./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-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-de4x5.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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:53:09,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:53:09,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:53:09,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:53:09,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:53:09,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:53:09,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:53:09,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:53:09,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:53:09,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:53:09,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:53:09,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:53:09,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:53:09,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:53:09,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:53:09,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:53:09,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:53:09,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:53:09,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:53:09,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:53:09,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:53:09,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:53:09,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:53:09,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:53:09,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:53:09,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:53:09,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:53:09,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:53:09,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:53:09,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:53:09,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:53:09,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:53:09,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:53:09,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:53:09,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:53:09,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:53:09,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:53:09,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:53:09,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:53:09,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:53:09,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:53:09,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:53:09,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:53:09,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:53:09,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:53:09,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:53:09,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:53:09,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:53:09,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:53:09,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:53:09,798 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:53:09,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:53:09,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:53:09,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:53:09,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:53:09,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:53:09,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:53:09,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:53:09,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:53:09,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:53:09,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:53:09,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:53:09,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:53:09,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:53:09,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:53:09,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:53:09,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:53:09,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:53:09,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:53:09,802 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:53:09,802 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:53:09,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:53:09,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:53:09,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-12-22 15:53:09,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:53:10,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:53:10,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:53:10,021 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:53:10,022 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:53:10,023 INFO L432 ainManager$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-de4x5.cil.i [2021-12-22 15:53:10,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b139fc05d/3daaf94a80354237bf822cae282d5d40/FLAG5985c698b [2021-12-22 15:53:10,728 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:53:10,728 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-de4x5.cil.i [2021-12-22 15:53:10,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b139fc05d/3daaf94a80354237bf822cae282d5d40/FLAG5985c698b [2021-12-22 15:53:10,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b139fc05d/3daaf94a80354237bf822cae282d5d40 [2021-12-22 15:53:10,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:53:10,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:53:10,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:53:10,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:53:10,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:53:10,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:53:10" (1/1) ... [2021-12-22 15:53:10,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3734194b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:10, skipping insertion in model container [2021-12-22 15:53:10,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:53:10" (1/1) ... [2021-12-22 15:53:10,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:53:10,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:53:13,698 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-de4x5.cil.i[479863,479876] [2021-12-22 15:53:13,704 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-de4x5.cil.i[480032,480045] [2021-12-22 15:53:13,705 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-de4x5.cil.i[480199,480212] [2021-12-22 15:53:13,705 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-de4x5.cil.i[480367,480380] [2021-12-22 15:53:13,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:53:13,770 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:53:14,117 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-de4x5.cil.i[479863,479876] [2021-12-22 15:53:14,119 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-de4x5.cil.i[480032,480045] [2021-12-22 15:53:14,119 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-de4x5.cil.i[480199,480212] [2021-12-22 15:53:14,120 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-de4x5.cil.i[480367,480380] [2021-12-22 15:53:14,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:53:14,260 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:53:14,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14 WrapperNode [2021-12-22 15:53:14,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:53:14,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:53:14,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:53:14,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:53:14,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14" (1/1) ... [2021-12-22 15:53:14,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14" (1/1) ... [2021-12-22 15:53:14,607 INFO L137 Inliner]: procedures = 544, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8578 [2021-12-22 15:53:14,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:53:14,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:53:14,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:53:14,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:53:14,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14" (1/1) ... [2021-12-22 15:53:14,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14" (1/1) ... [2021-12-22 15:53:14,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14" (1/1) ... [2021-12-22 15:53:14,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14" (1/1) ... [2021-12-22 15:53:14,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14" (1/1) ... [2021-12-22 15:53:14,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14" (1/1) ... [2021-12-22 15:53:14,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14" (1/1) ... [2021-12-22 15:53:14,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:53:14,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:53:14,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:53:14,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:53:14,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14" (1/1) ... [2021-12-22 15:53:15,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:53:15,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:53:15,034 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) [2021-12-22 15:53:15,053 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 [2021-12-22 15:53:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-12-22 15:53:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-12-22 15:53:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:53:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:53:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:53:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:53:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:53:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:53:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-12-22 15:53:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-12-22 15:53:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-12-22 15:53:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-12-22 15:53:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-22 15:53:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-22 15:53:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2021-12-22 15:53:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2021-12-22 15:53:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:53:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:53:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-12-22 15:53:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-12-22 15:53:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-12-22 15:53:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-12-22 15:53:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-12-22 