./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.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 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:59:17,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:59:17,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:59:17,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:59:17,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:59:17,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:59:17,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:59:17,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:59:17,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:59:17,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:59:17,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:59:17,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:59:17,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:59:17,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:59:17,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:59:17,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:59:17,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:59:17,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:59:17,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:59:17,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:59:17,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:59:17,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:59:17,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:59:17,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:59:17,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:59:17,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:59:17,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:59:17,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:59:17,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:59:17,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:59:17,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:59:17,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:59:17,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:59:17,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:59:17,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:59:17,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:59:17,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:59:17,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:59:17,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:59:17,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:59:17,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:59:17,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:59:17,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:59:17,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:59:17,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:59:17,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:59:17,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:59:17,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:59:17,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:59:17,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:59:17,705 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:59:17,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:59:17,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:59:17,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:59:17,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:59:17,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:59:17,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:59:17,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:59:17,706 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:59:17,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:59:17,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:59:17,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:59:17,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:59:17,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:59:17,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:59:17,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:59:17,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:59:17,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:59:17,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:59:17,708 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:59:17,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:59:17,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:59:17,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:59:17,709 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2021-12-14 18:59:17,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:59:17,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:59:17,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:59:17,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:59:17,928 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:59:17,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-14 18:59:17,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b70d1c54/0db3242e3c5748849995221ab0a3041f/FLAGba6da41ed [2021-12-14 18:59:18,761 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:59:18,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-14 18:59:18,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b70d1c54/0db3242e3c5748849995221ab0a3041f/FLAGba6da41ed [2021-12-14 18:59:19,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b70d1c54/0db3242e3c5748849995221ab0a3041f [2021-12-14 18:59:19,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:59:19,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:59:19,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:59:19,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:59:19,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:59:19,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:59:19" (1/1) ... [2021-12-14 18:59:19,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb91bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:19, skipping insertion in model container [2021-12-14 18:59:19,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:59:19" (1/1) ... [2021-12-14 18:59:19,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:59:19,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:59:21,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2021-12-14 18:59:21,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2021-12-14 18:59:21,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2021-12-14 18:59:21,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2021-12-14 18:59:21,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:59:21,913 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:59:22,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2021-12-14 18:59:22,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2021-12-14 18:59:22,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2021-12-14 18:59:22,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2021-12-14 18:59:22,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:59:22,358 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:59:22,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22 WrapperNode [2021-12-14 18:59:22,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:59:22,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:59:22,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:59:22,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:59:22,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22" (1/1) ... [2021-12-14 18:59:22,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22" (1/1) ... [2021-12-14 18:59:22,720 INFO L137 Inliner]: procedures = 567, calls = 5326, calls flagged for inlining = 289, calls inlined = 261, statements flattened = 11363 [2021-12-14 18:59:22,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:59:22,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:59:22,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:59:22,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:59:22,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22" (1/1) ... [2021-12-14 18:59:22,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22" (1/1) ... [2021-12-14 18:59:22,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22" (1/1) ... [2021-12-14 18:59:22,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22" (1/1) ... [2021-12-14 18:59:22,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22" (1/1) ... [2021-12-14 18:59:22,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22" (1/1) ... [2021-12-14 18:59:22,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22" (1/1) ... [2021-12-14 18:59:23,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:59:23,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:59:23,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:59:23,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:59:23,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22" (1/1) ... [2021-12-14 18:59:23,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:59:23,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:59:23,144 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) [2021-12-14 18:59:23,219 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 [2021-12-14 18:59:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-12-14 18:59:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-12-14 18:59:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2021-12-14 18:59:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2021-12-14 18:59:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:59:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:59:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:59:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:59:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:59:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:59:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:59:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:59:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-12-14 18:59:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-12-14 18:59:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-12-14 18:59:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-12-14 18:59:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:59:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:59:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 18:59:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 18:59:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:59:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:59:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:59:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:59:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 18:59:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 18:59:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:59:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:59:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-14 