./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-challenges/linux-3.14_complex_emg_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 678d1ed0889f06c506279e4c19484f47385b64dd1d4a949ec484624bf8468835 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:29:07,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:29:07,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:29:07,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:29:07,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:29:07,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:29:07,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:29:07,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:29:07,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:29:07,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:29:07,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:29:07,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:29:07,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:29:07,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:29:07,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:29:07,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:29:07,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:29:07,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:29:07,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:29:07,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:29:07,925 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:29:07,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:29:07,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:29:07,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:29:07,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:29:07,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:29:07,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:29:07,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:29:07,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:29:07,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:29:07,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:29:07,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:29:07,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:29:07,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:29:07,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:29:07,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:29:07,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:29:07,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:29:07,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:29:07,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:29:07,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:29:07,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:29:07,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:29:07,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:29:07,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:29:07,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:29:07,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:29:07,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:29:07,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:29:07,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:29:07,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:29:07,966 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:29:07,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:29:07,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:29:07,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:29:07,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:29:07,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:29:07,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:29:07,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:29:07,968 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:29:07,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:29:07,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:29:07,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:29:07,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:29:07,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:29:07,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:29:07,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:29:07,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:29:07,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:29:07,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:29:07,970 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:29:07,970 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:29:07,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:29:07,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 678d1ed0889f06c506279e4c19484f47385b64dd1d4a949ec484624bf8468835 [2022-07-12 16:29:08,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:29:08,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:29:08,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:29:08,216 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:29:08,217 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:29:08,218 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-12 16:29:08,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16767ac04/a653830e8e1b41d68c2da51737b631bf/FLAG06d3176ae [2022-07-12 16:29:09,119 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:29:09,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-12 16:29:09,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16767ac04/a653830e8e1b41d68c2da51737b631bf/FLAG06d3176ae [2022-07-12 16:29:09,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16767ac04/a653830e8e1b41d68c2da51737b631bf [2022-07-12 16:29:09,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:29:09,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:29:09,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:29:09,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:29:09,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:29:09,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:29:09" (1/1) ... [2022-07-12 16:29:09,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb91898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:09, skipping insertion in model container [2022-07-12 16:29:09,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:29:09" (1/1) ... [2022-07-12 16:29:09,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:29:09,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:29:17,541 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596672,596685] [2022-07-12 16:29:17,543 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596841,596854] [2022-07-12 16:29:17,544 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597008,597021] [2022-07-12 16:29:17,544 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597176,597189] [2022-07-12 16:29:17,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:29:17,680 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:29:18,341 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596672,596685] [2022-07-12 16:29:18,342 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596841,596854] [2022-07-12 16:29:18,342 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597008,597021] [2022-07-12 16:29:18,343 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597176,597189] [2022-07-12 16:29:18,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:29:18,662 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:29:18,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18 WrapperNode [2022-07-12 16:29:18,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:29:18,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:29:18,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:29:18,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:29:18,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18" (1/1) ... [2022-07-12 16:29:18,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18" (1/1) ... [2022-07-12 16:29:19,223 INFO L137 Inliner]: procedures = 824, calls = 5690, calls flagged for inlining = 430, calls inlined = 371, statements flattened = 11681 [2022-07-12 16:29:19,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:29:19,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:29:19,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:29:19,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:29:19,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18" (1/1) ... [2022-07-12 16:29:19,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18" (1/1) ... [2022-07-12 16:29:19,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18" (1/1) ... [2022-07-12 16:29:19,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18" (1/1) ... [2022-07-12 16:29:19,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18" (1/1) ... [2022-07-12 16:29:19,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18" (1/1) ... [2022-07-12 16:29:19,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18" (1/1) ... [2022-07-12 16:29:19,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:29:19,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:29:19,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:29:19,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:29:19,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18" (1/1) ... [2022-07-12 16:29:19,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:29:19,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:29:19,820 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) [2022-07-12 16:29:19,847 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 [2022-07-12 16:29:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:29:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:29:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-07-12 16:29:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-07-12 16:29:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-07-12 16:29:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-07-12 16:29:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-07-12 16:29:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-07-12 16:29:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:29:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:29:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-07-12 16:29:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-07-12 16:29:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-07-12 16:29:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-07-12 16:29:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:29:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:29:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-12 16:29:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-12 16:29:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 16:29:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 16:29:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-07-12 16:29:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-07-12 16:29:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:29:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:29:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-12 16:29:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-12 16:29:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-07-12 16:29:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-07-12 16:29:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:29:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:29:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:29:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:29:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-07-12 16:29:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-07-12 16:29:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 16:29:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 16:29:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 16:29:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 16:29:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-07-12 16:29:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-07-12 16:29:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2022-07-12 16:29:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2022-07-12 