./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.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 ab0b375f71eb557eddedfb6836efa7383e8c24249ba51445e071f612ca1dd29b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:00:55,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:00:55,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:00:55,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:00:55,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:00:55,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:00:55,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:00:55,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:00:55,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:00:55,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:00:55,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:00:55,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:00:55,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:00:55,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:00:55,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:00:55,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:00:55,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:00:55,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:00:55,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:00:55,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:00:55,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:00:55,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:00:55,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:00:55,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:00:55,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:00:55,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:00:55,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:00:55,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:00:55,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:00:55,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:00:55,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:00:55,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:00:55,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:00:55,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:00:55,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:00:55,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:00:55,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:00:55,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:00:55,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:00:55,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:00:55,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:00:55,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:00:55,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:00:55,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:00:55,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:00:55,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:00:55,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:00:55,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:00:55,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:00:55,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:00:55,995 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:00:55,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:00:55,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:00:55,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:00:55,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:00:55,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:00:55,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:00:55,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:00:55,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:00:55,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:00:55,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:00:55,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:00:55,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:00:55,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:00:55,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:00:55,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:00:55,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:00:55,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:00:55,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:00:55,999 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:00:55,999 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:00:55,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:00:55,999 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab0b375f71eb557eddedfb6836efa7383e8c24249ba51445e071f612ca1dd29b [2021-12-28 05:00:56,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:00:56,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:00:56,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:00:56,308 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:00:56,309 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:00:56,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-12-28 05:00:56,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b983d7fd/d50fd513f59a47b2b985de8acd55acf7/FLAGce14f2986 [2021-12-28 05:00:57,305 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:00:57,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-12-28 05:00:57,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b983d7fd/d50fd513f59a47b2b985de8acd55acf7/FLAGce14f2986 [2021-12-28 05:00:57,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b983d7fd/d50fd513f59a47b2b985de8acd55acf7 [2021-12-28 05:00:57,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:00:57,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:00:57,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:00:57,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:00:57,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:00:57,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:00:57" (1/1) ... [2021-12-28 05:00:57,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ec2fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:00:57, skipping insertion in model container [2021-12-28 05:00:57,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:00:57" (1/1) ... [2021-12-28 05:00:57,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:00:58,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:01:04,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647538,647551] [2021-12-28 05:01:04,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647707,647720] [2021-12-28 05:01:04,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647874,647887] [2021-12-28 05:01:04,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[648042,648055] [2021-12-28 05:01:04,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:01:04,892 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:01:05,544 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-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647538,647551] [2021-12-28 05:01:05,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647707,647720] [2021-12-28 05:01:05,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647874,647887] [2021-12-28 05:01:05,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[648042,648055] [2021-12-28 05:01:05,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:01:06,127 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:01:06,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06 WrapperNode [2021-12-28 05:01:06,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:01:06,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:01:06,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:01:06,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:01:06,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06" (1/1) ... [2021-12-28 05:01:06,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06" (1/1) ... [2021-12-28 05:01:06,665 INFO L137 Inliner]: procedures = 794, calls = 7637, calls flagged for inlining = 373, calls inlined = 338, statements flattened = 15779 [2021-12-28 05:01:06,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:01:06,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:01:06,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:01:06,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:01:06,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06" (1/1) ... [2021-12-28 05:01:06,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06" (1/1) ... [2021-12-28 05:01:06,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06" (1/1) ... [2021-12-28 05:01:06,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06" (1/1) ... [2021-12-28 05:01:07,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06" (1/1) ... [2021-12-28 05:01:07,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06" (1/1) ... [2021-12-28 05:01:07,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06" (1/1) ... [2021-12-28 05:01:07,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:01:07,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:01:07,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:01:07,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:01:07,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06" (1/1) ... [2021-12-28 05:01:07,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:01:07,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:01:07,445 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) [2021-12-28 05:01:07,494 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 [2021-12-28 05:01:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-28 05:01:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-28 05:01:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-28 05:01:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 05:01:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 05:01:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-12-28 05:01:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-12-28 05:01:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-12-28 05:01:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-12-28 05:01:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-12-28 05:01:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-12-28 05:01:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-12-28 05:01:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-12-28 05:01:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-28 05:01:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-28 05:01:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-12-28 05:01:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-12-28 05:01:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:01:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:01:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:01:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:01:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 05:01:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 05:01:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-28 05:01:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-28 05:01:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-12-28 05:01:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-12-28 05:01:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-12-28 05:01:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-12-28 05:01:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 05:01:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 05:01:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 05:01:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 05:01:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-12-28 05:01:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-12-28 05:01:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-12-28 05:01:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-12-28 05:01:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 05:01:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 05:01:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 05:01:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 05:01:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-12-28 05:01:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-12-28 05:01:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-12-28 05:01:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-12-28 05:01:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-12-28 05:01:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-12-28 05:01:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-12-28 05:01:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-12-28 05:01:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-28 05:01:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-28 05:01:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-12-28 05:01:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-12-28 05:01:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-12-28 05:01:07,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-12-28 05:01:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 05:01:07,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 05:01:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-12-28 05:01:07,528 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-12-28 05:01:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-28 05:01:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-28 05:01:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:01:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:01:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-12-28 05:01:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-12-28 05:01:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-12-28 05:01:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-12-28 05:01:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-12-28 05:01:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-12-28 05:01:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:01:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:01:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:01:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-28 05:01:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-28 05:01:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-28 05:01:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-28 05:01:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:01:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:01:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-28 