15:53:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-12-22 15:53:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:53:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:53:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-12-22 15:53:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-12-22 15:53:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2021-12-22 15:53:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2021-12-22 15:53:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:53:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:53:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-12-22 15:53:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-12-22 15:53:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-12-22 15:53:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-12-22 15:53:15,072 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-12-22 15:53:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-12-22 15:53:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-22 15:53:15,073 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-22 15:53:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-12-22 15:53:15,073 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-12-22 15:53:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-22 15:53:15,073 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-22 15:53:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:53:15,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:53:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-12-22 15:53:15,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-12-22 15:53:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-12-22 15:53:15,074 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-12-22 15:53:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:53:15,074 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:53:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:53:15,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:53:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-22 15:53:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-12-22 15:53:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-12-22 15:53:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:53:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-22 15:53:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-22 15:53:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-22 15:53:15,075 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-22 15:53:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-22 15:53:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-22 15:53:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-12-22 15:53:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-12-22 15:53:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:53:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:53:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:53:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-22 15:53:15,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-22 15:53:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-12-22 15:53:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-12-22 15:53:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-12-22 15:53:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-12-22 15:53:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:53:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:53:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:53:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:53:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 15:53:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 15:53:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:53:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:53:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:53:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:53:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:53:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:53:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:53:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:53:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:53:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:53:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:53:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:53:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-12-22 15:53:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-12-22 15:53:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:53:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:53:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-12-22 15:53:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-12-22 15:53:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:53:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:53:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 15:53:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 15:53:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-12-22 15:53:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-12-22 15:53:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:53:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:53:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-22 15:53:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-22 15:53:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-12-22 15:53:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-12-22 15:53:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:53:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:53:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:53:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:53:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:53:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-12-22 15:53:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-12-22 15:53:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:53:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-12-22 15:53:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-12-22 15:53:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:53:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:53:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:53:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:53:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:53:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:53:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:53:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-12-22 15:53:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-12-22 15:53:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-22 15:53:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-22 15:53:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:53:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:53:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-12-22 15:53:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-12-22 15:53:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-12-22 15:53:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-12-22 15:53:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-12-22 15:53:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-12-22 15:53:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:53:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:53:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-12-22 15:53:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-12-22 15:53:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:53:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:53:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-12-22 15:53:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-12-22 15:53:15,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:53:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:53:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-22 15:53:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-22 15:53:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-12-22 15:53:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-12-22 15:53:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-12-22 15:53:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-12-22 15:53:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:53:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:53:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-12-22 15:53:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-12-22 15:53:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-22 15:53:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-22 15:53:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-12-22 15:53:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-12-22 15:53:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:53:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:53:15,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:53:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:53:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-12-22 15:53:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-12-22 15:53:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:53:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:53:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 15:53:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 15:53:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-12-22 15:53:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-12-22 15:53:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-12-22 15:53:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-12-22 15:53:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:53:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:53:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-12-22 15:53:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-12-22 15:53:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-12-22 15:53:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-12-22 15:53:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-12-22 15:53:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-12-22 15:53:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-12-22 15:53:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-12-22 15:53:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-12-22 15:53:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-12-22 15:53:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:53:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:53:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-12-22 15:53:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-12-22 15:53:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:53:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:53:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-12-22 15:53:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-12-22 15:53:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-22 15:53:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-22 