10:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 03:10:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 03:10:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 03:10:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 03:10:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-07-23 03:10:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-07-23 03:10:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-07-23 03:10:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-07-23 03:10:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 03:10:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 03:10:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:10:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:10:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-23 03:10:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-23 03:10:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-07-23 03:10:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-07-23 03:10:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:10:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:10:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 03:10:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 03:10:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-07-23 03:10:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-07-23 03:10:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-07-23 03:10:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-07-23 03:10:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-07-23 03:10:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-07-23 03:10:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-23 03:10:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-23 03:10:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-07-23 03:10:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-07-23 03:10:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:10:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:10:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-07-23 03:10:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-07-23 03:10:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 03:10:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 03:10:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2022-07-23 03:10:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2022-07-23 03:10:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:10:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:10:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:10:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:10:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-07-23 03:10:39,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-07-23 03:10:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:10:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-23 03:10:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-23 03:10:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-07-23 03:10:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-07-23 03:10:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-23 03:10:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-23 03:10:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-23 03:10:39,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-23 03:10:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:10:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:10:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-07-23 03:10:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-07-23 03:10:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:10:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 03:10:39,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 03:10:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:10:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:10:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:10:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-07-23 03:10:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-07-23 03:10:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:10:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:10:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:10:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:10:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:10:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:10:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-07-23 03:10:39,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-07-23 03:10:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-07-23 03:10:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-07-23 03:10:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-07-23 03:10:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-07-23 03:10:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-23 03:10:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-23 03:10:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-07-23 03:10:39,923 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-07-23 03:10:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-07-23 03:10:39,924 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-07-23 03:10:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:10:39,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:10:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-07-23 03:10:39,924 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-07-23 03:10:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:10:39,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:10:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-07-23 03:10:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-07-23 03:10:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-07-23 03:10:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-07-23 03:10:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 03:10:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 03:10:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-07-23 03:10:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-07-23 03:10:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-07-23 03:10:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-07-23 03:10:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-23 03:10:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-23 03:10:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-07-23 03:10:39,926 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-07-23 03:10:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:10:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:10:39,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:10:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-07-23 03:10:39,927 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-07-23 03:10:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:10:39,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:10:39,927 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2022-07-23 03:10:39,927 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2022-07-23 03:10:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 03:10:39,928 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 03:10:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-07-23 03:10:39,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-07-23 03:10:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-07-23 03:10:39,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-07-23 03:10:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-23 03:10:39,928 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-23 03:10:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-07-23 03:10:39,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-07-23 03:10:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-23 03:10:39,929 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-23 03:10:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 03:10:39,929 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 03:10:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-07-23 03:10:39,930 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-07-23 03:10:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-07-23 03:10:39,930 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-07-23 03:10:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-23 03:10:39,930 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-23 03:10:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-07-23 03:10:39,930 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-07-23 03:10:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-07-23 03:10:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-07-23 03:10:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-07-23 03:10:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-07-23 03:10:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-23 03:10:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-23 03:10:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-23 03:10:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-23 03:10:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:10:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:10:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 03:10:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 03:10:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:10:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:10:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:10:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2022-07-23 03:10:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2022-07-23 03:10:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 03:10:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 03:10:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-23 03:10:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-23 03:10:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 03:10:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 03:10:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 