16:29:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 16:29:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 16:29:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-07-12 16:29:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-07-12 16:29:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:29:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:29:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:29:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:29:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-07-12 16:29:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-07-12 16:29:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 16:29:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-07-12 16:29:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-07-12 16:29:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2022-07-12 16:29:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2022-07-12 16:29:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 16:29:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 16:29:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:29:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:29:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-12 16:29:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-12 16:29:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-12 16:29:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-12 16:29:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 16:29:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 16:29:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:29:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:29:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-07-12 16:29:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-07-12 16:29:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-12 16:29:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-12 16:29:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:29:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:29:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:29:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:29:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:29:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:29:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:29:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-07-12 16:29:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-07-12 16:29:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-12 16:29:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-12 16:29:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 16:29:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 16:29:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-12 16:29:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-12 16:29:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-12 16:29:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-12 16:29:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-12 16:29:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-12 16:29:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:29:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-07-12 16:29:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-07-12 16:29:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-07-12 16:29:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-07-12 16:29:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-07-12 16:29:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-07-12 16:29:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:29:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:29:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:29:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:29:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:29:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 16:29:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-07-12 16:29:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-07-12 16:29:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 16:29:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 16:29:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-07-12 16:29:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-07-12 16:29:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-07-12 16:29:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-07-12 16:29:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-12 16:29:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-12 16:29:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:29:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:29:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-07-12 16:29:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-07-12 16:29:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:29:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:29:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-07-12 16:29:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-07-12 16:29:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:29:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:29:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-07-12 16:29:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-07-12 16:29:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:29:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:29:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-07-12 16:29:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-07-12 16:29:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 16:29:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 16:29:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-07-12 16:29:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-07-12 16:29:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 16:29:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 16:29:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:29:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:29:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:29:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-12 16:29:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-12 16:29:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-12 16:29:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-12 16:29:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:29:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:29:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-07-12 16:29:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-07-12 16:29:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 16:29:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-07-12 16:29:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-07-12 16:29:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:29:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:29:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-07-12 16:29:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-07-12 16:29:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-07-12 16:29:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-07-12 16:29:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 16:29:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 16:29:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-12 16:29:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-12 16:29:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 16:29:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 16:29:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-07-12 16:29:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-07-12 16:29:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:29:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:29:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-12 16:29:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-12 16:29:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 16:29:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 16:29:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-07-12 16:29:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-07-12 16:29:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 16:29:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 16:29:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2022-07-12 16:29:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2022-07-12 16:29:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-07-12 16:29:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-07-12 16:29:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-07-12 16:29:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-07-12 16:29:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-07-12 16:29:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-07-12 16:29:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:29:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 16:29:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 16:29:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:29:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-07-12 16:29:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-07-12 16:29:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 16:29:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 16:29:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-07-12 16:29:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-07-12 16:29:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:29:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:29:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-12 16:29:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-12 16:29:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 16:29:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 16:29:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-07-12 16:29:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-07-12 16:29:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 16:29:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 16:29:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-07-12 16:29:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-07-12 16:29:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 16:29:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 16:29:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-12 16:29:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-12 16:29:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2022-07-12 16:29:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2022-07-12 16:29:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:29:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:29:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-07-12 16:29:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-07-12 16:29:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 16:29:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-07-12 16:29:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-07-12 16:29:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:29:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:29:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-07-12 16:29:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-07-12 16:29:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-12 16:29:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-12 16:29:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-07-12 16:29:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-07-12 16:29:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-12 16:29:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-12 16:29:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-12 16:29:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-12 16:29:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-12 16:29:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-12 16:29:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-07-12 16:29:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-07-12 16:29:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-07-12 16:29:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-07-12 