18:59:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-14 18:59:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-14 18:59:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-14 18:59:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:59:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:59:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:59:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:59:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-14 18:59:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-14 18:59:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:59:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:59:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:59:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:59:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:59:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:59:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-12-14 18:59:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-12-14 18:59:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:59:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:59:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:59:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:59:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:59:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:59:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:59:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:59:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:59:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:59:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:59:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:59:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:59:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-12-14 18:59:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-12-14 18:59:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2021-12-14 18:59:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2021-12-14 18:59:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2021-12-14 18:59:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2021-12-14 18:59:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-14 18:59:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-14 18:59:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-12-14 18:59:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-12-14 18:59:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:59:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:59:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-12-14 18:59:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-12-14 18:59:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-12-14 18:59:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-12-14 18:59:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2021-12-14 18:59:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2021-12-14 18:59:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:59:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2021-12-14 18:59:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2021-12-14 18:59:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-12-14 18:59:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-12-14 18:59:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:59:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:59:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:59:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:59:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:59:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:59:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:59:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:59:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-14 18:59:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-14 18:59:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:59:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:59:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:59:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:59:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:59:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:59:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:59:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:59:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:59:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:59:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2021-12-14 18:59:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2021-12-14 18:59:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:59:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:59:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:59:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:59:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-12-14 18:59:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-12-14 18:59:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-12-14 18:59:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-12-14 18:59:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:59:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:59:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:59:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:59:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:59:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:59:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:59:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 18:59:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 18:59:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-14 18:59:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-14 18:59:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:59:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:59:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:59:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:59:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:59:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:59:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-12-14 18:59:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-12-14 18:59:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-14 18:59:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-14 18:59:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-14 18:59:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-14 18:59:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:59:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:59:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-14 18:59:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-14 18:59:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:59:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:59:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:59:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:59:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:59:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:59:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:59:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:59:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-14 18:59:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-14 18:59:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:59:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:59:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-14 18:59:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-14 18:59:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:59:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:59:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2021-12-14 18:59:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2021-12-14 18:59:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:59:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:59:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:59:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:59:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-14 18:59:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-14 18:59:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:59:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:59:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 18:59:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 18:59:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-12-14 18:59:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-12-14 18:59:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:59:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:59:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-14 18:59:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-14 18:59:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-14 18:59:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-14 18:59:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:59:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:59:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-12-14 18:59:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-12-14 18:59:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-12-14 18:59:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-12-14 18:59:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:59:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:59:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-14 18:59:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-14 18:59:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-14 18:59:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-14 18:59:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:59:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:59:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:59:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:59:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2021-12-14 18:59:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2021-12-14 18:59:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-14 18:59:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-14 18:59:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:59:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:59:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:59:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-12-14 18:59:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-12-14 18:59:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:59:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:59:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:59:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 18:59:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 18:59:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-14 18:59:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-14 