03:10:39,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 03:10:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-23 03:10:39,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-23 03:10:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:10:39,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:10:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2022-07-23 03:10:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2022-07-23 03:10:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-07-23 03:10:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-07-23 03:10:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 03:10:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 03:10:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-07-23 03:10:39,935 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-07-23 03:10:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-07-23 03:10:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-07-23 03:10:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-07-23 03:10:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-07-23 03:10:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:10:39,936 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:10:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-07-23 03:10:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-07-23 03:10:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-23 03:10:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-23 03:10:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-07-23 03:10:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-07-23 03:10:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:10:39,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:10:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-23 03:10:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-23 03:10:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 03:10:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-23 03:10:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-07-23 03:10:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-07-23 03:10:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:10:39,938 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:10:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-07-23 03:10:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-07-23 03:10:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-23 03:10:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-23 03:10:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-07-23 03:10:39,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-07-23 03:10:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:10:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:10:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 03:10:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 03:10:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-07-23 03:10:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-07-23 03:10:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-07-23 03:10:39,940 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-07-23 03:10:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-23 03:10:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-23 03:10:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 03:10:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 03:10:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-07-23 03:10:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-07-23 03:10:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:10:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-07-23 03:10:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-07-23 03:10:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:10:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:10:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 03:10:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 03:10:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2022-07-23 03:10:39,942 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2022-07-23 03:10:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 03:10:41,284 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:10:41,287 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:10:41,382 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:11:02,608 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:11:02,641 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:11:02,641 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-07-23 03:11:02,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:11:02 BoogieIcfgContainer [2022-07-23 03:11:02,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:11:02,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:11:02,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:11:02,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:11:02,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:10:28" (1/3) ... [2022-07-23 03:11:02,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f5841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:11:02, skipping insertion in model container [2022-07-23 03:11:02,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:10:38" (2/3) ... [2022-07-23 03:11:02,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f5841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:11:02, skipping insertion in model container [2022-07-23 03:11:02,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:11:02" (3/3) ... [2022-07-23 03:11:02,663 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-23 03:11:02,676 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:11:02,677 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 03:11:02,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:11:02,816 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@45b38e0a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@709af9c2 [2022-07-23 03:11:02,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 03:11:02,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 4042 states, 2678 states have (on average 1.3121732636295742) internal successors, (3514), 2784 states have internal predecessors, (3514), 1154 states have call successors, (1154), 208 states have call predecessors, (1154), 207 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-07-23 03:11:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-07-23 03:11:02,842 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:11:02,842 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:11:02,843 INFO L420 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)] === [2022-07-23 03:11:02,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:11:02,848 INFO L85 PathProgramCache]: Analyzing trace with hash 2044215754, now seen corresponding path program 1 times [2022-07-23 03:11:02,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:11:02,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63355344] [2022-07-23 03:11:02,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:11:02,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:11:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:11:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:11:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:11:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:11:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:11:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:11:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:11:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:11:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:04,004 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-23 03:11:04,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:11:04,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63355344] [2022-07-23 03:11:04,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63355344] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:11:04,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:11:04,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:11:04,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728655497] [2022-07-23 03:11:04,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:11:04,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:11:04,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:11:04,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:11:04,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:11:04,056 INFO L87 Difference]: Start difference. First operand has 4042 states, 2678 states have (on average 1.3121732636295742) internal successors, (3514), 2784 states have internal predecessors, (3514), 1154 states have call successors, (1154), 208 states have call predecessors, (1154), 207 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 03:11:19,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:11:21,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:11:21,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:11:21,735 INFO L93 Difference]: Finished difference Result 8310 states and 12198 transitions. [2022-07-23 03:11:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 03:11:21,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2022-07-23 03:11:21,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:11:21,792 INFO L225 Difference]: With dead ends: 8310 [2022-07-23 03:11:21,795 INFO L226 Difference]: Without dead ends: 4339 [2022-07-23 03:11:21,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:11:21,834 INFO L413 NwaCegarLoop]: 5184 mSDtfsCounter, 5904 mSDsluCounter, 8409 mSDsCounter, 0 mSdLazyCounter, 6563 mSolverCounterSat, 2914 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6492 SdHoareTripleChecker+Valid, 13593 SdHoareTripleChecker+Invalid, 9479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2914 IncrementalHoareTripleChecker+Valid, 6563 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:11:21,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6492 Valid, 13593 Invalid, 9479 