15:53:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-12-22 15:53:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-12-22 15:53:15,091 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-12-22 15:53:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-12-22 15:53:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 15:53:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 15:53:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2021-12-22 15:53:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2021-12-22 15:53:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:53:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-12-22 15:53:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-12-22 15:53:15,092 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-12-22 15:53:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-12-22 15:53:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-12-22 15:53:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-12-22 15:53:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-12-22 15:53:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-12-22 15:53:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:53:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-12-22 15:53:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-12-22 15:53:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-22 15:53:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-22 15:53:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-22 15:53:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-22 15:53:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:53:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-22 15:53:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-22 15:53:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-12-22 15:53:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-12-22 15:53:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:53:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:53:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-22 15:53:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-22 15:53:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-12-22 15:53:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-12-22 15:53:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-12-22 15:53:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-12-22 15:53:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:53:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:53:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-22 15:53:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-22 15:53:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-22 15:53:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-22 15:53:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-12-22 15:53:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-12-22 15:53:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:53:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:53:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-22 15:53:15,097 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-22 15:53:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-12-22 15:53:15,097 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-12-22 15:53:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-12-22 15:53:15,097 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-12-22 15:53:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-12-22 15:53:15,097 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-12-22 15:53:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-22 15:53:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-22 15:53:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 15:53:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 15:53:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:53:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:53:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:53:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:53:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-12-22 15:53:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-12-22 15:53:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-22 15:53:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-22 15:53:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2021-12-22 15:53:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2021-12-22 15:53:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2021-12-22 15:53:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2021-12-22 15:53:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:53:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-12-22 15:53:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-12-22 15:53:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:53:15,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:53:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-12-22 15:53:15,100 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-12-22 15:53:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:53:15,100 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:53:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-12-22 15:53:15,100 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-12-22 15:53:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 15:53:15,100 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 15:53:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-12-22 15:53:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-12-22 15:53:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-12-22 15:53:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-12-22 15:53:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-12-22 15:53:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-12-22 15:53:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-12-22 15:53:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-12-22 15:53:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:53:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:53:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-12-22 15:53:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-12-22 15:53:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-12-22 15:53:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-12-22 15:53:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-12-22 15:53:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-12-22 15:53:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-12-22 15:53:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-12-22 15:53:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-12-22 15:53:15,103 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-12-22 15:53:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-12-22 15:53:15,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-12-22 15:53:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-22 15:53:15,103 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-22 15:53:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-12-22 15:53:15,103 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-12-22 15:53:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2021-12-22 15:53:15,103 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2021-12-22 15:53:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-22 15:53:15,104 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-22 15:53:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-12-22 15:53:15,104 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-12-22 15:53:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-12-22 15:53:15,104 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-12-22 15:53:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-12-22 15:53:15,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-12-22 15:53:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:53:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:53:15,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:53:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 15:53:16,050 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:53:16,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:53:16,385 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:53:26,564 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:53:26,725 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:53:26,750 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:53:26,751 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-12-22 15:53:26,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:26 BoogieIcfgContainer [2021-12-22 15:53:26,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:53:26,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:53:26,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:53:26,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:53:26,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:53:10" (1/3) ... [2021-12-22 15:53:26,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c6f2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:53:26, skipping insertion in model container [2021-12-22 15:53:26,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:14" (2/3) ... [2021-12-22 15:53:26,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c6f2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:53:26, skipping insertion in model container [2021-12-22 15:53:26,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:26" (3/3) ... [2021-12-22 15:53:26,760 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-12-22 15:53:26,764 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:53:26,764 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:53:26,809 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:53:26,813 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 [2021-12-22 15:53:26,813 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:53:26,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) [2021-12-22 15:53:26,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-22 15:53:26,876 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:26,877 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:53:26,877 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)] === [2021-12-22 15:53:26,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:26,881 INFO L85 PathProgramCache]: Analyzing trace with hash -467583431, now seen corresponding path program 1 times [2021-12-22 15:53:26,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:26,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686004371] [2021-12-22 15:53:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:26,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:53:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:53:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:53:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:53:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-22 15:53:27,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:27,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686004371] [2021-12-22 