./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-ae00767 [2021-12-28 05:11:15,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:11:15,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:11:15,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:11:15,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:11:15,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:11:15,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:11:15,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:11:15,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:11:15,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:11:15,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:11:15,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:11:15,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:11:15,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:11:15,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:11:15,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:11:15,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:11:15,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:11:15,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:11:15,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:11:15,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:11:15,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:11:15,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:11:15,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:11:15,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:11:15,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:11:15,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:11:15,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:11:15,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:11:15,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:11:15,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:11:15,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:11:15,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:11:15,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:11:15,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:11:15,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:11:15,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:11:15,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:11:15,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:11:15,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:11:15,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:11:15,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:11:15,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:11:15,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:11:15,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:11:15,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:11:15,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:11:15,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:11:15,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:11:15,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:11:15,991 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:11:15,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:11:15,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:11:15,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:11:15,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:11:15,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:11:15,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:11:15,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:11:15,992 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:11:15,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:11:15,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:11:15,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:11:15,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:11:15,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:11:15,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:11:15,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:11:15,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:11:15,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:11:15,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:11:15,994 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:11:15,994 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:11:15,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:11:15,994 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-12-28 05:11:16,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:11:16,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:11:16,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:11:16,283 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:11:16,283 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:11:16,285 INFO L432 ainManager$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 [2021-12-28 05:11:16,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b8f0271/0a478ca2b4164cf6a54bcbefca052c79/FLAGc6cd8be70 [2021-12-28 05:11:17,045 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:11:17,046 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 [2021-12-28 05:11:17,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b8f0271/0a478ca2b4164cf6a54bcbefca052c79/FLAGc6cd8be70 [2021-12-28 05:11:17,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b8f0271/0a478ca2b4164cf6a54bcbefca052c79 [2021-12-28 05:11:17,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:11:17,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:11:17,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:11:17,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:11:17,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:11:17,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:11:17" (1/1) ... [2021-12-28 05:11:17,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8bfbaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:17, skipping insertion in model container [2021-12-28 05:11:17,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:11:17" (1/1) ... [2021-12-28 05:11:17,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:11:17,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:11:21,418 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] [2021-12-28 05:11:21,421 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] [2021-12-28 05:11:21,423 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] [2021-12-28 05:11:21,423 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] [2021-12-28 05:11:21,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:11:21,491 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:11:21,884 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] [2021-12-28 05:11:21,885 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] [2021-12-28 05:11:21,886 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] [2021-12-28 05:11:21,886 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] [2021-12-28 05:11:21,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:11:22,028 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:11:22,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22 WrapperNode [2021-12-28 05:11:22,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:11:22,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:11:22,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:11:22,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:11:22,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,400 INFO L137 Inliner]: procedures = 544, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8578 [2021-12-28 05:11:22,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:11:22,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:11:22,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:11:22,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:11:22,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:11:22,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:11:22,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:11:22,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:11:22,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22" (1/1) ... [2021-12-28 05:11:22,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:11:22,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:11:22,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 05:11:22,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 05:11:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-12-28 05:11:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-12-28 05:11:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:11:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:11:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 05:11:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 05:11:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:11:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:11:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-12-28 05:11:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-12-28 05:11:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-12-28 05:11:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-12-28 05:11:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-28 05:11:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-28 05:11:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2021-12-28 05:11:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2021-12-28 05:11:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:11:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:11:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-12-28 05:11:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-12-28 05:11:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-12-28 05:11:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-12-28 05:11:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-12-28 05:11:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-12-28 05:11:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:11:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:11:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-12-28 05:11:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-12-28 05:11:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2021-12-28 05:11:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2021-12-28 05:11:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 05:11:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 