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2914 Valid, 6563 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2022-07-23 03:11:21,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4339 states. [2022-07-23 03:11:22,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4339 to 4012. [2022-07-23 03:11:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4012 states, 2646 states have (on average 1.2622826908541194) internal successors, (3340), 2749 states have internal predecessors, (3340), 1149 states have call successors, (1149), 215 states have call predecessors, (1149), 214 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-07-23 03:11:22,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4012 states to 4012 states and 5635 transitions. [2022-07-23 03:11:22,222 INFO L78 Accepts]: Start accepts. Automaton has 4012 states and 5635 transitions. Word has length 62 [2022-07-23 03:11:22,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:11:22,224 INFO L495 AbstractCegarLoop]: Abstraction has 4012 states and 5635 transitions. [2022-07-23 03:11:22,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 03:11:22,225 INFO L276 IsEmpty]: Start isEmpty. Operand 4012 states and 5635 transitions. [2022-07-23 03:11:22,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-23 03:11:22,236 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:11:22,237 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-07-23 03:11:22,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:11:22,237 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:11:22,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:11:22,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1199263874, now seen corresponding path program 1 times [2022-07-23 03:11:22,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:11:22,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700914511] [2022-07-23 03:11:22,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:11:22,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:11:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:11:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:11:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:11:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:22,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:11:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:11:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:22,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:11:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:11:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:11:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:22,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:11:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-23 03:11:22,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:11:22,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700914511] [2022-07-23 03:11:22,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700914511] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:11:22,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:11:22,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:11:22,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946012768] [2022-07-23 03:11:22,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:11:22,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:11:22,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:11:22,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:11:22,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:11:22,782 INFO L87 Difference]: Start difference. First operand 4012 states and 5635 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 03:11:34,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:11:37,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:11:37,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:11:37,643 INFO L93 Difference]: Finished difference Result 4343 states and 6178 transitions. [2022-07-23 03:11:37,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:11:37,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2022-07-23 03:11:37,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:11:37,671 INFO L225 Difference]: With dead ends: 4343 [2022-07-23 03:11:37,671 INFO L226 Difference]: Without dead ends: 4341 [2022-07-23 03:11:37,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:11:37,675 INFO L413 NwaCegarLoop]: 5148 mSDtfsCounter, 5866 mSDsluCounter, 8375 mSDsCounter, 0 mSdLazyCounter, 6440 mSolverCounterSat, 2885 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6477 SdHoareTripleChecker+Valid, 13523 SdHoareTripleChecker+Invalid, 9327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2885 IncrementalHoareTripleChecker+Valid, 6440 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:11:37,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6477 Valid, 13523 Invalid, 9327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2885 Valid, 6440 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2022-07-23 03:11:37,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4341 states. [2022-07-23 03:11:37,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4341 to 4016. [2022-07-23 03:11:37,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4016 states, 2649 states have (on average 1.2619856549641375) internal successors, (3343), 2752 states have internal predecessors, (3343), 1149 states have call successors, (1149), 216 states have call predecessors, (1149), 215 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-07-23 03:11:37,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4016 states to 4016 states and 5638 transitions. [2022-07-23 03:11:37,887 INFO L78 Accepts]: Start accepts. Automaton has 4016 states and 5638 transitions. Word has length 67 [2022-07-23 03:11:37,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:11:37,889 INFO L495 AbstractCegarLoop]: Abstraction has 4016 states and 5638 transitions. [2022-07-23 03:11:37,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 03:11:37,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4016 states and 5638 transitions. [2022-07-23 03:11:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-23 03:11:37,892 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:11:37,892 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:11:37,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:11:37,893 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:11:37,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:11:37,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1515598710, now seen corresponding path program 1 times [2022-07-23 03:11:37,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:11:37,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337522250] [2022-07-23 03:11:37,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:11:37,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:11:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:11:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:38,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:11:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:38,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:11:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:38,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:11:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:38,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:11:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:38,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:11:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:11:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:38,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:11:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:11:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 03:11:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-23 03:11:38,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:11:38,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337522250] [2022-07-23 03:11:38,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337522250] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:11:38,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:11:38,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:11:38,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785406163] [2022-07-23 03:11:38,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:11:38,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:11:38,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:11:38,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:11:38,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:11:38,450 INFO L87 Difference]: Start difference. First operand 4016 states and 5638 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 03:11:52,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:11:54,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:11:54,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:11:54,979 INFO L93 Difference]: Finished difference Result 4347 states and 6181 transitions. [2022-07-23 03:11:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:11:54,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 72 [2022-07-23 03:11:54,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:11:55,006 INFO L225 Difference]: With dead ends: 4347 [2022-07-23 03:11:55,006 INFO L226 Difference]: Without dead ends: 4345 [2022-07-23 03:11:55,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:11:55,013 INFO L413 NwaCegarLoop]: 5146 mSDtfsCounter, 5870 mSDsluCounter, 8374 mSDsCounter, 0 mSdLazyCounter, 6440 mSolverCounterSat, 2886 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6478 SdHoareTripleChecker+Valid, 13520 SdHoareTripleChecker+Invalid, 9328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2886 IncrementalHoareTripleChecker+Valid, 6440 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:11:55,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6478 Valid, 13520 Invalid, 9328 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2886 