05:01:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-28 05:01:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-28 05:01:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-28 05:01:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-12-28 05:01:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-12-28 05:01:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-12-28 05:01:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-12-28 05:01:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 05:01:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 05:01:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 05:01:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 05:01:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-12-28 05:01:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-12-28 05:01:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:01:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:01:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:01:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-12-28 05:01:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-12-28 05:01:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-28 05:01:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-28 05:01:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:01:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:01:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:01:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:01:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:01:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:01:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 05:01:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-28 05:01:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-28 05:01:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-12-28 05:01:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-12-28 05:01:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 05:01:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 05:01:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-12-28 05:01:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-12-28 05:01:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 05:01:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 05:01:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2021-12-28 05:01:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2021-12-28 05:01:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:01:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:01:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:01:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:01:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-28 05:01:07,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-28 05:01:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-12-28 05:01:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-12-28 05:01:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 05:01:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 05:01:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2021-12-28 05:01:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2021-12-28 05:01:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:01:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:01:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-12-28 05:01:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-12-28 05:01:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-12-28 05:01:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-12-28 05:01:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 05:01:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 05:01:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:01:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-28 05:01:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-28 05:01:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 05:01:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 05:01:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-28 05:01:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-28 05:01:07,567 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 05:01:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 05:01:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-28 05:01:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-12-28 05:01:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-12-28 05:01:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:01:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:01:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-12-28 05:01:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-12-28 05:01:07,568 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-12-28 05:01:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-12-28 05:01:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 05:01:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 05:01:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-28 05:01:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-28 05:01:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 05:01:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 05:01:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-28 05:01:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-28 05:01:07,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:01:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:01:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-28 05:01:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-28 05:01:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-12-28 05:01:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-12-28 05:01:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-28 05:01:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-28 05:01:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:01:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 05:01:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 05:01:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-12-28 05:01:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-12-28 05:01:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-12-28 05:01:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-12-28 05:01:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-12-28 05:01:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-12-28 05:01:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:01:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-28 05:01:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-28 05:01:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-12-28 05:01:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-12-28 05:01:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-12-28 05:01:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-12-28 05:01:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-12-28 05:01:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-12-28 05:01:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 05:01:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 05:01:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-12-28 05:01:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-12-28 05:01:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:01:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:01:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 05:01:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 05:01:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-28 05:01:07,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-28 05:01:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-28 05:01:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-28 05:01:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 05:01:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 05:01:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 05:01:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 05:01:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-28 05:01:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-28 05:01:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:01:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:01:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-12-28 05:01:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-12-28 05:01:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:01:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-28 05:01:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-28 05:01:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:01:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:01:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-12-28 05:01:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-12-28 05:01:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2021-12-28 05:01:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2021-12-28 05:01:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-28 05:01:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-28 05:01:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-12-28 05:01:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-12-28 05:01:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-12-28 05:01:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-12-28 05:01:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-12-28 05:01:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-12-28 05:01:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 05:01:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 05:01:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-28 05:01:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-28 05:01:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-12-28 05:01:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-12-28 05:01:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-12-28 05:01:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-12-28 05:01:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-28 05:01:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-28 05:01:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-12-28 05:01:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-12-28 05:01:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-12-28 05:01:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-12-28 05:01:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-12-28 05:01:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-12-28 05:01:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 05:01:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 05:01:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-12-28 05:01:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-12-28 05:01:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-12-28 05:01:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-12-28 05:01:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-12-28 05:01:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-12-28 05:01:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 05:01:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 05:01:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-28 05:01:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-12-28 05:01:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-12-28 05:01:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-12-28 05:01:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-12-28 05:01:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-28 05:01:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-28 05:01:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 05:01:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 05:01:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure ql_timer [2021-12-28 05:01:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_timer [2021-12-28 05:01:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:01:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:01:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-28 05:01:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-28 05:01:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-28 05:01:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-28 05:01:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-12-28 05:01:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-12-28 05:01:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:01:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:01:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 05:01:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 05:01:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-12-28 05:01:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-12-28 05:01:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-28 05:01:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-28 05:01:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 05:01:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 05:01:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-28 05:01:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-28 05:01:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 05:01:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 05:01:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-12-28 05:01:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-12-28 05:01:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2021-12-28 05:01:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2021-12-28 05:01:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-12-28 05:01:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-12-28 05:01:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 05:01:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 05:01:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-12-28 05:01:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-12-28 05:01:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-12-28 05:01:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-12-28 05:01:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-12-28 05:01:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-12-28 05:01:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:01:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:01:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-12-28 05:01:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-12-28 05:01:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 05:01:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 