16:29:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 16:29:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 16:29:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:29:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:29:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-12 16:29:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-12 16:29:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-07-12 16:29:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-07-12 16:29:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:29:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:29:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 16:29:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 16:29:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-07-12 16:29:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-07-12 16:29:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-07-12 16:29:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-07-12 16:29:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-07-12 16:29:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-07-12 16:29:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-12 16:29:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-12 16:29:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-07-12 16:29:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-07-12 16:29:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:29:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:29:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-07-12 16:29:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-07-12 16:29:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 16:29:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 16:29:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2022-07-12 16:29:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2022-07-12 16:29:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:29:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:29:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:29:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:29:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-07-12 16:29:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-07-12 16:29:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:29:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-12 16:29:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-12 16:29:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-07-12 16:29:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-07-12 16:29:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-12 16:29:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-12 16:29:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 16:29:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 16:29:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:29:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:29:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-07-12 16:29:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-07-12 16:29:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 16:29:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-12 16:29:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-12 16:29:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 16:29:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:29:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:29:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-07-12 16:29:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-07-12 16:29:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:29:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:29:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:29:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:29:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:29:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:29:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-07-12 16:29:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-07-12 16:29:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-12 16:29:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-12 16:29:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-07-12 16:29:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-07-12 16:29:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-07-12 16:29:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-07-12 16:29:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:29:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:29:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-07-12 16:29:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-07-12 16:29:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:29:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:29:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-07-12 16:29:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-07-12 16:29:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-07-12 16:29:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-07-12 16:29:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 16:29:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 16:29:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-07-12 16:29:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-07-12 16:29:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-07-12 16:29:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-07-12 16:29:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-12 16:29:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-12 16:29:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-07-12 16:29:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-07-12 16:29:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:29:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:29:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:29:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-07-12 16:29:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-07-12 16:29:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:29:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:29:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2022-07-12 16:29:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2022-07-12 16:29:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 16:29:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 16:29:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-07-12 16:29:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-07-12 16:29:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-07-12 16:29:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-07-12 16:29:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-12 16:29:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-12 16:29:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-07-12 16:29:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-07-12 16:29:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-12 16:29:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-12 16:29:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 16:29:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 16:29:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-07-12 16:29:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-07-12 16:29:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-07-12 16:29:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-07-12 16:29:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-12 16:29:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-12 16:29:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-07-12 16:29:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-07-12 16:29:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-07-12 16:29:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-07-12 16:29:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-07-12 16:29:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-07-12 16:29:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-12 16:29:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-12 16:29:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-12 16:29:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-12 16:29:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:29:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:29:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 16:29:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 16:29:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:29:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:29:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:29:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2022-07-12 16:29:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2022-07-12 16:29:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 16:29:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 16:29:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-12 16:29:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-12 16:29:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-12 16:29:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-12 16:29:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 16:29:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 16:29:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-12 16:29:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-12 16:29:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:29:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:29:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2022-07-12 16:29:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2022-07-12 16:29:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-07-12 16:29:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-07-12 16:29:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-12 16:29:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-12 16:29:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-07-12 16:29:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-07-12 16:29:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-07-12 16:29:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-07-12 16:29:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-07-12 16:29:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-07-12 16:29:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:29:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:29:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-07-12 16:29:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-07-12 16:29:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-12 16:29:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-12 16:29:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-12 16:29:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-12 16:29:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-07-12 16:29:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-07-12 16:29:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:29:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:29:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-12 16:29:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-12 16:29:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-12 16:29:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-12 16:29:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-07-12 16:29:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-07-12 16:29:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:29:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:29:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-07-12 16:29:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-07-12 16:29:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-07-12 16:29:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-07-12 16:29:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-12 16:29:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-12 16:29:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-07-12 16:29:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-07-12 16:29:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:29:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:29:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 