05:11:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-12-28 05:11:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-12-28 05:11:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-12-28 05:11:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-12-28 05:11:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-12-28 05:11:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-12-28 05:11:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-28 05:11:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-28 05:11:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-12-28 05:11:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-12-28 05:11:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-28 05:11:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-28 05:11:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:11:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:11:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-12-28 05:11:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-12-28 05:11:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-12-28 05:11:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-12-28 05:11:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:11:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:11:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:11:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:11:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-28 05:11:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-12-28 05:11:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-12-28 05:11:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:11:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-28 05:11:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-28 05:11:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-28 05:11:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-28 05:11:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-28 05:11:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-28 05:11:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-12-28 05:11:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-12-28 05:11:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:11:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:11:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:11:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-28 05:11:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-28 05:11:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-12-28 05:11:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-12-28 05:11:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-12-28 05:11:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-12-28 05:11:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:11:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:11:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 05:11:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 05:11:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 05:11:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 05:11:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:11:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:11:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:11:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:11:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:11:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:11:22,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:11:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:11:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:11:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:11:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:11:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:11:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-12-28 05:11:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-12-28 05:11:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:11:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:11:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-12-28 05:11:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-12-28 05:11:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 05:11:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 05:11:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 05:11:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 05:11:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-12-28 05:11:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-12-28 05:11:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:11:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:11:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-28 05:11:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-28 05:11:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-12-28 05:11:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-12-28 05:11:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:11:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 05:11:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 05:11:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 05:11:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 05:11:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-12-28 05:11:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-12-28 05:11:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:11:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-12-28 05:11:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-12-28 05:11:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:11:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:11:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:11:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:11:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:11:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:11:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:11:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-12-28 05:11:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-12-28 05:11:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-28 05:11:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-28 05:11:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:11:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:11:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-12-28 05:11:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-12-28 05:11:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-12-28 05:11:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-12-28 05:11:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-12-28 05:11:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-12-28 05:11:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 05:11:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 05:11:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-12-28 05:11:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-12-28 05:11:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:11:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:11:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-12-28 05:11:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-12-28 05:11:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:11:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:11:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-28 05:11:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-28 05:11:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-12-28 05:11:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-12-28 05:11:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-12-28 05:11:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-12-28 05:11:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:11:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:11:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-12-28 05:11:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-12-28 05:11:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-28 05:11:22,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-28 05:11:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-12-28 05:11:22,789 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-12-28 05:11:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:11:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:11:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:11:22,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:11:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-12-28 05:11:22,789 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-12-28 05:11:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:11:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:11:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 05:11:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 05:11:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-12-28 05:11:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-12-28 05:11:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-12-28 05:11:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-12-28 05:11:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:11:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:11:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-12-28 05:11:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-12-28 05:11:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-12-28 05:11:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-12-28 05:11:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-12-28 05:11:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-12-28 05:11:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-12-28 05:11:22,792 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-12-28 05:11:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-12-28 05:11:22,792 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-12-28 05:11:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:11:22,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:11:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-12-28 05:11:22,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-12-28 05:11:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:11:22,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:11:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-12-28 05:11:22,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-12-28 05:11:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-28 