05:01:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:01:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:01:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:01:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-12-28 05:01:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-12-28 05:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-12-28 05:01:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-12-28 05:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-28 05:01:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-28 05:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-12-28 05:01:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-12-28 05:01:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-28 05:01:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-28 05:01:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-12-28 05:01:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-12-28 05:01:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-28 05:01:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-28 05:01:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:01:07,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:01:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-12-28 05:01:07,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-12-28 05:01:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-28 05:01:07,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-28 05:01:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:01:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-12-28 05:01:07,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-12-28 05:01:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 05:01:07,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 05:01:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:01:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-12-28 05:01:07,605 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-12-28 05:01:07,605 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:01:07,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:01:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:01:07,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:01:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:01:07,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:01:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:01:07,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:01:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-12-28 05:01:07,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-12-28 05:01:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-12-28 05:01:07,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-12-28 05:01:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_88 [2021-12-28 05:01:07,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_88 [2021-12-28 05:01:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-12-28 05:01:07,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-12-28 05:01:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-12-28 05:01:07,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-12-28 05:01:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-12-28 05:01:07,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-12-28 05:01:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-28 05:01:07,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-28 05:01:07,607 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 05:01:07,608 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 05:01:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:01:07,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:01:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-12-28 05:01:07,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-12-28 05:01:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-12-28 05:01:07,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-12-28 05:01:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 05:01:07,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 05:01:07,608 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-12-28 05:01:07,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-12-28 05:01:07,609 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 05:01:07,609 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 05:01:07,609 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-12-28 05:01:07,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-12-28 05:01:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 05:01:07,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 05:01:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-28 05:01:07,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-28 05:01:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-12-28 05:01:07,610 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-12-28 05:01:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-28 05:01:07,610 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-28 05:01:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-12-28 05:01:07,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-12-28 05:01:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 05:01:07,611 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 05:01:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-28 05:01:07,611 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-28 05:01:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-12-28 05:01:07,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-12-28 05:01:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-12-28 05:01:07,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-12-28 05:01:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:01:07,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:01:07,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:01:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-28 05:01:07,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-28 05:01:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-12-28 05:01:07,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-12-28 05:01:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:01:07,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:01:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 05:01:07,612 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 05:01:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-28 05:01:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-28 05:01:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-12-28 05:01:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-12-28 05:01:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 05:01:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 05:01:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-12-28 05:01:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-12-28 05:01:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-12-28 05:01:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-12-28 05:01:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-12-28 05:01:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-12-28 05:01:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 05:01:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 05:01:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-12-28 05:01:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-12-28 05:01:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-12-28 05:01:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-12-28 05:01:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-12-28 05:01:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-12-28 05:01:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-12-28 05:01:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-12-28 05:01:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 05:01:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 05:01:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-28 05:01:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-28 05:01:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 05:01:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 05:01:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:01:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:01:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-28 05:01:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-28 05:01:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-28 05:01:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-28 05:01:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:01:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-12-28 05:01:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-12-28 05:01:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 05:01:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 05:01:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-28 05:01:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-28 05:01:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:01:07,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:01:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 05:01:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 05:01:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-12-28 05:01:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-12-28 05:01:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-12-28 05:01:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-12-28 05:01:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-12-28 05:01:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-12-28 05:01:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:01:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:01:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2021-12-28 05:01:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2021-12-28 05:01:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-12-28 05:01:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-12-28 05:01:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-28 05:01:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-28 05:01:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-12-28 05:01:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-12-28 05:01:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-28 05:01:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-28 05:01:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-12-28 05:01:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-12-28 05:01:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:01:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:01:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 05:01:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 05:01:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 05:01:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 05:01:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-12-28 05:01:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-12-28 05:01:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 05:01:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 05:01:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-12-28 05:01:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-12-28 05:01:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-28 05:01:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-28 05:01:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:01:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:01:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-12-28 05:01:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-12-28 05:01:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-12-28 05:01:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-12-28 05:01:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-28 05:01:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-28 05:01:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-12-28 05:01:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-12-28 05:01:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 05:01:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 05:01:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:01:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-28 05:01:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-28 05:01:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:01:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:01:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-28 05:01:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-28 05:01:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-12-28 05:01:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-12-28 05:01:07,624 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-12-28 05:01:07,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-12-28 05:01:08,876 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:01:08,879 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:01:08,968 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:01:28,004 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:01:28,030 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:01:28,031 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-28 05:01:28,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:01:28 BoogieIcfgContainer [2021-12-28 05:01:28,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:01:28,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:01:28,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:01:28,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:01:28,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:00:57" (1/3) ... [2021-12-28 05:01:28,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26312458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:01:28, skipping insertion in model container [2021-12-28 05:01:28,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:01:06" (2/3) ... [2021-12-28 05:01:28,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26312458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:01:28, skipping insertion in model container [2021-12-28 05:01:28,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:01:28" (3/3) ... [2021-12-28 05:01:28,042 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-12-28 05:01:28,045 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:01:28,045 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 05:01:28,096 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:01:28,102 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 05:01:28,103 