Valid, 6440 Invalid, 2 Unknown, 0 Unchecked, 16.0s Time] [2022-07-23 03:11:55,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4345 states. [2022-07-23 03:11:55,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4345 to 4020. [2022-07-23 03:11:55,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4020 states, 2652 states have (on average 1.2616892911010558) internal successors, (3346), 2755 states have internal predecessors, (3346), 1149 states have call successors, (1149), 217 states have call predecessors, (1149), 216 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-07-23 03:11:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4020 states to 4020 states and 5641 transitions. [2022-07-23 03:11:55,207 INFO L78 Accepts]: Start accepts. Automaton has 4020 states and 5641 transitions. Word has length 72 [2022-07-23 03:11:55,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:11:55,209 INFO L495 AbstractCegarLoop]: Abstraction has 4020 states and 5641 transitions. [2022-07-23 03:11:55,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 03:11:55,210 INFO L276 IsEmpty]: Start isEmpty. Operand 4020 states and 5641 transitions. [2022-07-23 03:11:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-23 03:11:55,212 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:11:55,212 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:11:55,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:11:55,213 INFO L420 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)] === [2022-07-23 03:11:55,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:11:55,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1695765182, now seen corresponding path program 1 times [2022-07-23 03:11:55,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:11:55,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474784973] [2022-07-23 03:11:55,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:11:55,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:11:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:11:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:11:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:11:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:11:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:11:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:11:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:11:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:11:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:11:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 03:11:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 03:11:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-23 03:11:55,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:11:55,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474784973] [2022-07-23 03:11:55,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474784973] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:11:55,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:11:55,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:11:55,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597712248] [2022-07-23 03:11:55,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:11:55,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:11:55,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:11:55,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:11:55,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:11:55,665 INFO L87 Difference]: Start difference. First operand 4020 states and 5641 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-23 03:12:07,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:12:09,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:12:09,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:12:09,802 INFO L93 Difference]: Finished difference Result 4351 states and 6184 transitions. [2022-07-23 03:12:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:12:09,802 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2022-07-23 03:12:09,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:12:09,832 INFO L225 Difference]: With dead ends: 4351 [2022-07-23 03:12:09,832 INFO L226 Difference]: Without dead ends: 4349 [2022-07-23 03:12:09,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:12:09,838 INFO L413 NwaCegarLoop]: 5147 mSDtfsCounter, 5870 mSDsluCounter, 8377 mSDsCounter, 0 mSdLazyCounter, 6440 mSolverCounterSat, 2885 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6477 SdHoareTripleChecker+Valid, 13524 SdHoareTripleChecker+Invalid, 9327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2885 IncrementalHoareTripleChecker+Valid, 6440 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-07-23 03:12:09,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6477 Valid, 13524 Invalid, 9327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2885 Valid, 6440 Invalid, 2 Unknown, 0 Unchecked, 13.7s Time] [2022-07-23 03:12:09,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-07-23 03:12:10,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4024. [2022-07-23 03:12:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4024 states, 2655 states have (on average 1.2613935969868173) internal successors, (3349), 2758 states have internal predecessors, (3349), 1149 states have call successors, (1149), 218 states have call predecessors, (1149), 217 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-07-23 03:12:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4024 states to 4024 states and 5644 transitions. [2022-07-23 03:12:10,038 INFO L78 Accepts]: Start accepts. Automaton has 4024 states and 5644 transitions. Word has length 77 [2022-07-23 03:12:10,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:12:10,039 INFO L495 AbstractCegarLoop]: Abstraction has 4024 states and 5644 transitions. [2022-07-23 03:12:10,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-23 03:12:10,039 INFO L276 IsEmpty]: Start isEmpty. Operand 4024 states and 5644 transitions. [2022-07-23 03:12:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-23 03:12:10,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:12:10,128 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:12:10,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:12:10,128 INFO L420 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)] === [2022-07-23 03:12:10,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:12:10,129 INFO L85 PathProgramCache]: Analyzing trace with hash 378443594, now seen corresponding path program 1 times [2022-07-23 03:12:10,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:12:10,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128159911] [2022-07-23 03:12:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:12:10,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:12:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:12:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:12:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:12:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:12:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:12:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:12:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:12:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:12:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:12:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 03:12:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 03:12:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 03:12:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-23 03:12:10,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:12:10,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128159911] [2022-07-23 03:12:10,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128159911] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:12:10,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:12:10,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:12:10,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086310401] [2022-07-23 03:12:10,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:12:10,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:12:10,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:12:10,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:12:10,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:12:10,616 INFO L87 Difference]: Start difference. First operand 4024 states and 5644 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-23 03:12:21,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:12:21,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:12:21,770 INFO L93 Difference]: Finished difference Result 4355 states and 6187 transitions. [2022-07-23 03:12:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:12:21,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2022-07-23 03:12:21,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:12:21,799 INFO L225 Difference]: With dead ends: 4355 [2022-07-23 03:12:21,800 INFO L226 Difference]: Without dead ends: 4353 [2022-07-23 03:12:21,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:12:21,806 INFO L413 NwaCegarLoop]: 5147 mSDtfsCounter, 5869 mSDsluCounter, 8376 mSDsCounter, 0 mSdLazyCounter, 6441 mSolverCounterSat, 2884 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6477 SdHoareTripleChecker+Valid, 13523 SdHoareTripleChecker+Invalid, 9326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2884 IncrementalHoareTripleChecker+Valid, 6441 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:12:21,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6477 Valid, 13523 Invalid, 9326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2884 Valid, 6441 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-07-23 03:12:21,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4353 states. [2022-07-23 03:12:21,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4353 to 4028. [2022-07-23 03:12:21,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4028 states, 