05:11:22,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-28 05:11:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-12-28 05:11:22,794 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-12-28 05:11:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-12-28 05:11:22,794 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-12-28 05:11:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 05:11:22,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 05:11:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2021-12-28 05:11:22,794 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2021-12-28 05:11:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:11:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-12-28 05:11:22,794 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-12-28 05:11:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-12-28 05:11:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-12-28 05:11:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-12-28 05:11:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-12-28 05:11:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-12-28 05:11:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-12-28 05:11:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:11:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-12-28 05:11:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-12-28 05:11:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-28 05:11:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-28 05:11:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-28 05:11:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-28 05:11:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:11:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-28 05:11:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-28 05:11:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-12-28 05:11:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-12-28 05:11:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:11:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:11:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-28 05:11:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-28 05:11:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-12-28 05:11:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-12-28 05:11:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-12-28 05:11:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-12-28 05:11:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:11:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:11:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-28 05:11:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-28 05:11:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-28 05:11:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-28 05:11:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-12-28 05:11:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-12-28 05:11:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:11:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:11:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-28 05:11:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-28 05:11:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-12-28 05:11:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-12-28 05:11:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-12-28 05:11:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-12-28 05:11:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-12-28 05:11:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-12-28 05:11:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-28 05:11:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-28 05:11:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-28 05:11:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-28 05:11:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:11:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:11:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:11:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:11:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-12-28 05:11:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-12-28 05:11:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-28 05:11:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-28 05:11:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2021-12-28 05:11:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2021-12-28 05:11:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2021-12-28 05:11:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2021-12-28 05:11:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:11:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-12-28 05:11:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-12-28 05:11:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:11:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:11:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-12-28 05:11:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-12-28 05:11:22,801 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 05:11:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 05:11:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-12-28 05:11:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-12-28 05:11:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 05:11:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 05:11:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-12-28 05:11:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-12-28 05:11:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-12-28 05:11:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-12-28 05:11:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-12-28 05:11:22,802 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-12-28 05:11:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-12-28 05:11:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-12-28 05:11:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:11:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:11:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-12-28 05:11:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-12-28 05:11:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-12-28 05:11:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-12-28 05:11:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-12-28 05:11:22,803 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-12-28 05:11:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-12-28 05:11:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-12-28 05:11:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-12-28 05:11:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-12-28 05:11:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-12-28 05:11:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-12-28 05:11:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-28 05:11:22,804 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-28 05:11:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-12-28 05:11:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-12-28 05:11:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2021-12-28 05:11:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2021-12-28 05:11:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-28 05:11:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-28 05:11:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-12-28 05:11:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-12-28 05:11:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-12-28 05:11:22,805 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-12-28 05:11:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-12-28 05:11:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-12-28 05:11:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:11:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:11:22,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:11:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-28 05:11:23,804 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:11:23,807 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:11:24,041 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:11:34,454 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 05:11:34,631 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:11:34,655 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:11:34,655 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-12-28 05:11:34,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:11:34 BoogieIcfgContainer [2021-12-28 05:11:34,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:11:34,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:11:34,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:11:34,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:11:34,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:11:17" (1/3) ... [2021-12-28 05:11:34,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c2ddf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:11:34, skipping insertion in model container [2021-12-28 05:11:34,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:22" (2/3) ... [2021-12-28 05:11:34,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c2ddf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:11:34, skipping insertion in model container [2021-12-28 05:11:34,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:11:34" (3/3) ... [2021-12-28 05:11:34,666 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-12-28 05:11:34,670 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:11:34,670 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 05:11:34,721 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:11:34,732 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 05:11:34,732 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 05:11:34,807 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) [2021-12-28 05:11:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-28 05:11:34,826 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:34,827 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] [2021-12-28 05:11:34,828 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:34,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:34,832 INFO L85 PathProgramCache]: Analyzing trace with hash -467583431, now seen corresponding path program 1 times [2021-12-28 05:11:34,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:34,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968537559] [2021-12-28 05:11:34,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:34,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:11:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:11:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:35,664 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-28 05:11:35,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:35,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968537559] [2021-12-28 05:11:35,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968537559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:35,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:35,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:35,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473009425] [2021-12-28 05:11:35,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:35,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:35,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:35,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:35,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:35,707 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) [2021-12-28 05:11:37,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:11:39,759 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 [] [2021-12-28 05:11:50,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:50,756 INFO L93 Difference]: Finished difference Result 11984 states and 17999 transitions. [2021-12-28 05:11:50,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:50,764 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 [2021-12-28 05:11:50,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:50,828 INFO L225 Difference]: With dead ends: 11984 [2021-12-28 05:11:50,828 INFO L226 Difference]: Without dead ends: 8046 [2021-12-28 05:11:50,866 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 [2021-12-28 05:11:50,868 INFO L933 BasicCegarLoop]: 5359 mSDtfsCounter, 9140 mSDsluCounter, 4176 mSDsCounter, 0 mSdLazyCounter, 5054 mSolverCounterSat, 3959 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10009 SdHoareTripleChecker+Valid, 9535 SdHoareTripleChecker+Invalid, 9015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3959 IncrementalHoareTripleChecker+Valid, 5054 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:50,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10009 Valid, 9535 Invalid, 9015 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3959 Valid, 5054 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2021-12-28 05:11:50,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8046 states. [2021-12-28 05:11:51,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8046 to 7694. [2021-12-28 05:11:51,254 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) [2021-12-28 05:11:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11224 transitions. [2021-12-28 05:11:51,321 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11224 transitions. Word has length 189 [2021-12-28 05:11:51,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:51,325 INFO L470 AbstractCegarLoop]: Abstraction has 7694 states and 11224 transitions. [2021-12-28 05:11:51,325 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) [2021-12-28 05:11:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11224 transitions. [2021-12-28 05:11:51,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-28 05:11:51,331 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:51,332 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] [2021-12-28 05:11:51,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:11:51,332 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)] === [2021-12-28 05:11:51,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:51,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1633531592, now seen corresponding path program 1 times [2021-12-28 05:11:51,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:51,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091886531] [2021-12-28 05:11:51,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:51,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:11:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:11:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-28 05:11:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:51,774 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-28 05:11:51,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:51,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091886531] [2021-12-28 05:11:51,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091886531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:51,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:51,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:51,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585817550] [2021-12-28 05:11:51,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:51,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:51,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:51,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:51,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:51,777 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) [2021-12-28 05:11:53,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:11:55,683 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 [] [2021-12-28 05:12:08,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:12:08,276 INFO L93 Difference]: Finished difference Result 23286 states and 34479 transitions. [2021-12-28 05:12:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:12:08,277 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 [2021-12-28 05:12:08,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:12:08,390 INFO L225 Difference]: With dead ends: 23286 [2021-12-28 05:12:08,391 INFO L226 Difference]: Without dead ends: 15627 [2021-12-28 05:12:08,449 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 [2021-12-28 05:12:08,450 INFO L933 BasicCegarLoop]: 5335 mSDtfsCounter, 8979 mSDsluCounter, 4390 mSDsCounter, 0 mSdLazyCounter, 5117 mSolverCounterSat, 4037 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9799 SdHoareTripleChecker+Valid, 9725 SdHoareTripleChecker+Invalid, 9155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4037 IncrementalHoareTripleChecker+Valid, 5117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2021-12-28 05:12:08,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9799 Valid, 9725 Invalid, 9155 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4037 Valid, 5117 Invalid, 1 Unknown, 0 Unchecked, 15.8s Time] [2021-12-28 05:12:08,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15627 states. [2021-12-28 05:12:09,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15627 to 15201. [2021-12-28 05:12:09,039 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) [2021-12-28 05:12:09,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15201 states to 15201 states and 22505 transitions. [2021-12-28 05:12:09,125 INFO L78 Accepts]: Start accepts. Automaton has 15201 states and 22505 transitions. Word has length 195 [2021-12-28 05:12:09,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:12:09,126 INFO L470 AbstractCegarLoop]: Abstraction has 15201 states and 22505 transitions. [2021-12-28 05:12:09,126 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) [2021-12-28 05:12:09,127 INFO L276 IsEmpty]: Start isEmpty. Operand 15201 states and 22505 transitions. [2021-12-28 05:12:09,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-12-28 05:12:09,131 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:12:09,131 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] [2021-12-28 05:12:09,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:12:09,132 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)] === [2021-12-28 05:12:09,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:12:09,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1814963991, now seen corresponding path program 1 times [2021-12-28 05:12:09,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:12:09,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794950558] [2021-12-28 05:12:09,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:12:09,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:12:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:12:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:12:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:12:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:12:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:12:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:12:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:12:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:12:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:12:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:12:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:12:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:12:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:12:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:12:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:12:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:12:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-28 05:12:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-28 05:12:09,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:12:09,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794950558] [2021-12-28 05:12:09,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794950558] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:12:09,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:12:09,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:12:09,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309054579] [2021-12-28 05:12:09,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:12:09,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:12:09,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:12:09,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:12:09,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:12:09,603 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) [2021-12-28 05:12:10,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:12:12,973 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 []