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 05:01:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 4969 states, 3485 states have (on average 1.3351506456241033) internal successors, (4653), 3564 states have internal predecessors, (4653), 1236 states have call successors, (1236), 245 states have call predecessors, (1236), 244 states have return successors, (1230), 1211 states have call predecessors, (1230), 1230 states have call successors, (1230) [2021-12-28 05:01:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-28 05:01:28,172 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:28,172 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:28,173 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:28,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:28,176 INFO L85 PathProgramCache]: Analyzing trace with hash -362375395, now seen corresponding path program 1 times [2021-12-28 05:01:28,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:28,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578673335] [2021-12-28 05:01:28,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:28,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:28,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:28,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:28,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-28 05:01:28,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:28,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578673335] [2021-12-28 05:01:28,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578673335] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:28,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:28,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:28,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629699456] [2021-12-28 05:01:28,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:28,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:28,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:28,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:28,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:28,958 INFO L87 Difference]: Start difference. First operand has 4969 states, 3485 states have (on average 1.3351506456241033) internal successors, (4653), 3564 states have internal predecessors, (4653), 1236 states have call successors, (1236), 245 states have call predecessors, (1236), 244 states have return successors, (1230), 1211 states have call predecessors, (1230), 1230 states have call successors, (1230) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-28 05:01:29,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:29,323 INFO L93 Difference]: Finished difference Result 9891 states and 14297 transitions. [2021-12-28 05:01:29,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:29,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-12-28 05:01:29,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:29,360 INFO L225 Difference]: With dead ends: 9891 [2021-12-28 05:01:29,360 INFO L226 Difference]: Without dead ends: 4935 [2021-12-28 05:01:29,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:29,388 INFO L933 BasicCegarLoop]: 7058 mSDtfsCounter, 7033 mSDsluCounter, 14099 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7049 SdHoareTripleChecker+Valid, 21157 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:29,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7049 Valid, 21157 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:29,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4935 states. [2021-12-28 05:01:29,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4935 to 4935. [2021-12-28 05:01:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4935 states, 3458 states have (on average 1.3270676691729324) internal successors, (4589), 3534 states have internal predecessors, (4589), 1230 states have call successors, (1230), 245 states have call predecessors, (1230), 244 states have return successors, (1227), 1208 states have call predecessors, (1227), 1227 states have call successors, (1227) [2021-12-28 05:01:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4935 states to 4935 states and 7046 transitions. [2021-12-28 05:01:29,593 INFO L78 Accepts]: Start accepts. Automaton has 4935 states and 7046 transitions. Word has length 48 [2021-12-28 05:01:29,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:29,593 INFO L470 AbstractCegarLoop]: Abstraction has 4935 states and 7046 transitions. [2021-12-28 05:01:29,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-28 05:01:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 4935 states and 7046 transitions. [2021-12-28 05:01:29,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-28 05:01:29,596 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:29,596 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:29,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:01:29,596 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:29,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:29,597 INFO L85 PathProgramCache]: Analyzing trace with hash 392208065, now seen corresponding path program 1 times [2021-12-28 05:01:29,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:29,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899148581] [2021-12-28 05:01:29,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:29,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:29,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:29,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:29,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:29,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:29,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 05:01:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-28 05:01:29,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:29,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899148581] [2021-12-28 05:01:29,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899148581] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:29,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:29,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:29,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087705241] [2021-12-28 05:01:29,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:29,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:29,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:29,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:29,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:29,963 INFO L87 Difference]: Start difference. First operand 4935 states and 7046 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-28 05:01:30,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:30,170 INFO L93 Difference]: Finished difference Result 4941 states and 7051 transitions. [2021-12-28 05:01:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:30,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2021-12-28 05:01:30,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:30,201 INFO L225 Difference]: With dead ends: 4941 [2021-12-28 05:01:30,201 INFO L226 Difference]: Without dead ends: 4939 [2021-12-28 05:01:30,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:30,205 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7011 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7025 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:30,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7025 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:30,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2021-12-28 05:01:30,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4939. [2021-12-28 05:01:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4939 states, 3461 states have (on average 1.3267841664258884) internal successors, (4592), 3537 states have internal predecessors, (4592), 1230 states have call successors, (1230), 246 states have call predecessors, (1230), 245 states have return successors, (1227), 1208 states have call predecessors, (1227), 1227 states have call successors, (1227) [2021-12-28 05:01:30,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 7049 transitions. [2021-12-28 05:01:30,413 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 7049 transitions. Word has length 53 [2021-12-28 05:01:30,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:30,413 INFO L470 AbstractCegarLoop]: Abstraction has 4939 states and 7049 transitions. [2021-12-28 05:01:30,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-28 05:01:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 7049 transitions. [2021-12-28 05:01:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-28 05:01:30,415 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:30,416 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:30,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:01:30,416 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:30,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:30,431 INFO L85 PathProgramCache]: Analyzing trace with hash 9098589, now seen corresponding path program 1 times [2021-12-28 05:01:30,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:30,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012835118] [2021-12-28 05:01:30,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:30,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:30,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 05:01:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 05:01:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-28 05:01:31,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:31,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012835118] [2021-12-28 05:01:31,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012835118] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:31,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:31,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:31,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304333512] [2021-12-28 05:01:31,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:31,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:31,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:31,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:31,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:31,243 INFO L87 Difference]: Start difference. First operand 4939 states and 7049 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 05:01:31,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:31,417 INFO L93 Difference]: Finished difference Result 4945 states and 7054 transitions. [2021-12-28 05:01:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:31,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2021-12-28 05:01:31,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:31,439 INFO L225 Difference]: With dead ends: 4945 [2021-12-28 05:01:31,440 INFO L226 Difference]: Without dead ends: 4943 [2021-12-28 05:01:31,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:31,443 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7011 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7024 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:31,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7024 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:31,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4943 states. [2021-12-28 05:01:31,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4943 to 4943. [2021-12-28 05:01:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4943 states, 3464 states have (on average 1.326501154734411) internal successors, (4595), 3540 states have internal predecessors, (4595), 1230 states have call successors, (1230), 247 states have call predecessors, (1230), 246 states have return successors, (1227), 1208 states have call predecessors, (1227), 1227 states have call successors, (1227) [2021-12-28 05:01:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4943 states to 4943 states and 7052 transitions. [2021-12-28 05:01:31,582 INFO L78 Accepts]: Start accepts. Automaton has 4943 states and 7052 transitions. Word has length 58 [2021-12-28 05:01:31,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:31,582 INFO L470 AbstractCegarLoop]: Abstraction has 4943 states and 7052 transitions. [2021-12-28 05:01:31,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 05:01:31,583 INFO L276 IsEmpty]: Start isEmpty. Operand 4943 states and 7052 transitions. [2021-12-28 05:01:31,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-28 05:01:31,584 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:31,584 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:31,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:01:31,585 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:31,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:31,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1906538497, now seen corresponding path program 1 times [2021-12-28 05:01:31,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:31,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488858834] [2021-12-28 05:01:31,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:31,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 05:01:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 05:01:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-28 05:01:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:31,946 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-28 05:01:31,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:31,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488858834] [2021-12-28 05:01:31,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488858834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:31,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:31,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:31,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377911124] [2021-12-28 05:01:31,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:31,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:31,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:31,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:31,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:31,949 INFO L87 Difference]: Start difference. First operand 4943 states and 7052 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 05:01:32,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:32,130 INFO L93 Difference]: Finished difference Result 4981 states and 