16:29:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 16:29:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-07-12 16:29:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-07-12 16:29:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-07-12 16:29:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-07-12 16:29:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-12 16:29:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-12 16:29:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 16:29:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 16:29:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-07-12 16:29:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-07-12 16:29:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 16:29:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-07-12 16:29:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-07-12 16:29:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:29:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:29:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-12 16:29:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-12 16:29:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2022-07-12 16:29:20,002 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2022-07-12 16:29:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 16:29:21,304 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:29:21,307 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:29:21,442 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:29:32,468 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:29:39,802 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:29:39,842 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:29:39,843 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-07-12 16:29:39,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:29:39 BoogieIcfgContainer [2022-07-12 16:29:39,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:29:39,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:29:39,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:29:39,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:29:39,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:29:09" (1/3) ... [2022-07-12 16:29:39,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e351e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:29:39, skipping insertion in model container [2022-07-12 16:29:39,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:29:18" (2/3) ... [2022-07-12 16:29:39,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e351e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:29:39, skipping insertion in model container [2022-07-12 16:29:39,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:29:39" (3/3) ... [2022-07-12 16:29:39,863 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-12 16:29:39,881 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:29:39,881 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 16:29:40,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:29:40,033 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@3a45a553, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@701271f5 [2022-07-12 16:29:40,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 16:29:40,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 4539 states, 3078 states have (on average 1.3235867446393763) internal successors, (4074), 3159 states have internal predecessors, (4074), 1244 states have call successors, (1244), 216 states have call predecessors, (1244), 215 states have return successors, (1234), 1209 states have call predecessors, (1234), 1234 states have call successors, (1234) [2022-07-12 16:29:40,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-12 16:29:40,095 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:29:40,096 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:29:40,098 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)] === [2022-07-12 16:29:40,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:29:40,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1356022128, now seen corresponding path program 1 times [2022-07-12 16:29:40,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:29:40,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681285291] [2022-07-12 16:29:40,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:29:40,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:29:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:29:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:29:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:29:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:29:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:29:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:29:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:29:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:29:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:29:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:29:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:29:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:29:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:29:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:29:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:29:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:29:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:29:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:29:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:29:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:29:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:29:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:29:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:29:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:29:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:29:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:29:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:29:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:41,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:29:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:29:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:29:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:29:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:29:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:29:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 16:29:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-12 16:29:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:29:42,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-12 16:29:42,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:29:42,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681285291] [2022-07-12 16:29:42,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681285291] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:29:42,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:29:42,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:29:42,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82595852] [2022-07-12 16:29:42,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:29:42,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:29:42,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:29:42,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:29:42,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:29:42,215 INFO L87 Difference]: Start difference. First operand has 4539 states, 3078 states have (on average 1.3235867446393763) internal successors, (4074), 3159 states have internal predecessors, (4074), 1244 states have call successors, (1244), 216 states have call predecessors, (1244), 215 states have return successors, (1234), 1209 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-12 16:30:00,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:30:00,743 INFO L93 Difference]: Finished difference Result 13771 states and 20401 transitions. [2022-07-12 16:30:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:30:00,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 382 [2022-07-12 16:30:00,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:30:00,853 INFO L225 Difference]: With dead ends: 13771 [2022-07-12 16:30:00,853 INFO L226 Difference]: Without dead ends: 9285 [2022-07-12 16:30:00,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:30:00,913 INFO L413 NwaCegarLoop]: 6622 mSDtfsCounter, 8094 mSDsluCounter, 6087 mSDsCounter, 0 mSdLazyCounter, 5391 mSolverCounterSat, 4168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9254 SdHoareTripleChecker+Valid, 12709 SdHoareTripleChecker+Invalid, 9559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4168 IncrementalHoareTripleChecker+Valid, 5391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:30:00,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9254 Valid, 12709 Invalid, 9559 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4168 Valid, 5391 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2022-07-12 16:30:00,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9285 states. [2022-07-12 16:30:01,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9285 to 8743. [2022-07-12 16:30:01,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8743 states, 5925 states have (on average 1.2840506329113923) internal successors, (7608), 6086 states have internal predecessors, (7608), 2389 states have call successors, (2389), 427 states have call predecessors, (2389), 426 states have return successors, (2385), 2335 states have call predecessors, (2385), 2385 states have call successors, (2385) [2022-07-12 16:30:01,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8743 states to 8743 states and 12382 transitions. [2022-07-12 16:30:01,978 INFO L78 Accepts]: Start accepts. Automaton has 8743 states and 12382 transitions. Word has length 382 [2022-07-12 16:30:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:30:01,980 INFO L495 AbstractCegarLoop]: Abstraction has 8743 states and 12382 transitions. [2022-07-12 16:30:01,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-12 16:30:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 8743 states and 12382 transitions. [2022-07-12 16:30:02,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-07-12 16:30:02,004 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:30:02,004 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:30:02,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 16:30:02,005 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:30:02,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:30:02,014 INFO L85 PathProgramCache]: Analyzing trace with hash 326842464, now seen corresponding path program 1 times [2022-07-12 16:30:02,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:30:02,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766130952] [2022-07-12 16:30:02,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:30:02,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:30:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:30:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:30:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:30:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:30:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:30:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:30:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:30:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:30:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:30:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:30:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:30:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:30:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:30:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:30:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:30:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:30:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:30:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:30:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:30:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:30:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:30:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:30:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:02,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:30:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:30:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:30:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:30:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:30:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:30:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:30:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:30:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:30:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:30:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 