18:59:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-14 18:59:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-14 18:59:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:59:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-12-14 18:59:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-12-14 18:59:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-12-14 18:59:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-12-14 18:59:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-12-14 18:59:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-12-14 18:59:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:59:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:59:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-14 18:59:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-14 18:59:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2021-12-14 18:59:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2021-12-14 18:59:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:59:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:59:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-14 18:59:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-14 18:59:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-12-14 18:59:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-12-14 18:59:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-14 18:59:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-14 18:59:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-12-14 18:59:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-12-14 18:59:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2021-12-14 18:59:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2021-12-14 18:59:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:59:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:59:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:59:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:59:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 18:59:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 18:59:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2021-12-14 18:59:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2021-12-14 18:59:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:59:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:59:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:59:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:59:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:59:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-12-14 18:59:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-12-14 18:59:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:59:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:59:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2021-12-14 18:59:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2021-12-14 18:59:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-14 18:59:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-14 18:59:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-12-14 18:59:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-12-14 18:59:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:59:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:59:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2021-12-14 18:59:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2021-12-14 18:59:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 18:59:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 18:59:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:59:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:59:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:59:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:59:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-14 18:59:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-14 18:59:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 18:59:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 18:59:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-12-14 18:59:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-12-14 18:59:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:59:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:59:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-12-14 18:59:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-12-14 18:59:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:59:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2021-12-14 18:59:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2021-12-14 18:59:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:59:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:59:24,016 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:59:24,018 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:59:24,639 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:59:29,556 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:59:29,640 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:59:29,659 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:59:29,660 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 18:59:29,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:59:29 BoogieIcfgContainer [2021-12-14 18:59:29,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:59:29,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:59:29,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:59:29,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:59:29,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:59:19" (1/3) ... [2021-12-14 18:59:29,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216cefbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:59:29, skipping insertion in model container [2021-12-14 18:59:29,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:22" (2/3) ... [2021-12-14 18:59:29,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216cefbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:59:29, skipping insertion in model container [2021-12-14 18:59:29,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:59:29" (3/3) ... [2021-12-14 18:59:29,669 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-14 18:59:29,673 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:59:29,673 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:59:29,718 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:59:29,723 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 [2021-12-14 18:59:29,723 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:59:29,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 3485 states, 2400 states have (on average 1.3654166666666667) internal successors, (3277), 2501 states have internal predecessors, (3277), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) [2021-12-14 18:59:29,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-14 18:59:29,807 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:29,808 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:29,808 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)] === [2021-12-14 18:59:29,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:29,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1591897182, now seen corresponding path program 1 times [2021-12-14 18:59:29,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:29,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849484556] [2021-12-14 18:59:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:29,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:59:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:59:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:59:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:59:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:59:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-14 18:59:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-14 18:59:30,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:30,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849484556] [2021-12-14 18:59:30,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849484556] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:30,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:30,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:30,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873762242] [2021-12-14 18:59:30,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:30,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:30,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:30,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:30,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:30,626 INFO L87 Difference]: Start difference. First operand has 3485 states, 2400 states have (on average 1.3654166666666667) internal successors, (3277), 2501 states have internal predecessors, (3277), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:59:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:36,159 INFO L93 Difference]: Finished difference Result 10459 states and 15819 transitions. [2021-12-14 18:59:36,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:36,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2021-12-14 18:59:36,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:36,225 INFO L225 Difference]: With dead ends: 10459 [2021-12-14 18:59:36,225 INFO L226 Difference]: Without dead ends: 6994 [2021-12-14 18:59:36,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:36,264 INFO L933 BasicCegarLoop]: 5653 mSDtfsCounter, 5597 mSDsluCounter, 6885 mSDsCounter, 0 mSdLazyCounter, 2747 mSolverCounterSat, 2547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6455 SdHoareTripleChecker+Valid, 12538 SdHoareTripleChecker+Invalid, 5294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2547 IncrementalHoareTripleChecker+Valid, 2747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:36,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6455 Valid, 12538 Invalid, 5294 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2547 Valid, 2747 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-14 18:59:36,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6994 states. [2021-12-14 18:59:36,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6994 to 6812. [2021-12-14 18:59:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 4709 states have (on average 1.3641962200042472) internal successors, (6424), 4908 states have internal predecessors, (6424), 1840 states have call successors, (1840), 261 states have call predecessors, (1840), 260 states have return successors, (1836), 1746 states have call predecessors, (1836), 1836 states have call successors, (1836) [2021-12-14 18:59:36,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 10100 transitions. [2021-12-14 18:59:36,665 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 10100 transitions. Word has length 171 [2021-12-14 18:59:36,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:36,668 