2658 states have (on average 1.2610985703536493) internal successors, (3352), 2761 states have internal predecessors, (3352), 1149 states have call successors, (1149), 219 states have call predecessors, (1149), 218 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-07-23 03:12:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 4028 states and 5647 transitions. [2022-07-23 03:12:22,010 INFO L78 Accepts]: Start accepts. Automaton has 4028 states and 5647 transitions. Word has length 82 [2022-07-23 03:12:22,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:12:22,010 INFO L495 AbstractCegarLoop]: Abstraction has 4028 states and 5647 transitions. [2022-07-23 03:12:22,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-23 03:12:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 5647 transitions. [2022-07-23 03:12:22,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-23 03:12:22,012 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:12:22,013 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:12:22,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 03:12:22,013 INFO L420 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)] === [2022-07-23 03:12:22,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:12:22,014 INFO L85 PathProgramCache]: Analyzing trace with hash 991355451, now seen corresponding path program 1 times [2022-07-23 03:12:22,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:12:22,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247567482] [2022-07-23 03:12:22,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:12:22,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:12:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:12:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:12:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:12:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:12:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:12:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:12:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:12:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:12:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 03:12:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 03:12:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 03:12:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:12:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 03:12:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 03:12:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-07-23 03:12:22,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:12:22,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247567482] [2022-07-23 03:12:22,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247567482] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:12:22,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:12:22,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:12:22,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491921599] [2022-07-23 03:12:22,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:12:22,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:12:22,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:12:22,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:12:22,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:12:22,542 INFO L87 Difference]: Start difference. First operand 4028 states and 5647 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 03:12:33,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:12:35,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:12:35,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:12:35,778 INFO L93 Difference]: Finished difference Result 4359 states and 6190 transitions. [2022-07-23 03:12:35,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:12:35,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 102 [2022-07-23 03:12:35,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:12:35,807 INFO L225 Difference]: With dead ends: 4359 [2022-07-23 03:12:35,808 INFO L226 Difference]: Without dead ends: 4357 [2022-07-23 03:12:35,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:12:35,814 INFO L413 NwaCegarLoop]: 5149 mSDtfsCounter, 5858 mSDsluCounter, 8382 mSDsCounter, 0 mSdLazyCounter, 6440 mSolverCounterSat, 2883 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6463 SdHoareTripleChecker+Valid, 13531 SdHoareTripleChecker+Invalid, 9325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2883 IncrementalHoareTripleChecker+Valid, 6440 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:12:35,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6463 Valid, 13531 Invalid, 9325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2883 Valid, 6440 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2022-07-23 03:12:35,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4357 states. [2022-07-23 03:12:35,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4357 to 4032. [2022-07-23 03:12:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4032 states, 2661 states have (on average 1.260804208944006) internal successors, (3355), 2764 states have internal predecessors, (3355), 1149 states have call successors, (1149), 220 states have call predecessors, (1149), 219 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-07-23 03:12:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4032 states to 4032 states and 5650 transitions. [2022-07-23 03:12:36,022 INFO L78 Accepts]: Start accepts. Automaton has 4032 states and 5650 transitions. Word has length 102 [2022-07-23 03:12:36,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:12:36,024 INFO L495 AbstractCegarLoop]: Abstraction has 4032 states and 5650 transitions. [2022-07-23 03:12:36,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 03:12:36,024 INFO L276 IsEmpty]: Start isEmpty. Operand 4032 states and 5650 transitions. [2022-07-23 03:12:36,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-23 03:12:36,026 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:12:36,026 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:12:36,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 03:12:36,027 INFO L420 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)] === [2022-07-23 03:12:36,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:12:36,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1707459953, now seen corresponding path program 1 times [2022-07-23 03:12:36,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:12:36,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320489966] [2022-07-23 03:12:36,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:12:36,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:12:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:12:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:12:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:12:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:12:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:12:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:12:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:12:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:12:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 03:12:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 03:12:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 03:12:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:12:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 03:12:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 03:12:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 03:12:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:36,458 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-23 03:12:36,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:12:36,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320489966] [2022-07-23 03:12:36,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320489966] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:12:36,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:12:36,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:12:36,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621329737] [2022-07-23 03:12:36,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:12:36,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:12:36,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:12:36,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:12:36,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:12:36,461 INFO L87 Difference]: Start difference. First operand 4032 states and 5650 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-23 03:12:46,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:12:48,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:12:49,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:12:49,424 INFO L93 Difference]: Finished difference Result 4363 states and 6193 transitions. [2022-07-23 03:12:49,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:12:49,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 107 [2022-07-23 03:12:49,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:12:49,452 INFO L225 Difference]: With dead ends: 4363 [2022-07-23 03:12:49,452 INFO L226 Difference]: Without dead ends: 4361 [2022-07-23 03:12:49,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:12:49,457 INFO L413 NwaCegarLoop]: 5151 mSDtfsCounter, 5855 mSDsluCounter, 8384 mSDsCounter, 0 mSdLazyCounter, 6440 mSolverCounterSat, 2880 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6462 SdHoareTripleChecker+Valid, 13535 SdHoareTripleChecker+Invalid, 9322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2880 IncrementalHoareTripleChecker+Valid, 6440 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:12:49,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6462 Valid, 13535 Invalid, 9322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2880 Valid, 6440 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2022-07-23 03:12:49,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4361 states. [2022-07-23 