16:30:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-12 16:30:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 16:30:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-12 16:30:03,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:30:03,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766130952] [2022-07-12 16:30:03,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766130952] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:30:03,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:30:03,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:30:03,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730267899] [2022-07-12 16:30:03,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:30:03,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:30:03,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:30:03,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:30:03,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:30:03,299 INFO L87 Difference]: Start difference. First operand 8743 states and 12382 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 16:30:18,851 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 [] [2022-07-12 16:30:21,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:30:21,276 INFO L93 Difference]: Finished difference Result 21843 states and 31130 transitions. [2022-07-12 16:30:21,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:30:21,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 415 [2022-07-12 16:30:21,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:30:21,399 INFO L225 Difference]: With dead ends: 21843 [2022-07-12 16:30:21,399 INFO L226 Difference]: Without dead ends: 13169 [2022-07-12 16:30:21,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:30:21,460 INFO L413 NwaCegarLoop]: 6572 mSDtfsCounter, 7600 mSDsluCounter, 6115 mSDsCounter, 0 mSdLazyCounter, 5335 mSolverCounterSat, 4093 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8677 SdHoareTripleChecker+Valid, 12687 SdHoareTripleChecker+Invalid, 9429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4093 IncrementalHoareTripleChecker+Valid, 5335 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:30:21,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8677 Valid, 12687 Invalid, 9429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4093 Valid, 5335 Invalid, 1 Unknown, 0 Unchecked, 16.8s Time] [2022-07-12 16:30:21,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13169 states. [2022-07-12 16:30:22,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13169 to 12344. [2022-07-12 16:30:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12344 states, 8361 states have (on average 1.281066858031336) internal successors, (10711), 8586 states have internal predecessors, (10711), 3358 states have call successors, (3358), 624 states have call predecessors, (3358), 622 states have return successors, (3354), 3276 states have call predecessors, (3354), 3354 states have call successors, (3354) [2022-07-12 16:30:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12344 states to 12344 states and 17423 transitions. [2022-07-12 16:30:22,252 INFO L78 Accepts]: Start accepts. Automaton has 12344 states and 17423 transitions. Word has length 415 [2022-07-12 16:30:22,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:30:22,258 INFO L495 AbstractCegarLoop]: Abstraction has 12344 states and 17423 transitions. [2022-07-12 16:30:22,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 16:30:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 12344 states and 17423 transitions. [2022-07-12 16:30:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-07-12 16:30:22,274 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:30:22,274 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:30:22,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 16:30:22,275 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:30:22,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:30:22,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1572111467, now seen corresponding path program 1 times [2022-07-12 16:30:22,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:30:22,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302494674] [2022-07-12 16:30:22,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:30:22,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:30:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:30:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:30:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:30:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:30:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:30:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:30:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:30:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:30:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:30:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:30:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:30:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:30:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:30:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:22,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:30:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:30:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:30:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:30:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:30:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:30:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:30:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:30:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:30:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:30:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:30:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:30:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:30:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:30:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:30:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:30:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:30:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:30:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:30:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 16:30:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-12 16:30:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-12 16:30:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-12 16:30:23,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:30:23,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302494674] [2022-07-12 16:30:23,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302494674] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:30:23,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:30:23,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:30:23,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656845983] [2022-07-12 16:30:23,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:30:23,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:30:23,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:30:23,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:30:23,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:30:23,541 INFO L87 Difference]: Start difference. First operand 12344 states and 17423 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 16:30:38,914 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 [] [2022-07-12 16:30:42,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:30:42,619 INFO L93 Difference]: Finished difference Result 37612 states and 53462 transitions. [2022-07-12 16:30:42,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:30:42,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 416 [2022-07-12 16:30:42,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:30:42,808 INFO L225 Difference]: With dead ends: 37612 [2022-07-12 16:30:42,808 INFO L226 Difference]: Without dead ends: 25337 [2022-07-12 16:30:42,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:30:42,902 INFO L413 NwaCegarLoop]: 7959 mSDtfsCounter, 7038 mSDsluCounter, 6374 mSDsCounter, 0 mSdLazyCounter, 5480 mSolverCounterSat, 3693 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8172 SdHoareTripleChecker+Valid, 14333 SdHoareTripleChecker+Invalid, 9174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3693 IncrementalHoareTripleChecker+Valid, 5480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-07-12 16:30:42,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8172 Valid, 14333 Invalid, 9174 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3693 Valid, 5480 Invalid, 1 Unknown, 0 Unchecked, 18.0s Time] [2022-07-12 16:30:42,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25337 states. [2022-07-12 16:30:44,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25337 to 23829. [2022-07-12 16:30:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23829 states, 16134 states have (on average 1.2795339035577042) internal successors, (20644), 16569 states have internal predecessors, (20644), 6475 states have call successors, (6475), 1220 states have call predecessors, (6475), 1217 states have return successors, (6471), 6318 states have call predecessors, (6471), 6471 states have call successors, (6471) [2022-07-12 16:30:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23829 states to 23829 states and 33590 transitions. [2022-07-12 16:30:44,213 INFO L78 Accepts]: Start accepts. Automaton has 23829 states and 33590 transitions. Word has length 416 [2022-07-12 16:30:44,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:30:44,215 INFO L495 AbstractCegarLoop]: Abstraction has 23829 states and 33590 transitions. [2022-07-12 16:30:44,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 16:30:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 23829 states and 33590 transitions. [2022-07-12 16:30:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-12 16:30:44,229 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:30:44,229 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:30:44,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 16:30:44,230 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:30:44,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:30:44,231 INFO L85 PathProgramCache]: Analyzing trace with hash -423110265, now seen corresponding path program 1 times [2022-07-12 16:30:44,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:30:44,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770777513] [2022-07-12 