INFO L470 AbstractCegarLoop]: Abstraction has 6812 states and 10100 transitions. [2021-12-14 18:59:36,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:59:36,669 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 10100 transitions. [2021-12-14 18:59:36,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-14 18:59:36,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:36,678 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:36,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:59:36,679 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:59:36,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:36,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1866524445, now seen corresponding path program 1 times [2021-12-14 18:59:36,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:36,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458749213] [2021-12-14 18:59:36,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:36,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:59:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:59:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:59:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:59:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:59:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 18:59:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-14 18:59:37,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:37,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458749213] [2021-12-14 18:59:37,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458749213] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:37,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:37,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:37,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256949593] [2021-12-14 18:59:37,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:37,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:37,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:37,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:37,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:37,257 INFO L87 Difference]: Start difference. First operand 6812 states and 10100 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:59:41,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:41,625 INFO L93 Difference]: Finished difference Result 14880 states and 22109 transitions. [2021-12-14 18:59:41,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:41,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 180 [2021-12-14 18:59:41,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:41,667 INFO L225 Difference]: With dead ends: 14880 [2021-12-14 18:59:41,667 INFO L226 Difference]: Without dead ends: 8099 [2021-12-14 18:59:41,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:41,699 INFO L933 BasicCegarLoop]: 5378 mSDtfsCounter, 3972 mSDsluCounter, 6835 mSDsCounter, 0 mSdLazyCounter, 2501 mSolverCounterSat, 2098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4618 SdHoareTripleChecker+Valid, 12213 SdHoareTripleChecker+Invalid, 4599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2098 IncrementalHoareTripleChecker+Valid, 2501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:41,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4618 Valid, 12213 Invalid, 4599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2098 Valid, 2501 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-14 18:59:41,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8099 states. [2021-12-14 18:59:42,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8099 to 7862. [2021-12-14 18:59:42,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7862 states, 5422 states have (on average 1.364256731833272) internal successors, (7397), 5640 states have internal predecessors, (7397), 2126 states have call successors, (2126), 313 states have call predecessors, (2126), 311 states have return successors, (2122), 2022 states have call predecessors, (2122), 2122 states have call successors, (2122) [2021-12-14 18:59:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7862 states to 7862 states and 11645 transitions. [2021-12-14 18:59:42,136 INFO L78 Accepts]: Start accepts. Automaton has 7862 states and 11645 transitions. Word has length 180 [2021-12-14 18:59:42,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:42,136 INFO L470 AbstractCegarLoop]: Abstraction has 7862 states and 11645 transitions. [2021-12-14 18:59:42,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:59:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 7862 states and 11645 transitions. [2021-12-14 18:59:42,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-14 18:59:42,141 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:42,141 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:42,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:59:42,142 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:59:42,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:42,143 INFO L85 PathProgramCache]: Analyzing trace with hash -971306681, now seen corresponding path program 1 times [2021-12-14 18:59:42,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:42,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564401905] [2021-12-14 18:59:42,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:42,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:59:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:59:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:59:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:59:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:59:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-14 18:59:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-14 18:59:42,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:42,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564401905] [2021-12-14 18:59:42,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564401905] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:42,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:42,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:42,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626665853] [2021-12-14 18:59:42,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:42,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:42,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:42,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:42,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:42,553 INFO L87 Difference]: Start difference. First operand 7862 states and 11645 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:59:47,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:47,699 INFO L93 Difference]: Finished difference Result 20694 states and 30718 transitions. [2021-12-14 18:59:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:47,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 181 [2021-12-14 18:59:47,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:47,754 INFO L225 Difference]: With dead ends: 20694 [2021-12-14 18:59:47,754 INFO L226 Difference]: Without dead ends: 12863 [2021-12-14 18:59:47,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:47,776 INFO L933 BasicCegarLoop]: 5593 mSDtfsCounter, 5355 mSDsluCounter, 6845 mSDsCounter, 0 mSdLazyCounter, 2749 mSolverCounterSat, 2570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6190 SdHoareTripleChecker+Valid, 12438 SdHoareTripleChecker+Invalid, 5319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2570 IncrementalHoareTripleChecker+Valid, 2749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:47,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6190 Valid, 12438 Invalid, 5319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2570 Valid, 2749 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-14 18:59:47,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12863 states. [2021-12-14 18:59:48,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12863 to 12512. [2021-12-14 18:59:48,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12512 states, 8597 states have (on average 1.364196812841689) internal successors, (11728), 8952 states have internal predecessors, (11728), 3404 states have call successors, (3404), 506 states have call predecessors, (3404), 508 states have return successors, (3417), 3227 states have call predecessors, (3417), 3400 states have call successors, (3417) [2021-12-14 18:59:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12512 states to 12512 states and 18549 transitions. [2021-12-14 18:59:48,206 INFO L78 Accepts]: Start accepts. Automaton has 12512 states and 18549 transitions. Word has length 181 [2021-12-14 18:59:48,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:48,207 INFO L470 AbstractCegarLoop]: Abstraction has 12512 states and 18549 transitions. [2021-12-14 18:59:48,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:59:48,207 INFO L276 IsEmpty]: Start isEmpty. Operand 12512 states and 18549 transitions. [2021-12-14 18:59:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-14 18:59:48,211 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:48,212 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:48,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:59:48,212 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:59:48,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:48,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1349082925, now seen corresponding path program 1 times [2021-12-14 18:59:48,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:48,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066575768] [2021-12-14 18:59:48,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:48,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:59:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:59:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:59:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:59:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:59:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-14 18:59:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-14 18:59:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-14 18:59:48,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:48,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066575768] [2021-12-14 18:59:48,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066575768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:48,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:48,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:59:48,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849572040] [2021-12-14 18:59:48,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:48,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:59:48,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:48,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:59:48,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:59:48,701 