7082 transitions. [2021-12-28 05:01:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:32,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2021-12-28 05:01:32,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:32,153 INFO L225 Difference]: With dead ends: 4981 [2021-12-28 05:01:32,153 INFO L226 Difference]: Without dead ends: 4979 [2021-12-28 05:01:32,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:32,157 INFO L933 BasicCegarLoop]: 7046 mSDtfsCounter, 6958 mSDsluCounter, 14145 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6970 SdHoareTripleChecker+Valid, 21191 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:32,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6970 Valid, 21191 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:32,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4979 states. [2021-12-28 05:01:32,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4979 to 4977. [2021-12-28 05:01:32,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4977 states, 3488 states have (on average 1.3245412844036697) internal successors, (4620), 3564 states have internal predecessors, (4620), 1231 states have call successors, (1231), 256 states have call predecessors, (1231), 255 states have return successors, (1228), 1209 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-12-28 05:01:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 7079 transitions. [2021-12-28 05:01:32,318 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 7079 transitions. Word has length 63 [2021-12-28 05:01:32,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:32,319 INFO L470 AbstractCegarLoop]: Abstraction has 4977 states and 7079 transitions. [2021-12-28 05:01:32,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 05:01:32,320 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 7079 transitions. [2021-12-28 05:01:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-28 05:01:32,323 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:32,323 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:32,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 05:01:32,324 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:32,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:32,324 INFO L85 PathProgramCache]: Analyzing trace with hash 2023224221, now seen corresponding path program 1 times [2021-12-28 05:01:32,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:32,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959297133] [2021-12-28 05:01:32,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:32,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:32,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:32,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:32,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:32,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:32,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:32,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:32,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 05:01:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 05:01:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:32,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-28 05:01:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:32,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 05:01:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-28 05:01:32,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:32,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959297133] [2021-12-28 05:01:32,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959297133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:32,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:32,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:32,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478193133] [2021-12-28 05:01:32,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:32,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:32,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:32,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:32,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:32,652 INFO L87 Difference]: Start difference. First operand 4977 states and 7079 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-28 05:01:32,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:32,822 INFO L93 Difference]: Finished difference Result 4983 states and 7084 transitions. [2021-12-28 05:01:32,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:32,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2021-12-28 05:01:32,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:32,846 INFO L225 Difference]: With dead ends: 4983 [2021-12-28 05:01:32,847 INFO L226 Difference]: Without dead ends: 4981 [2021-12-28 05:01:32,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:32,850 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7011 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7022 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:32,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7022 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:32,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4981 states. [2021-12-28 05:01:32,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4981 to 4981. [2021-12-28 05:01:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4981 states, 3491 states have (on average 1.3242623890002865) internal successors, (4623), 3567 states have internal predecessors, (4623), 1231 states have call successors, (1231), 257 states have call predecessors, (1231), 256 states have return successors, (1228), 1209 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-12-28 05:01:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4981 states to 4981 states and 7082 transitions. [2021-12-28 05:01:33,004 INFO L78 Accepts]: Start accepts. Automaton has 4981 states and 7082 transitions. Word has length 68 [2021-12-28 05:01:33,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:33,006 INFO L470 AbstractCegarLoop]: Abstraction has 4981 states and 7082 transitions. [2021-12-28 05:01:33,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-28 05:01:33,006 INFO L276 IsEmpty]: Start isEmpty. Operand 4981 states and 7082 transitions. [2021-12-28 05:01:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-28 05:01:33,007 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:33,007 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:33,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 05:01:33,007 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:33,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:33,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1735823039, now seen corresponding path program 1 times [2021-12-28 05:01:33,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:33,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658862433] [2021-12-28 05:01:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:33,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 05:01:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 05:01:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-28 05:01:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 05:01:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 05:01:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-28 05:01:33,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:33,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658862433] [2021-12-28 05:01:33,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658862433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:33,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:33,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:33,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192917497] [2021-12-28 05:01:33,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:33,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:33,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:33,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:33,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:33,618 INFO L87 Difference]: Start difference. First operand 4981 states and 7082 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 05:01:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:33,859 INFO L93 Difference]: Finished difference Result 4987 states and 7087 transitions. [2021-12-28 05:01:33,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:33,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2021-12-28 05:01:33,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:33,906 INFO L225 Difference]: With dead ends: 4987 [2021-12-28 05:01:33,907 INFO L226 Difference]: Without dead ends: 4985 [2021-12-28 05:01:33,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:33,915 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7011 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7021 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:33,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7021 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:33,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4985 states. [2021-12-28 05:01:34,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4985 to 4985. [2021-12-28 05:01:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4985 states, 3494 states have (on average 1.3239839725243274) internal successors, (4626), 3570 states have internal predecessors, (4626), 1231 states have call successors, (1231), 258 states have call predecessors, (1231), 257 states have return successors, (1228), 1209 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-12-28 05:01:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4985 states to 4985 states and 7085 transitions. [2021-12-28 05:01:34,114 INFO L78 Accepts]: Start accepts. Automaton has 4985 states and 7085 transitions. Word has length 73 [2021-12-28 05:01:34,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:34,114 INFO L470 AbstractCegarLoop]: Abstraction has 4985 states and 7085 transitions. [2021-12-28 05:01:34,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 05:01:34,115 INFO L276 IsEmpty]: Start isEmpty. Operand 4985 states and 7085 transitions. [2021-12-28 05:01:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-28 05:01:34,116 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:34,116 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:34,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 05:01:34,117 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:34,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:34,117 INFO L85 PathProgramCache]: Analyzing trace with hash 754315741, now seen corresponding path program 1 times [2021-12-28 05:01:34,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:34,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334238315] [2021-12-28 05:01:34,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:34,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 05:01:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 05:01:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-28 05:01:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 05:01:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 05:01:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:01:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-28 05:01:34,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:34,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334238315] [2021-12-28 05:01:34,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334238315] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:34,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:34,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:34,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161669220] [2021-12-28 05:01:34,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:34,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:34,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:34,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:34,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:34,516 INFO L87 Difference]: Start difference. First operand 4985 states and 7085 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-28 05:01:34,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:34,726 INFO L93 Difference]: Finished difference Result 4991 states and 7090 transitions. [2021-12-28 05:01:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:34,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 78 [2021-12-28 05:01:34,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:34,749 INFO L225 Difference]: With dead ends: 4991 [2021-12-28 05:01:34,749 INFO L226 Difference]: Without dead ends: 4989 [2021-12-28 05:01:34,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:34,756 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7011 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7020 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:34,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7020 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:34,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4989 states. [2021-12-28 05:01:34,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4989 to 4989. [2021-12-28 05:01:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4989 states, 3497 states have (on average 1.3237060337432085) internal successors, (4629), 3573 states have internal predecessors, (4629), 1231 states have call successors, (1231), 259 states have call predecessors, (1231), 258 states have return successors, (1228), 1209 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-12-28 05:01:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4989 states to 4989 states and 7088 transitions. [2021-12-28 05:01:34,930 INFO L78 Accepts]: Start accepts. Automaton has 4989 states and 7088 transitions. Word has length 78 [2021-12-28 05:01:34,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:34,931 INFO L470 AbstractCegarLoop]: Abstraction has 4989 states and 7088 transitions. [2021-12-28 05:01:34,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-28 05:01:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 4989 states and 7088 transitions. [2021-12-28 05:01:34,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-28 05:01:34,937 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:34,937 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:34,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 05:01:34,938 