16:30:44,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:30:44,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:30:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:30:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:30:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:30:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:30:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:30:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:30:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:30:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:30:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:30:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:30:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:44,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:30:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:30:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:30:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:30:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:30:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:30:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:30:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:30:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:30:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:30:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:30:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:30:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:30:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:30:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:30:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:30:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:30:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:30:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:30:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:30:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:30:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:30:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 16:30:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-12 16:30:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 16:30:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:30:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:30:45,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-12 16:30:45,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:30:45,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770777513] [2022-07-12 16:30:45,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770777513] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:30:45,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:30:45,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:30:45,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261870915] [2022-07-12 16:30:45,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:30:45,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:30:45,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:30:45,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:30:45,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:30:45,522 INFO L87 Difference]: Start difference. First operand 23829 states and 33590 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 16:31:00,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:31:01,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:31:01,514 INFO L93 Difference]: Finished difference Result 60150 states and 84938 transitions. [2022-07-12 16:31:01,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:31:01,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 418 [2022-07-12 16:31:01,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:31:01,783 INFO L225 Difference]: With dead ends: 60150 [2022-07-12 16:31:01,783 INFO L226 Difference]: Without dead ends: 36390 [2022-07-12 16:31:01,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:31:01,895 INFO L413 NwaCegarLoop]: 6425 mSDtfsCounter, 6717 mSDsluCounter, 6022 mSDsCounter, 0 mSdLazyCounter, 5241 mSolverCounterSat, 3925 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7668 SdHoareTripleChecker+Valid, 12447 SdHoareTripleChecker+Invalid, 9167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3925 IncrementalHoareTripleChecker+Valid, 5241 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:31:01,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7668 Valid, 12447 Invalid, 9167 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3925 Valid, 5241 Invalid, 1 Unknown, 0 Unchecked, 14.7s Time] [2022-07-12 16:31:01,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36390 states. [2022-07-12 16:31:03,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36390 to 34191. [2022-07-12 16:31:03,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34191 states, 22786 states have (on average 1.2674449223207231) internal successors, (28880), 23424 states have internal predecessors, (28880), 9463 states have call successors, (9463), 1930 states have call predecessors, (9463), 1939 states have return successors, (9508), 9236 states have call predecessors, (9508), 9459 states have call successors, (9508) [2022-07-12 16:31:03,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34191 states to 34191 states and 47851 transitions. [2022-07-12 16:31:03,877 INFO L78 Accepts]: Start accepts. Automaton has 34191 states and 47851 transitions. Word has length 418 [2022-07-12 16:31:03,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:31:03,880 INFO L495 AbstractCegarLoop]: Abstraction has 34191 states and 47851 transitions. [2022-07-12 16:31:03,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 16:31:03,880 INFO L276 IsEmpty]: Start isEmpty. Operand 34191 states and 47851 transitions. [2022-07-12 16:31:03,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-07-12 16:31:03,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:31:03,893 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:31:03,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 16:31:03,894 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 16:31:03,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:31:03,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1992342949, now seen corresponding path program 1 times [2022-07-12 16:31:03,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:31:03,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765713846] [2022-07-12 16:31:03,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:31:03,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:31:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:31:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:31:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:31:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:31:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:31:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:31:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:04,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:31:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:31:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:31:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:31:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:31:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:31:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:31:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:31:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:31:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:31:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:31:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:31:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:31:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:31:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:31:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:31:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:31:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:31:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:31:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:31:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:31:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:31:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:31:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:31:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:31:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:31:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 16:31:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-12 16:31:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:31:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:31:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 16:31:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 16:31:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:05,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4564 trivial. 0 not checked. [2022-07-12 16:31:05,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:31:05,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765713846] [2022-07-12 16:31:05,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765713846] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:31:05,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:31:05,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:31:05,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965746716] [2022-07-12 16:31:05,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:31:05,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:31:05,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:31:05,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:31:05,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:31:05,573 INFO L87 Difference]: Start difference. First operand 34191 states and 47851 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-12 16:31:20,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:31:20,466 INFO L93 Difference]: Finished difference Result 92348 states and 130002 transitions. [2022-07-12 16:31:20,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:31:20,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 443 [2022-07-12 16:31:20,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:31:21,051 INFO L225 Difference]: With dead ends: 92348 [2022-07-12 16:31:21,052 INFO L226 Difference]: Without dead ends: 58226 [2022-07-12 16:31:21,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:31:21,194 INFO L413 NwaCegarLoop]: 7091 mSDtfsCounter, 7876 mSDsluCounter, 6323 mSDsCounter, 0 mSdLazyCounter, 5425 mSolverCounterSat, 4104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9034 SdHoareTripleChecker+Valid, 13414 SdHoareTripleChecker+Invalid, 9529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4104 IncrementalHoareTripleChecker+Valid, 5425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-07-12 16:31:21,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9034 Valid, 13414 Invalid, 9529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4104 Valid, 5425 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2022-07-12 16:31:21,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58226 states. [2022-07-12 16:31:23,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58226 to 55042. [2022-07-12 16:31:23,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55042 states, 36962 states have (on average 1.2685460743466264) internal successors, (46888), 38000 states have internal predecessors, (46888), 15008 states have call successors, (15008), 3050 states have call predecessors, (15008), 3069 states have return successors, (15102), 14628 states have call predecessors, (15102), 15004 states have call successors, (15102) [2022-07-12 16:31:23,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55042 states to 55042 states and 76998 transitions. [2022-07-12 16:31:23,794 INFO L78 Accepts]: Start accepts. Automaton has 55042 states and 76998 transitions. Word has length 443 [2022-07-12 16:31:23,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:31:23,796 INFO L495 AbstractCegarLoop]: Abstraction has 55042 states and 76998 transitions. [2022-07-12 16:31:23,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-12 16:31:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 55042 states and 76998 transitions. [2022-07-12 16:31:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-07-12 16:31:23,805 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:31:23,806 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:31:23,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 16:31:23,806 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)] === [2022-07-12 16:31:23,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:31:23,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1760882849, now seen corresponding path program 1 times [2022-07-12 16:31:23,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:31:23,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583737776] [2022-07-12 