INFO L87 Difference]: Start difference. First operand 12512 states and 18549 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-14 19:00:00,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:00:00,206 INFO L93 Difference]: Finished difference Result 46520 states and 68972 transitions. [2021-12-14 19:00:00,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 19:00:00,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 188 [2021-12-14 19:00:00,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:00:00,385 INFO L225 Difference]: With dead ends: 46520 [2021-12-14 19:00:00,386 INFO L226 Difference]: Without dead ends: 34039 [2021-12-14 19:00:00,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 19:00:00,434 INFO L933 BasicCegarLoop]: 6239 mSDtfsCounter, 10413 mSDsluCounter, 13663 mSDsCounter, 0 mSdLazyCounter, 10134 mSolverCounterSat, 4364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11953 SdHoareTripleChecker+Valid, 19902 SdHoareTripleChecker+Invalid, 14498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4364 IncrementalHoareTripleChecker+Valid, 10134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:00:00,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11953 Valid, 19902 Invalid, 14498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4364 Valid, 10134 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2021-12-14 19:00:00,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34039 states. [2021-12-14 19:00:01,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34039 to 33060. [2021-12-14 19:00:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33060 states, 22731 states have (on average 1.3630284633320136) internal successors, (30983), 23706 states have internal predecessors, (30983), 8959 states have call successors, (8959), 1359 states have call predecessors, (8959), 1367 states have return successors, (9006), 8465 states have call predecessors, (9006), 8955 states have call successors, (9006) [2021-12-14 19:00:01,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33060 states to 33060 states and 48948 transitions. [2021-12-14 19:00:01,736 INFO L78 Accepts]: Start accepts. Automaton has 33060 states and 48948 transitions. Word has length 188 [2021-12-14 19:00:01,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:00:01,737 INFO L470 AbstractCegarLoop]: Abstraction has 33060 states and 48948 transitions. [2021-12-14 19:00:01,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-14 19:00:01,737 INFO L276 IsEmpty]: Start isEmpty. Operand 33060 states and 48948 transitions. [2021-12-14 19:00:01,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-14 19:00:01,741 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:00:01,741 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:00:01,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 19:00:01,741 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 19:00:01,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:00:01,742 INFO L85 PathProgramCache]: Analyzing trace with hash -392155911, now seen corresponding path program 1 times [2021-12-14 19:00:01,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:00:01,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107628245] [2021-12-14 19:00:01,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:00:01,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:00:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:00:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:00:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:00:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:00:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:00:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:00:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:00:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:00:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:00:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:00:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:00:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:00:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:00:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 19:00:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-14 19:00:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-14 19:00:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 19:00:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 19:00:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-14 19:00:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-14 19:00:02,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:00:02,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107628245] [2021-12-14 19:00:02,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107628245] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:00:02,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:00:02,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:00:02,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533486466] [2021-12-14 19:00:02,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:00:02,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:00:02,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:00:02,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:00:02,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:00:02,092 INFO L87 Difference]: Start difference. First operand 33060 states and 48948 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-14 19:00:07,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:00:07,952 INFO L93 Difference]: Finished difference Result 95901 states and 142006 transitions. [2021-12-14 19:00:07,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:00:07,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 196 [2021-12-14 19:00:07,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:00:08,423 INFO L225 Difference]: With dead ends: 95901 [2021-12-14 19:00:08,423 INFO L226 Difference]: Without dead ends: 62872 [2021-12-14 19:00:08,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:00:08,560 INFO L933 BasicCegarLoop]: 5889 mSDtfsCounter, 5608 mSDsluCounter, 7038 mSDsCounter, 0 mSdLazyCounter, 2735 mSolverCounterSat, 2535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6460 SdHoareTripleChecker+Valid, 12927 SdHoareTripleChecker+Invalid, 5270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2535 IncrementalHoareTripleChecker+Valid, 2735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-14 19:00:08,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6460 Valid, 12927 Invalid, 5270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2535 Valid, 2735 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-14 19:00:08,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62872 states. [2021-12-14 19:00:10,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62872 to 61104. [2021-12-14 19:00:10,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61104 states, 42047 states have (on average 1.360311080457583) internal successors, (57197), 43860 states have internal predecessors, (57197), 16485 states have call successors, (16485), 2579 states have call predecessors, (16485), 2569 states have return successors, (16586), 15527 states have call predecessors, (16586), 16481 states have call successors, (16586) [2021-12-14 19:00:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61104 states to 61104 states and 90268 transitions. [2021-12-14 19:00:11,224 INFO L78 Accepts]: Start accepts. Automaton has 61104 states and 90268 transitions. Word has length 196 [2021-12-14 19:00:11,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:00:11,225 INFO L470 AbstractCegarLoop]: Abstraction has 61104 states and 90268 transitions. [2021-12-14 19:00:11,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-14 19:00:11,225 INFO L276 IsEmpty]: Start isEmpty. Operand 61104 states and 90268 transitions. [2021-12-14 19:00:11,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-14 19:00:11,227 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:00:11,228 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:00:11,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 19:00:11,228 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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)] === [2021-12-14 19:00:11,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:00:11,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1952882683, now seen corresponding path program 1 times [2021-12-14 19:00:11,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:00:11,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201743834] [2021-12-14 19:00:11,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:00:11,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:00:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:00:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:00:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:00:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:00:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:00:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:00:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:00:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:00:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:00:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:00:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:00:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:00:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:00:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:00:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 19:00:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 19:00:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-14 19:00:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-14 19:00:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:00:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-14 19:00:11,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:00:11,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201743834] [2021-12-14 19:00:11,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201743834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:00:11,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:00:11,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:00:11,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130199546] [2021-12-14 19:00:11,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:00:11,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:00:11,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:00:11,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:00:11,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:00:11,554 INFO L87 Difference]: Start difference. First operand 61104 states and 90268 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)