03:12:49,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4361 to 4036. [2022-07-23 03:12:49,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4036 states, 2664 states have (on average 1.2605105105105106) internal successors, (3358), 2767 states have internal predecessors, (3358), 1149 states have call successors, (1149), 221 states have call predecessors, (1149), 220 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-07-23 03:12:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4036 states to 4036 states and 5653 transitions. [2022-07-23 03:12:49,670 INFO L78 Accepts]: Start accepts. Automaton has 4036 states and 5653 transitions. Word has length 107 [2022-07-23 03:12:49,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:12:49,671 INFO L495 AbstractCegarLoop]: Abstraction has 4036 states and 5653 transitions. [2022-07-23 03:12:49,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-23 03:12:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 4036 states and 5653 transitions. [2022-07-23 03:12:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-23 03:12:49,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:12:49,673 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:12:49,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 03:12:49,674 INFO L420 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)] === [2022-07-23 03:12:49,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:12:49,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1782733118, now seen corresponding path program 1 times [2022-07-23 03:12:49,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:12:49,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76322729] [2022-07-23 03:12:49,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:12:49,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:12:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:12:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:49,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:12:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:49,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:12:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:49,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:12:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:12:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:12:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:12:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:12:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:12:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 03:12:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 03:12:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 03:12:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 03:12:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:12:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 03:12:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:12:50,094 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-23 03:12:50,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:12:50,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76322729] [2022-07-23 03:12:50,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76322729] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:12:50,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:12:50,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:12:50,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457982409] [2022-07-23 03:12:50,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:12:50,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:12:50,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:12:50,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:12:50,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:12:50,096 INFO L87 Difference]: Start difference. First operand 4036 states and 5653 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-23 03:13:00,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:02,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:13:03,018 INFO L93 Difference]: Finished difference Result 4367 states and 6196 transitions. [2022-07-23 03:13:03,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:13:03,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97 [2022-07-23 03:13:03,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:13:03,038 INFO L225 Difference]: With dead ends: 4367 [2022-07-23 03:13:03,038 INFO L226 Difference]: Without dead ends: 4365 [2022-07-23 03:13:03,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:13:03,041 INFO L413 NwaCegarLoop]: 5148 mSDtfsCounter, 5867 mSDsluCounter, 8376 mSDsCounter, 0 mSdLazyCounter, 6440 mSolverCounterSat, 2879 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6477 SdHoareTripleChecker+Valid, 13524 SdHoareTripleChecker+Invalid, 9321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2879 IncrementalHoareTripleChecker+Valid, 6440 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:13:03,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6477 Valid, 13524 Invalid, 9321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2879 Valid, 6440 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2022-07-23 03:13:03,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-23 03:13:03,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 4040. [2022-07-23 03:13:03,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4040 states, 2667 states have (on average 1.260217472815898) internal successors, (3361), 2770 states have internal predecessors, (3361), 1149 states have call successors, (1149), 222 states have call predecessors, (1149), 221 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-07-23 03:13:03,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4040 states to 4040 states and 5656 transitions. [2022-07-23 03:13:03,241 INFO L78 Accepts]: Start accepts. Automaton has 4040 states and 5656 transitions. Word has length 97 [2022-07-23 03:13:03,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:13:03,241 INFO L495 AbstractCegarLoop]: Abstraction has 4040 states and 5656 transitions. [2022-07-23 03:13:03,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-23 03:13:03,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4040 states and 5656 transitions. [2022-07-23 03:13:03,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-23 03:13:03,243 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:13:03,244 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:13:03,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 03:13:03,244 INFO L420 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)] === [2022-07-23 03:13:03,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:13:03,245 INFO L85 PathProgramCache]: Analyzing trace with hash -581616783, now seen corresponding path program 1 times [2022-07-23 03:13:03,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:13:03,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388441393] [2022-07-23 03:13:03,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:13:03,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:13:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:13:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:13:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:13:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:13:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:13:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:13:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 03:13:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 03:13:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 03:13:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:13:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 03:13:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 03:13:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 03:13:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 03:13:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 03:13:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:03,663 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-23 03:13:03,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:13:03,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388441393] [2022-07-23 03:13:03,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388441393] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:13:03,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:13:03,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:13:03,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674695797] [2022-07-23 03:13:03,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:13:03,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:13:03,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:13:03,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:13:03,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:13:03,667 INFO L87 Difference]: Start difference. First operand 4040 states and 5656 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 03:13:14,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:14,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:13:14,741 INFO L93 Difference]: Finished difference Result 4371 states and 6199 transitions. [2022-07-23 03:13:14,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:13:14,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 117 [2022-07-23 03:13:14,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:13:14,757 INFO L225 Difference]: With dead ends: 4371 [2022-07-23 03:13:14,757 INFO L226 Difference]: Without dead ends: 4369 [2022-07-23 03:13:14,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:13:14,760 INFO L413 NwaCegarLoop]: 5151 mSDtfsCounter, 5855 mSDsluCounter, 8384 mSDsCounter, 0 mSdLazyCounter, 6441 mSolverCounterSat, 2878 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6462 SdHoareTripleChecker+Valid, 13535 SdHoareTripleChecker+Invalid, 9320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2878 IncrementalHoareTripleChecker+Valid, 6441 