16:31:23,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:31:23,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:31:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:31:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:31:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:31:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:31:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:31:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:31:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:31:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:31:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:31:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:31:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:31:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:31:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:31:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:31:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:31:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:31:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:31:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:31:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:31:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:31:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:31:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:31:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:31:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:31:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:31:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:31:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:24,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:31:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:31:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:31:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:31:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:31:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:31:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 16:31:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 16:31:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:31:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 16:31:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 16:31:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 16:31:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 16:31:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 16:31:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-12 16:31:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5190 trivial. 0 not checked. [2022-07-12 16:31:25,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:31:25,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583737776] [2022-07-12 16:31:25,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583737776] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:31:25,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:31:25,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 16:31:25,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097432475] [2022-07-12 16:31:25,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:31:25,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 16:31:25,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:31:25,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 16:31:25,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 16:31:25,214 INFO L87 Difference]: Start difference. First operand 55042 states and 76998 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:31:40,818 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 [] [2022-07-12 16:31:42,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:31:42,059 INFO L93 Difference]: Finished difference Result 168546 states and 237405 transitions. [2022-07-12 16:31:42,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 16:31:42,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 454 [2022-07-12 16:31:42,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:31:42,942 INFO L225 Difference]: With dead ends: 168546 [2022-07-12 16:31:42,942 INFO L226 Difference]: Without dead ends: 114010 [2022-07-12 16:31:43,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:31:43,122 INFO L413 NwaCegarLoop]: 7961 mSDtfsCounter, 7627 mSDsluCounter, 6843 mSDsCounter, 0 mSdLazyCounter, 5386 mSolverCounterSat, 3816 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8776 SdHoareTripleChecker+Valid, 14804 SdHoareTripleChecker+Invalid, 9203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3816 IncrementalHoareTripleChecker+Valid, 5386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:31:43,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8776 Valid, 14804 Invalid, 9203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3816 Valid, 5386 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2022-07-12 16:31:43,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114010 states. [2022-07-12 16:31:46,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114010 to 107758. [2022-07-12 16:31:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107758 states, 72369 states have (on average 1.2695629344056156) internal successors, (91877), 74369 states have internal predecessors, (91877), 29374 states have call successors, (29374), 5965 states have call predecessors, (29374), 6012 states have return successors, (29566), 28695 states have call predecessors, (29566), 29370 states have call successors, (29566) [2022-07-12 16:31:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107758 states to 107758 states and 150817 transitions. [2022-07-12 16:31:47,869 INFO L78 Accepts]: Start accepts. Automaton has 107758 states and 150817 transitions. Word has length 454 [2022-07-12 16:31:47,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:31:47,870 INFO L495 AbstractCegarLoop]: Abstraction has 107758 states and 150817 transitions. [2022-07-12 16:31:47,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 16:31:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 107758 states and 150817 transitions. [2022-07-12 16:31:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-07-12 16:31:47,877 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:31:47,877 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:31:47,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 16:31:47,877 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)] === [2022-07-12 16:31:47,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:31:47,878 INFO L85 PathProgramCache]: Analyzing trace with hash 162345185, now seen corresponding path program 1 times [2022-07-12 16:31:47,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:31:47,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184275149] [2022-07-12 16:31:47,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:31:47,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:31:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:31:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:31:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:31:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:31:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:31:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:31:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:31:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:31:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:31:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:31:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:31:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:31:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:31:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:31:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:31:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:31:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:31:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:48,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:31:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:31:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:31:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:31:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:31:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:31:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:31:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:31:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:31:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:31:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:31:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:31:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:31:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:31:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:31:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 16:31:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 16:31:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:31:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 16:31:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 16:31:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 16:31:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:31:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 16:31:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 16:31:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-12 16:31:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:31:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2022-07-12 16:31:49,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:31:49,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184275149] [2022-07-12 16:31:49,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184275149] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:31:49,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:31:49,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:31:49,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086512552] [2022-07-12 16:31:49,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:31:49,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:31:49,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:31:49,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:31:49,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:31:49,548 INFO L87 Difference]: Start difference. First operand 107758 states and 150817 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-12 16:32:03,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:32:03,158 INFO L93 Difference]: Finished difference Result 114764 states and 161669 transitions. [2022-07-12 16:32:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 16:32:03,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 454 [2022-07-12 16:32:03,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:32:03,842 INFO L225 Difference]: With dead ends: 114764 [2022-07-12 16:32:03,842 INFO L226 Difference]: Without dead ends: 114762 [2022-07-12 16:32:03,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:32:03,908 INFO L413 NwaCegarLoop]: 5874 mSDtfsCounter, 6557 mSDsluCounter, 9698 mSDsCounter, 0 mSdLazyCounter, 7050 mSolverCounterSat, 2939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7190 SdHoareTripleChecker+Valid, 15572 SdHoareTripleChecker+Invalid, 9989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2939 IncrementalHoareTripleChecker+Valid, 7050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:32:03,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7190 Valid, 15572 Invalid, 9989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2939 Valid, 7050 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-07-12 16:32:04,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114762 states. [2022-07-12 16:32:07,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114762 to 108512. [2022-07-12 16:32:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108512 states, 72876 states have (on average 1.2685383390965475) internal successors, (92446), 74908 states have internal predecessors, (92446), 29438 states have call successors, (29438), 6148 states have