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:34,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:34,938 INFO L85 PathProgramCache]: Analyzing trace with hash -223704447, now seen corresponding path program 1 times [2021-12-28 05:01:34,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:34,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325023551] [2021-12-28 05:01:34,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:34,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 05:01:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 05:01:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-28 05:01:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 05:01:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 05:01:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:01:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 05:01:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:35,304 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-12-28 05:01:35,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:35,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325023551] [2021-12-28 05:01:35,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325023551] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:35,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:35,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:35,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496376685] [2021-12-28 05:01:35,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:35,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:35,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:35,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:35,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:35,306 INFO L87 Difference]: Start difference. First operand 4989 states and 7088 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-28 05:01:35,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:35,614 INFO L93 Difference]: Finished difference Result 4995 states and 7093 transitions. [2021-12-28 05:01:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:35,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2021-12-28 05:01:35,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:35,631 INFO L225 Difference]: With dead ends: 4995 [2021-12-28 05:01:35,632 INFO L226 Difference]: Without dead ends: 4993 [2021-12-28 05:01:35,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:35,635 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7011 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7019 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:35,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7019 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:35,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4993 states. [2021-12-28 05:01:35,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4993 to 4993. [2021-12-28 05:01:35,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4993 states, 3500 states have (on average 1.3234285714285714) internal successors, (4632), 3576 states have internal predecessors, (4632), 1231 states have call successors, (1231), 260 states have call predecessors, (1231), 259 states have return successors, (1228), 1209 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-12-28 05:01:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4993 states to 4993 states and 7091 transitions. [2021-12-28 05:01:35,940 INFO L78 Accepts]: Start accepts. Automaton has 4993 states and 7091 transitions. Word has length 83 [2021-12-28 05:01:35,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:35,941 INFO L470 AbstractCegarLoop]: Abstraction has 4993 states and 7091 transitions. [2021-12-28 05:01:35,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-28 05:01:35,941 INFO L276 IsEmpty]: Start isEmpty. Operand 4993 states and 7091 transitions. [2021-12-28 05:01:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-28 05:01:35,943 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:35,943 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:35,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 05:01:35,943 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:35,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:35,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1052985721, now seen corresponding path program 1 times [2021-12-28 05:01:35,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:35,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181520113] [2021-12-28 05:01:35,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:35,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-28 05:01:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:01:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 05:01:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:01:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 05:01:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:01:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 05:01:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 05:01:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 05:01:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-12-28 05:01:36,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:36,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181520113] [2021-12-28 05:01:36,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181520113] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:36,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:36,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:36,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41886537] [2021-12-28 05:01:36,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:36,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:36,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:36,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:36,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:36,508 INFO L87 Difference]: Start difference. First operand 4993 states and 7091 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-28 05:01:36,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:36,783 INFO L93 Difference]: Finished difference Result 4999 states and 7096 transitions. [2021-12-28 05:01:36,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:36,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2021-12-28 05:01:36,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:36,806 INFO L225 Difference]: With dead ends: 4999 [2021-12-28 05:01:36,806 INFO L226 Difference]: Without dead ends: 4997 [2021-12-28 05:01:36,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:36,812 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7001 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7008 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:36,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7008 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:36,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4997 states. [2021-12-28 05:01:36,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4997 to 4997. [2021-12-28 05:01:36,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4997 states, 3503 states have (on average 1.323151584356266) internal successors, (4635), 3579 states have internal predecessors, (4635), 1231 states have call successors, (1231), 261 states have call predecessors, (1231), 260 states have return successors, (1228), 1209 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-12-28 05:01:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4997 states to 4997 states and 7094 transitions. [2021-12-28 05:01:37,018 INFO L78 Accepts]: Start accepts. Automaton has 4997 states and 7094 transitions. Word has length 101 [2021-12-28 05:01:37,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:37,020 INFO L470 AbstractCegarLoop]: Abstraction has 4997 states and 7094 transitions. [2021-12-28 05:01:37,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-28 05:01:37,020 INFO L276 IsEmpty]: Start isEmpty. Operand 4997 states and 7094 transitions. [2021-12-28 05:01:37,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-28 05:01:37,021 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:37,021 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:37,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 05:01:37,022 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:37,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:37,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1303359593, now seen corresponding path program 1 times [2021-12-28 05:01:37,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:37,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377616212] [2021-12-28 05:01:37,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:37,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-28 05:01:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:01:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 05:01:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:01:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 05:01:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:01:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 05:01:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 05:01:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 05:01:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:01:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:37,424 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-12-28 05:01:37,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:37,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377616212] [2021-12-28 05:01:37,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377616212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:37,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:37,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:37,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770335610] [2021-12-28 05:01:37,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:37,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:37,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:37,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:37,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:37,426 INFO L87 Difference]: Start difference. First operand 4997 states and 7094 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 05:01:37,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:37,633 INFO L93 Difference]: Finished difference Result 5003 states and 7099 transitions. [2021-12-28 05:01:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:37,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2021-12-28 05:01:37,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:37,654 INFO L225 Difference]: With dead ends: 5003 [2021-12-28 05:01:37,654 INFO L226 Difference]: Without dead ends: 5001 [2021-12-28 05:01:37,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:37,659 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7001 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7007 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:37,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7007 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:37,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5001 states. [2021-12-28 05:01:37,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5001 to 5001. [2021-12-28 05:01:37,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5001 states, 3506 states have (on average 1.322875071306332) internal successors, (4638), 3582 states have internal predecessors, (4638), 1231 states have call successors, (1231), 262 states have call predecessors, (1231), 261 states have return successors, (1228), 1209 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-12-28 05:01:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5001 states to 5001 states and 7097 transitions. [2021-12-28 05:01:37,842 INFO L78 Accepts]: Start accepts. Automaton has 5001 states and 7097 transitions. Word has length 106 [2021-12-28 05:01:37,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:37,842 INFO L470 AbstractCegarLoop]: Abstraction has 5001 states and 7097 transitions. [2021-12-28 05:01:37,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 05:01:37,842 INFO L276 IsEmpty]: Start isEmpty. Operand 5001 states and 7097 transitions. [2021-12-28 05:01:37,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-28 05:01:37,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:37,844 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:37,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-28 05:01:37,844 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:37,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:37,844 INFO L85 PathProgramCache]: Analyzing trace with hash -901476771, now seen corresponding path program 1 times [2021-12-28 05:01:37,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:37,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135221815] [2021-12-28 05:01:37,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:37,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 05:01:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 05:01:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-28 05:01:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 05:01:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 05:01:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:01:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 05:01:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:01:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 05:01:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 05:01:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-28 05:01:38,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:38,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135221815] [2021-12-28 05:01:38,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135221815] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:38,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:38,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:38,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602612506] [2021-12-28 05:01:38,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:38,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:38,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:38,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:38,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:38,317 INFO L87 Difference]: Start difference. First operand 5001 states and 7097 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 05:01:38,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:38,557 INFO L93 Difference]: Finished difference Result 5007 states and 7102 transitions. [2021-12-28 05:01:38,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:38,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 98 [2021-12-28 05:01:38,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:38,581 INFO L225 Difference]: With dead ends: 5007 [2021-12-28 05:01:38,581 INFO L226 Difference]: Without dead ends: 5005 [2021-12-28 05:01:38,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:38,587 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7011 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7016 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:38,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7016 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:38,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5005 states. [2021-12-28 05:01:38,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5005 to 5005. [2021-12-28 05:01:38,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5005 states, 3509 states have (on average 1.322599031062981) internal successors, (4641), 3585 states have internal predecessors, (4641), 1231 states have call successors, (1231), 263 states have call predecessors, (1231), 262 states have return successors, (1228), 1209 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-12-28 05:01:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5005 states to 5005 states and 7100 transitions. [2021-12-28 05:01:38,810 INFO L78 Accepts]: Start accepts. Automaton has 5005 states and 7100 transitions. Word has length 98 [2021-12-28 05:01:38,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:38,811 INFO L470 AbstractCegarLoop]: Abstraction has 5005 states and 7100 transitions. [2021-12-28 05:01:38,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 05:01:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 5005 states and 7100 transitions. [2021-12-28 05:01:38,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-28 05:01:38,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:38,813 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:38,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-28 05:01:38,813 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:38,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:38,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1448389289, now seen corresponding path program 1 times [2021-12-28 05:01:38,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:38,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606872517] [2021-12-28 05:01:38,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:38,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-28 05:01:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:01:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 05:01:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:01:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 05:01:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:01:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 05:01:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 05:01:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 05:01:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:01:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:01:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 05:01:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-12-28 05:01:39,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:39,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606872517] [2021-12-28 05:01:39,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606872517] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:39,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:39,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:39,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75374571] [2021-12-28 05:01:39,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:39,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:39,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:39,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:39,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:39,296 INFO L87 Difference]: Start difference. First operand 5005 states and 7100 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:01:39,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:39,496 INFO L93 Difference]: Finished difference Result 5011 states and 7105 transitions. [2021-12-28 05:01:39,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:39,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2021-12-28 05:01:39,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:39,517 INFO L225 Difference]: With dead ends: 5011 [2021-12-28 05:01:39,517 INFO L226 Difference]: Without dead ends: 5009 [2021-12-28 05:01:39,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:39,521 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7001 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7005 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:39,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7005 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:39,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5009 states. [2021-12-28 05:01:39,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5009 to 5009. [2021-12-28 05:01:39,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5009 states, 3512 states have (on average 1.3223234624145785) internal successors, (4644), 3588 states have internal predecessors, (4644), 1231 states have call successors, (1231), 264 states have call predecessors, (1231), 263 states have return successors, (1228), 1209 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-12-28 05:01:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5009 states to 5009 states and 7103 transitions. [2021-12-28 05:01:39,677 INFO L78 Accepts]: Start accepts. Automaton has 5009 states and 7103 transitions. Word has length 116 [2021-12-28 05:01:39,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:39,678 INFO L470 AbstractCegarLoop]: Abstraction has 5009 states and 7103 transitions. [2021-12-28 05:01:39,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 05:01:39,678 INFO L276 IsEmpty]: Start isEmpty. Operand 5009 states and 7103 transitions. [2021-12-28 05:01:39,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-28 05:01:39,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:39,680 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:39,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-28 05:01:39,680 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:39,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:39,680 INFO L85 PathProgramCache]: Analyzing trace with hash -543442425, now seen corresponding path program 1 times [2021-12-28 05:01:39,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:39,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151318595] [2021-12-28 05:01:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:39,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-28 05:01:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:01:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 05:01:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:01:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 05:01:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:01:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 05:01:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 05:01:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 05:01:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:01:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:01:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 05:01:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-28 05:01:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-12-28 05:01:40,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:40,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151318595] [2021-12-28 05:01:40,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151318595] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:40,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:40,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:40,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631942808] [2021-12-28 05:01:40,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:40,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:40,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:40,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:40,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:40,054 INFO L87 Difference]: Start difference. First operand 5009 states and 7103 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-28 05:01:40,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:40,252 INFO L93 Difference]: Finished difference Result 5015 states and 7108 transitions. [2021-12-28 05:01:40,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:40,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2021-12-28 05:01:40,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:40,271 INFO L225 Difference]: With dead ends: 5015 [2021-12-28 05:01:40,272 INFO L226 Difference]: Without dead ends: 5013 [2021-12-28 05:01:40,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:40,276 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7001 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7004 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:40,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7004 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:40,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5013 states. [2021-12-28 05:01:40,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5013 to 5013. [2021-12-28 05:01:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5013 states, 3515 states have (on average 1.3220483641536274) internal successors, (4647), 3591 states have internal predecessors, (4647), 1231 states have call successors, (1231), 265 states have call predecessors, (1231), 264 states have return successors, (1228), 1209 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-12-28 05:01:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5013 states to 5013 states and 7106 transitions. [2021-12-28 05:01:40,450 INFO L78 Accepts]: Start accepts. Automaton has 5013 states and 7106 transitions. Word has length 121 [2021-12-28 05:01:40,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:40,450 INFO L470 AbstractCegarLoop]: Abstraction has 5013 states and 7106 transitions. [2021-12-28 05:01:40,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-28 05:01:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5013 states and 7106 transitions. [2021-12-28 05:01:40,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-28 05:01:40,452 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:40,452 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:40,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-28 05:01:40,452 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:40,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:40,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1329865961, now seen corresponding path program 1 times [2021-12-28 05:01:40,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:40,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36617171] [2021-12-28 05:01:40,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:40,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-28 05:01:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:01:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 05:01:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:01:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 05:01:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:01:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 05:01:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 05:01:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 05:01:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:01:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:01:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 05:01:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-28 05:01:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:01:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-12-28 05:01:40,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:40,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36617171] [2021-12-28 05:01:40,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36617171] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:40,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:40,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:40,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919117315] [2021-12-28 05:01:40,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:40,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:40,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:40,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:40,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:40,847 INFO L87 Difference]: Start difference. First operand 5013 states and 7106 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 05:01:41,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:41,169 INFO L93 Difference]: Finished difference Result 5019 states and 7111 transitions. [2021-12-28 05:01:41,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:41,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2021-12-28 05:01:41,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:41,185 INFO L225 Difference]: With dead ends: 5019 [2021-12-28 05:01:41,185 INFO L226 Difference]: Without dead ends: 5017 [2021-12-28 05:01:41,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:41,189 INFO L933 BasicCegarLoop]: 7043 mSDtfsCounter, 7001 mSDsluCounter, 14063 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7003 SdHoareTripleChecker+Valid, 21106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:41,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7003 Valid, 21106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:41,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5017 states. [2021-12-28 05:01:41,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5017 to 5017. [2021-12-28 05:01:41,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5017 