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-07-23 03:13:14,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6462 Valid, 13535 Invalid, 9320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2878 Valid, 6441 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-07-23 03:13:14,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4369 states. [2022-07-23 03:13:14,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 4044. [2022-07-23 03:13:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4044 states, 2670 states have (on average 1.259925093632959) internal successors, (3364), 2773 states have internal predecessors, (3364), 1149 states have call successors, (1149), 223 states have call predecessors, (1149), 222 states have return successors, (1146), 1114 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-07-23 03:13:14,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4044 states to 4044 states and 5659 transitions. [2022-07-23 03:13:14,963 INFO L78 Accepts]: Start accepts. Automaton has 4044 states and 5659 transitions. Word has length 117 [2022-07-23 03:13:14,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:13:14,964 INFO L495 AbstractCegarLoop]: Abstraction has 4044 states and 5659 transitions. [2022-07-23 03:13:14,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 03:13:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4044 states and 5659 transitions. [2022-07-23 03:13:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-23 03:13:14,966 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:13:14,966 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:13:14,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 03:13:14,966 INFO L420 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)] === [2022-07-23 03:13:14,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:13:14,967 INFO L85 PathProgramCache]: Analyzing trace with hash -214088830, now seen corresponding path program 1 times [2022-07-23 03:13:14,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:13:14,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969713515] [2022-07-23 03:13:14,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:13:14,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:13:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:13:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:13:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:13:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:13:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:13:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:13:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:13:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 03:13:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 03:13:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 03:13:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 03:13:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:13:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 03:13:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 03:13:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 03:13:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-23 03:13:15,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:13:15,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969713515] [2022-07-23 03:13:15,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969713515] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:13:15,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:13:15,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:13:15,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177003330] [2022-07-23 03:13:15,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:13:15,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:13:15,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:13:15,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:13:15,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:13:15,365 INFO L87 Difference]: Start difference. First operand 4044 states and 5659 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 03:13:26,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:28,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:28,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:13:28,703 INFO L93 Difference]: Finished difference Result 4456 states and 6278 transitions. [2022-07-23 03:13:28,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 03:13:28,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 107 [2022-07-23 03:13:28,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:13:28,717 INFO L225 Difference]: With dead ends: 4456 [2022-07-23 03:13:28,718 INFO L226 Difference]: Without dead ends: 4454 [2022-07-23 03:13:28,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:13:28,720 INFO L413 NwaCegarLoop]: 5193 mSDtfsCounter, 5416 mSDsluCounter, 8824 mSDsCounter, 0 mSdLazyCounter, 6767 mSolverCounterSat, 2829 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5930 SdHoareTripleChecker+Valid, 14017 SdHoareTripleChecker+Invalid, 9598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2829 IncrementalHoareTripleChecker+Valid, 6767 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:13:28,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5930 Valid, 14017 Invalid, 9598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2829 Valid, 6767 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2022-07-23 03:13:28,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2022-07-23 03:13:28,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4127. [2022-07-23 03:13:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4127 states, 2726 states have (on average 1.2560528246515041) internal successors, (3424), 2829 states have internal predecessors, (3424), 1158 states have call successors, (1158), 241 states have call predecessors, (1158), 240 states have return successors, (1155), 1123 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-07-23 03:13:28,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4127 states to 4127 states and 5737 transitions. [2022-07-23 03:13:28,929 INFO L78 Accepts]: Start accepts. Automaton has 4127 states and 5737 transitions. Word has length 107 [2022-07-23 03:13:28,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:13:28,930 INFO L495 AbstractCegarLoop]: Abstraction has 4127 states and 5737 transitions. [2022-07-23 03:13:28,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 03:13:28,930 INFO L276 IsEmpty]: Start isEmpty. Operand 4127 states and 5737 transitions. [2022-07-23 03:13:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-23 03:13:28,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:13:28,932 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:13:28,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 03:13:28,933 INFO L420 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)] === [2022-07-23 03:13:28,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:13:28,933 INFO L85 PathProgramCache]: Analyzing trace with hash -84221583, now seen corresponding path program 1 times [2022-07-23 03:13:28,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:13:28,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291758357] [2022-07-23 03:13:28,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:13:28,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:13:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:13:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:13:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:13:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:13:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:13:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:13:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 03:13:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 03:13:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 03:13:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:13:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 03:13:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 03:13:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 03:13:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 03:13:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 03:13:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:13:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 03:13:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-23 03:13:29,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:13:29,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291758357] [2022-07-23 03:13:29,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291758357] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:13:29,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:13:29,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:13:29,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665450983] [2022-07-23 03:13:29,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:13:29,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:13:29,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:13:29,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:13:29,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:13:29,318 INFO L87 Difference]: Start difference. First operand 4127 states and 5737 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-23 03:13:40,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:41,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:13:41,534 INFO L93 Difference]: Finished difference Result 4458 states and 6280 transitions. [2022-07-23 03:13:41,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:13:41,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2022-07-23 03:13:41,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:13:41,553 INFO L225 Difference]: With dead ends: 4458 [2022-07-23 03:13:41,553 INFO L226 Difference]: Without dead ends: 4456 [2022-07-23 03:13:41,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:13:41,556 INFO L413 NwaCegarLoop]: 5151 mSDtfsCounter, 5855 mSDsluCounter, 8384 