call predecessors, (29438), 6195 states have return successors, (29630), 28759 states have call predecessors, (29630), 29434 states have call successors, (29630) [2022-07-12 16:32:08,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108512 states to 108512 states and 151514 transitions. [2022-07-12 16:32:08,496 INFO L78 Accepts]: Start accepts. Automaton has 108512 states and 151514 transitions. Word has length 454 [2022-07-12 16:32:08,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:32:08,497 INFO L495 AbstractCegarLoop]: Abstraction has 108512 states and 151514 transitions. [2022-07-12 16:32:08,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-12 16:32:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 108512 states and 151514 transitions. [2022-07-12 16:32:08,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-07-12 16:32:08,505 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:32:08,505 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:32:08,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 16:32:08,506 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)] === [2022-07-12 16:32:08,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:32:08,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1451581504, now seen corresponding path program 1 times [2022-07-12 16:32:08,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:32:08,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861972273] [2022-07-12 16:32:08,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:32:08,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:32:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:32:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:32:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:32:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:32:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:32:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:32:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:32:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:32:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:32:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:32:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:32:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:32:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:32:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:32:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:32:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:32:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:32:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:32:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:32:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:32:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:32:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:32:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:32:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:32:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:32:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:32:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:32:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:32:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:32:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:32:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:32:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:32:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 16:32:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 16:32:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:32:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 16:32:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 16:32:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 16:32:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 16:32:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 16:32:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-12 16:32:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-12 16:32:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5204 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2022-07-12 16:32:09,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:32:09,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861972273] [2022-07-12 16:32:09,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861972273] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:32:09,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:32:09,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:32:09,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478058488] [2022-07-12 16:32:09,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:32:09,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:32:09,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:32:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:32:09,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:32:09,962 INFO L87 Difference]: Start difference. First operand 108512 states and 151514 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 16:32:23,079 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 [] [2022-07-12 16:32:24,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:32:24,186 INFO L93 Difference]: Finished difference Result 114766 states and 161671 transitions. [2022-07-12 16:32:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 16:32:24,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 459 [2022-07-12 16:32:24,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:32:24,864 INFO L225 Difference]: With dead ends: 114766 [2022-07-12 16:32:24,864 INFO L226 Difference]: Without dead ends: 114764 [2022-07-12 16:32:24,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:32:24,941 INFO L413 NwaCegarLoop]: 5858 mSDtfsCounter, 6548 mSDsluCounter, 9699 mSDsCounter, 0 mSdLazyCounter, 6947 mSolverCounterSat, 2925 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7200 SdHoareTripleChecker+Valid, 15557 SdHoareTripleChecker+Invalid, 9873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2925 IncrementalHoareTripleChecker+Valid, 6947 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:32:24,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7200 Valid, 15557 Invalid, 9873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2925 Valid, 6947 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2022-07-12 16:32:25,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114764 states. [2022-07-12 16:32:28,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114764 to 108516. [2022-07-12 16:32:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108516 states, 72879 states have (on average 1.2685272849517695) internal successors, (92449), 74911 states have internal predecessors, (92449), 29438 states have call successors, (29438), 6149 states have call predecessors, (29438), 6196 states have return successors, (29630), 28759 states have call predecessors, (29630), 29434 states have call successors, (29630) [2022-07-12 16:32:29,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108516 states to 108516 states and 151517 transitions. [2022-07-12 16:32:29,705 INFO L78 Accepts]: Start accepts. Automaton has 108516 states and 151517 transitions. Word has length 459 [2022-07-12 16:32:29,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:32:29,707 INFO L495 AbstractCegarLoop]: Abstraction has 108516 states and 151517 transitions. [2022-07-12 16:32:29,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 16:32:29,707 INFO L276 IsEmpty]: Start isEmpty. Operand 108516 states and 151517 transitions. [2022-07-12 16:32:29,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2022-07-12 16:32:29,717 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:32:29,717 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:32:29,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 16:32:29,718 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)] === [2022-07-12 16:32:29,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:32:29,718 INFO L85 PathProgramCache]: Analyzing trace with hash 327662593, now seen corresponding path program 1 times [2022-07-12 16:32:29,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:32:29,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577300247] [2022-07-12 16:32:29,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:32:29,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:32:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:32:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:32:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:32:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:32:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:32:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:32:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:32:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:32:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:32:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:32:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:32:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:32:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:32:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:32:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:32:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:32:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:32:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:32:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:32:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:32:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:32:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:32:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:32:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:32:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:32:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:32:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:32:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:32:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:32:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 16:32:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:30,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:32:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 16:32:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-12 16:32:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 16:32:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:32:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 16:32:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 16:32:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 16:32:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:32:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 16:32:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 16:32:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-12 16:32:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-12 16:32:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-12 16:32:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:32:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5210 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5206 trivial. 0 not checked. [2022-07-12 16:32:31,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:32:31,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577300247] [2022-07-12 16:32:31,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577300247] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:32:31,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:32:31,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:32:31,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534070505] [2022-07-12 16:32:31,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:32:31,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:32:31,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:32:31,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:32:31,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:32:31,162 INFO L87 Difference]: Start difference. First operand 108516 states and 151517 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44)