states, 3518 states have (on average 1.3217737350767482) internal successors, (4650), 3594 states have internal predecessors, (4650), 1231 states have call successors, (1231), 266 states have call predecessors, (1231), 265 states have return successors, (1228), 1209 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-12-28 05:01:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5017 states to 5017 states and 7109 transitions. [2021-12-28 05:01:41,405 INFO L78 Accepts]: Start accepts. Automaton has 5017 states and 7109 transitions. Word has length 126 [2021-12-28 05:01:41,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:41,405 INFO L470 AbstractCegarLoop]: Abstraction has 5017 states and 7109 transitions. [2021-12-28 05:01:41,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 05:01:41,405 INFO L276 IsEmpty]: Start isEmpty. Operand 5017 states and 7109 transitions. [2021-12-28 05:01:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-28 05:01:41,407 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:41,408 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:41,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-28 05:01:41,408 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:41,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:41,408 INFO L85 PathProgramCache]: Analyzing trace with hash 62302941, now seen corresponding path program 1 times [2021-12-28 05:01:41,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:41,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23525980] [2021-12-28 05:01:41,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:41,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-28 05:01:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-28 05:01:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-28 05:01:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 05:01:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 05:01:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:01:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 05:01:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:01:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 05:01:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 05:01:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 05:01:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-28 05:01:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 05:01:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 05:01:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2021-12-28 05:01:41,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:41,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23525980] [2021-12-28 05:01:41,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23525980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:41,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:41,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:41,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725010777] [2021-12-28 05:01:41,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:41,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:41,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:41,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:41,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:41,878 INFO L87 Difference]: Start difference. First operand 5017 states and 7109 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 05:01:42,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:42,123 INFO L93 Difference]: Finished difference Result 5111 states and 7222 transitions. [2021-12-28 05:01:42,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:42,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 118 [2021-12-28 05:01:42,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:42,143 INFO L225 Difference]: With dead ends: 5111 [2021-12-28 05:01:42,143 INFO L226 Difference]: Without dead ends: 5107 [2021-12-28 05:01:42,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:42,149 INFO L933 BasicCegarLoop]: 7064 mSDtfsCounter, 6933 mSDsluCounter, 14296 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6934 SdHoareTripleChecker+Valid, 21360 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:42,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6934 Valid, 21360 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:42,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5107 states. [2021-12-28 05:01:42,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5107 to 5105. [2021-12-28 05:01:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5105 states, 3583 states have (on average 1.3206809935807982) internal successors, (4732), 3658 states have internal predecessors, (4732), 1244 states have call successors, (1244), 277 states have call predecessors, (1244), 275 states have return successors, (1241), 1222 states have call predecessors, (1241), 1241 states have call successors, (1241) [2021-12-28 05:01:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5105 states to 5105 states and 7217 transitions. [2021-12-28 05:01:42,336 INFO L78 Accepts]: Start accepts. Automaton has 5105 states and 7217 transitions. Word has length 118 [2021-12-28 05:01:42,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:42,337 INFO L470 AbstractCegarLoop]: Abstraction has 5105 states and 7217 transitions. [2021-12-28 05:01:42,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 05:01:42,337 INFO L276 IsEmpty]: Start isEmpty. Operand 5105 states and 7217 transitions. [2021-12-28 05:01:42,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-28 05:01:42,339 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:42,339 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:42,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-28 05:01:42,340 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:42,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:42,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1029578537, now seen corresponding path program 1 times [2021-12-28 05:01:42,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:42,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172708089] [2021-12-28 05:01:42,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:42,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:01:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 05:01:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-28 05:01:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:01:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 05:01:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:01:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 05:01:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-28 05:01:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 05:01:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 05:01:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 05:01:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:01:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:01:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-28 05:01:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-28 05:01:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:01:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 05:01:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-28 05:01:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:42,732 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-28 05:01:42,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:42,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172708089] [2021-12-28 05:01:42,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172708089] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:42,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:42,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 05:01:42,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017615247] [2021-12-28 05:01:42,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:42,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 05:01:42,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:42,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 05:01:42,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:01:42,735 INFO L87 Difference]: Start difference. First operand 5105 states and 7217 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-28 05:01:42,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:01:42,930 INFO L93 Difference]: Finished difference Result 5105 states and 7217 transitions. [2021-12-28 05:01:42,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 05:01:42,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2021-12-28 05:01:42,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:01:42,947 INFO L225 Difference]: With dead ends: 5105 [2021-12-28 05:01:42,947 INFO L226 Difference]: Without dead ends: 4960 [2021-12-28 05:01:42,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:01:42,951 INFO L933 BasicCegarLoop]: 7041 mSDtfsCounter, 6997 mSDsluCounter, 14062 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6997 SdHoareTripleChecker+Valid, 21103 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:01:42,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6997 Valid, 21103 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-28 05:01:42,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4960 states. [2021-12-28 05:01:43,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4960 to 4960. [2021-12-28 05:01:43,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4960 states, 3488 states have (on average 1.3271215596330275) internal successors, (4629), 3561 states have internal predecessors, (4629), 1210 states have call successors, (1210), 260 states have call predecessors, (1210), 260 states have return successors, (1210), 1191 states have call predecessors, (1210), 1210 states have call successors, (1210) [2021-12-28 05:01:43,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4960 states to 4960 states and 7049 transitions. [2021-12-28 05:01:43,137 INFO L78 Accepts]: Start accepts. Automaton has 4960 states and 7049 transitions. Word has length 136 [2021-12-28 05:01:43,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:01:43,137 INFO L470 AbstractCegarLoop]: Abstraction has 4960 states and 7049 transitions. [2021-12-28 05:01:43,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-28 05:01:43,137 INFO L276 IsEmpty]: Start isEmpty. Operand 4960 states and 7049 transitions. [2021-12-28 05:01:43,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-12-28 05:01:43,149 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:01:43,149 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:01:43,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-28 05:01:43,150 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:01:43,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:01:43,150 INFO L85 PathProgramCache]: Analyzing trace with hash -404474920, now seen corresponding path program 1 times [2021-12-28 05:01:43,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:01:43,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084574044] [2021-12-28 05:01:43,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:01:43,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:01:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 05:01:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:01:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-28 05:01:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:01:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:01:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 05:01:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:01:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:01:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-28 05:01:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:01:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:01:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:01:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 05:01:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 05:01:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 05:01:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-28 05:01:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 05:01:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 05:01:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 05:01:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 05:01:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-28 05:01:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 05:01:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 05:01:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-28 05:01:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:01:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 05:01:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-28 05:01:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 05:01:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:01:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:01:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-28 05:01:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-28 05:01:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:01:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:01:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:01:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-28 05:01:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:01:44,015 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2021-12-28 05:01:44,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:01:44,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084574044] [2021-12-28 05:01:44,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084574044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:01:44,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:01:44,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 05:01:44,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782482628] [2021-12-28 05:01:44,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:01:44,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 05:01:44,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:01:44,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 05:01:44,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-28 05:01:44,018 INFO L87 Difference]: Start difference. First operand 4960 states and 7049 transitions. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33)