mSDsCounter, 0 mSdLazyCounter, 6441 mSolverCounterSat, 2876 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6462 SdHoareTripleChecker+Valid, 13535 SdHoareTripleChecker+Invalid, 9318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2876 IncrementalHoareTripleChecker+Valid, 6441 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:13:41,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6462 Valid, 13535 Invalid, 9318 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2876 Valid, 6441 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2022-07-23 03:13:41,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2022-07-23 03:13:41,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 4131. [2022-07-23 03:13:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4131 states, 2729 states have (on average 1.2557713448149506) internal successors, (3427), 2832 states have internal predecessors, (3427), 1158 states have call successors, (1158), 242 states have call predecessors, (1158), 241 states have return successors, (1155), 1123 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-07-23 03:13:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 4131 states and 5740 transitions. [2022-07-23 03:13:41,777 INFO L78 Accepts]: Start accepts. Automaton has 4131 states and 5740 transitions. Word has length 127 [2022-07-23 03:13:41,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:13:41,779 INFO L495 AbstractCegarLoop]: Abstraction has 4131 states and 5740 transitions. [2022-07-23 03:13:41,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-23 03:13:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 4131 states and 5740 transitions. [2022-07-23 03:13:41,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-23 03:13:41,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:13:41,782 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:13:41,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 03:13:41,782 INFO L420 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)] === [2022-07-23 03:13:41,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:13:41,782 INFO L85 PathProgramCache]: Analyzing trace with hash -387866558, now seen corresponding path program 1 times [2022-07-23 03:13:41,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:13:41,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226758028] [2022-07-23 03:13:41,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:13:41,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:13:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:13:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:13:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:13:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:13:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:13:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:13:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:13:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-23 03:13:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 03:13:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 03:13:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 03:13:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:13:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 03:13:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 03:13:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 03:13:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 03:13:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 03:13:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-07-23 03:13:42,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:13:42,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226758028] [2022-07-23 03:13:42,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226758028] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:13:42,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:13:42,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:13:42,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575413380] [2022-07-23 03:13:42,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:13:42,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:13:42,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:13:42,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:13:42,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:13:42,144 INFO L87 Difference]: Start difference. First operand 4131 states and 5740 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-23 03:13:52,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:54,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:13:55,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:13:55,052 INFO L93 Difference]: Finished difference Result 4462 states and 6283 transitions. [2022-07-23 03:13:55,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 03:13:55,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2022-07-23 03:13:55,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:13:55,073 INFO L225 Difference]: With dead ends: 4462 [2022-07-23 03:13:55,073 INFO L226 Difference]: Without dead ends: 4460 [2022-07-23 03:13:55,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:13:55,077 INFO L413 NwaCegarLoop]: 5148 mSDtfsCounter, 5867 mSDsluCounter, 8376 mSDsCounter, 0 mSdLazyCounter, 6440 mSolverCounterSat, 2875 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6477 SdHoareTripleChecker+Valid, 13524 SdHoareTripleChecker+Invalid, 9317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2875 IncrementalHoareTripleChecker+Valid, 6440 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:13:55,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6477 Valid, 13524 Invalid, 9317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2875 Valid, 6440 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2022-07-23 03:13:55,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4460 states. [2022-07-23 03:13:55,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4460 to 4135. [2022-07-23 03:13:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4135 states, 2732 states have (on average 1.2554904831625182) internal successors, (3430), 2835 states have internal predecessors, (3430), 1158 states have call successors, (1158), 243 states have call predecessors, (1158), 242 states have return successors, (1155), 1123 states have call predecessors, (1155), 1155 states have call successors, (1155) [2022-07-23 03:13:55,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 4135 states and 5743 transitions. [2022-07-23 03:13:55,407 INFO L78 Accepts]: Start accepts. Automaton has 4135 states and 5743 transitions. Word has length 117 [2022-07-23 03:13:55,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:13:55,407 INFO L495 AbstractCegarLoop]: Abstraction has 4135 states and 5743 transitions. [2022-07-23 03:13:55,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-23 03:13:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 4135 states and 5743 transitions. [2022-07-23 03:13:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-23 03:13:55,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:13:55,410 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:13:55,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 03:13:55,411 INFO L420 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)] === [2022-07-23 03:13:55,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:13:55,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2092611441, now seen corresponding path program 1 times [2022-07-23 03:13:55,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:13:55,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703594531] [2022-07-23 03:13:55,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:13:55,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:13:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:13:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 03:13:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-23 03:13:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 03:13:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:13:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 03:13:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 03:13:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 03:13:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 03:13:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 03:13:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 03:13:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 03:13:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 03:13:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 03:13:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 03:13:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 03:13:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:13:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 03:13:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 03:13:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 03:13:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:13:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-07-23 03:13:55,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:13:55,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703594531] [2022-07-23 03:13:55,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703594531] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:13:55,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:13:55,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:13:55,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883656228] [2022-07-23 03:13:55,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:13:55,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:13:55,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:13:55,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:13:55,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:13:55,825 INFO L87 Difference]: Start difference. First operand 4135 states and 5743 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)