15:53:27,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686004371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:27,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:27,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:53:27,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593207012] [2021-12-22 15:53:27,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:27,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:53:27,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:27,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:53:27,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:53:27,811 INFO L87 Difference]: Start difference. First operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:53:29,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:53:31,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:53:40,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:40,158 INFO L93 Difference]: Finished difference Result 11984 states and 17999 transitions. [2021-12-22 15:53:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:53:40,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 189 [2021-12-22 15:53:40,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:53:40,224 INFO L225 Difference]: With dead ends: 11984 [2021-12-22 15:53:40,225 INFO L226 Difference]: Without dead ends: 8046 [2021-12-22 15:53:40,269 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 [2021-12-22 15:53:40,273 INFO L933 BasicCegarLoop]: 5352 mSDtfsCounter, 9146 mSDsluCounter, 4876 mSDsCounter, 0 mSdLazyCounter, 4351 mSolverCounterSat, 3963 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10017 SdHoareTripleChecker+Valid, 10228 SdHoareTripleChecker+Invalid, 8315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3963 IncrementalHoareTripleChecker+Valid, 4351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:53:40,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10017 Valid, 10228 Invalid, 8315 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3963 Valid, 4351 Invalid, 1 Unknown, 0 Unchecked, 11.7s Time] [2021-12-22 15:53:40,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8046 states. [2021-12-22 15:53:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8046 to 7694. [2021-12-22 15:53:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7694 states, 5485 states have (on average 1.3522333637192343) internal successors, (7417), 5577 states have internal predecessors, (7417), 1905 states have call successors, (1905), 302 states have call predecessors, (1905), 301 states have return successors, (1902), 1874 states have call predecessors, (1902), 1902 states have call successors, (1902) [2021-12-22 15:53:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11224 transitions. [2021-12-22 15:53:40,684 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11224 transitions. Word has length 189 [2021-12-22 15:53:40,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:53:40,685 INFO L470 AbstractCegarLoop]: Abstraction has 7694 states and 11224 transitions. [2021-12-22 15:53:40,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:53:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11224 transitions. [2021-12-22 15:53:40,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-22 15:53:40,689 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:40,690 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:53:40,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:53:40,690 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)] === [2021-12-22 15:53:40,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:40,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1633531592, now seen corresponding path program 1 times [2021-12-22 15:53:40,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:40,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551138862] [2021-12-22 15:53:40,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:40,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:40,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:53:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:53:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:53:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:53:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:53:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-22 15:53:41,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:41,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551138862] [2021-12-22 15:53:41,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551138862] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:41,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:41,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:53:41,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696559937] [2021-12-22 15:53:41,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:41,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:53:41,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:41,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:53:41,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:53:41,150 INFO L87 Difference]: Start difference. First operand 7694 states and 11224 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:53:43,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:53:45,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:53:54,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:54,361 INFO L93 Difference]: Finished difference Result 23286 states and 34479 transitions. [2021-12-22 15:53:54,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:53:54,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 195 [2021-12-22 15:53:54,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:53:54,462 INFO L225 Difference]: With dead ends: 23286 [2021-12-22 15:53:54,463 INFO L226 Difference]: Without dead ends: 15627 [2021-12-22 15:53:54,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:53:54,521 INFO L933 BasicCegarLoop]: 5352 mSDtfsCounter, 8969 mSDsluCounter, 5082 mSDsCounter, 0 mSdLazyCounter, 4422 mSolverCounterSat, 4029 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9789 SdHoareTripleChecker+Valid, 10434 SdHoareTripleChecker+Invalid, 8453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4029 IncrementalHoareTripleChecker+Valid, 4422 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:53:54,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9789 Valid, 10434 Invalid, 8453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4029 Valid, 4422 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2021-12-22 15:53:54,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15627 states. [2021-12-22 15:53:55,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15627 to 15201. [2021-12-22 15:53:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15201 states, 10863 states have (on average 1.3469575623676702) internal successors, (14632), 10957 states have internal predecessors, (14632), 3698 states have call successors, (3698), 600 states have call predecessors, (3698), 637 states have return successors, (4175), 3763 states have call predecessors, (4175), 3695 states have call successors, (4175) [2021-12-22 15:53:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15201 states to 15201 states and 22505 transitions. [2021-12-22 15:53:55,421 INFO L78 Accepts]: Start accepts. Automaton has 15201 states and 22505 transitions. Word has length 195 [2021-12-22 15:53:55,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:53:55,423 INFO L470 AbstractCegarLoop]: Abstraction has 15201 states and 22505 transitions. [2021-12-22 15:53:55,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:53:55,424 INFO L276 IsEmpty]: Start isEmpty. Operand 15201 states and 22505 transitions. [2021-12-22 15:53:55,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-12-22 15:53:55,429 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:55,430 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:53:55,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:53:55,431 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)] === [2021-12-22 15:53:55,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:55,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1814963991, now seen corresponding path program 1 times [2021-12-22 15:53:55,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:55,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200449618] [2021-12-22 15:53:55,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:55,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:53:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:53:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:53:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 15:53:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-22 15:53:55,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:55,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200449618] [2021-12-22 15:53:55,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200449618] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:55,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:55,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:53:55,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129203628] [2021-12-22 15:53:55,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:55,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:53:55,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:55,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:53:55,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:53:55,808 INFO L87 Difference]: Start difference. First operand 15201 states and 22505 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-12-22 15:53:57,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:53:59,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:54:08,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:54:08,877 INFO L93 Difference]: Finished difference Result 46139 states and 68664 transitions. [2021-12-22 15:54:08,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:54:08,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) Word has length 205 [2021-12-22 15:54:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:54:09,038 INFO L225 Difference]: With dead ends: 46139 [2021-12-22 15:54:09,038 INFO L226 Difference]: Without dead ends: 30973 [2021-12-22 15:54:09,100 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 [2021-12-22 15:54:09,104 INFO L933 BasicCegarLoop]: 5331 mSDtfsCounter, 9096 mSDsluCounter, 4861 mSDsCounter, 0 mSdLazyCounter, 4382 mSolverCounterSat, 4007 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9959 SdHoareTripleChecker+Valid, 10192 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4007 IncrementalHoareTripleChecker+Valid, 4382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-12-22 15:54:09,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9959 Valid, 10192 Invalid, 8389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4007 Valid, 4382 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time]