./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:53:16,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:53:16,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:53:16,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:53:16,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:53:16,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:53:16,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:53:16,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:53:16,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:53:16,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:53:16,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:53:16,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:53:16,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:53:16,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:53:16,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:53:16,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:53:16,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:53:16,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:53:16,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:53:16,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:53:16,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:53:16,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:53:16,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:53:16,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:53:16,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:53:16,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:53:16,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:53:16,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:53:16,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:53:16,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:53:16,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:53:16,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:53:16,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:53:16,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:53:16,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:53:16,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:53:16,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:53:16,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:53:16,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:53:16,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:53:16,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:53:16,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:53:16,411 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:53:16,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:53:16,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:53:16,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:53:16,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:53:16,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:53:16,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:53:16,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:53:16,413 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:53:16,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:53:16,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:53:16,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:53:16,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:53:16,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:53:16,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:53:16,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:53:16,415 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:53:16,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:53:16,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:53:16,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:53:16,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:53:16,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:53:16,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:53:16,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:53:16,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:53:16,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:53:16,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:53:16,417 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:53:16,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:53:16,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:53:16,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:53:16,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2021-12-22 15:53:16,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:53:16,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:53:16,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:53:16,645 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:53:16,645 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:53:16,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-22 15:53:16,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14dd0d784/44ba6691cc1d4679888b3a61bcceb082/FLAG8a5f6fdd4 [2021-12-22 15:53:17,410 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:53:17,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-22 15:53:17,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14dd0d784/44ba6691cc1d4679888b3a61bcceb082/FLAG8a5f6fdd4 [2021-12-22 15:53:17,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14dd0d784/44ba6691cc1d4679888b3a61bcceb082 [2021-12-22 15:53:17,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:53:17,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:53:17,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:53:17,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:53:17,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:53:17,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:53:17" (1/1) ... [2021-12-22 15:53:17,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c67ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:17, skipping insertion in model container [2021-12-22 15:53:17,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:53:17" (1/1) ... [2021-12-22 15:53:17,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:53:17,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:53:21,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2021-12-22 15:53:21,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2021-12-22 15:53:21,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2021-12-22 15:53:21,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2021-12-22 15:53:21,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:53:21,512 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:53:21,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491234,491247] [2021-12-22 15:53:21,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491403,491416] [2021-12-22 15:53:21,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491570,491583] [2021-12-22 15:53:21,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[491738,491751] [2021-12-22 15:53:21,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:53:22,050 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:53:22,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22 WrapperNode [2021-12-22 15:53:22,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:53:22,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:53:22,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:53:22,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:53:22,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22" (1/1) ... [2021-12-22 15:53:22,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22" (1/1) ... [2021-12-22 15:53:22,587 INFO L137 Inliner]: procedures = 567, calls = 5326, calls flagged for inlining = 289, calls inlined = 261, statements flattened = 11363 [2021-12-22 15:53:22,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:53:22,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:53:22,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:53:22,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:53:22,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22" (1/1) ... [2021-12-22 15:53:22,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22" (1/1) ... [2021-12-22 15:53:22,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22" (1/1) ... [2021-12-22 15:53:22,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22" (1/1) ... [2021-12-22 15:53:22,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22" (1/1) ... [2021-12-22 15:53:22,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22" (1/1) ... [2021-12-22 15:53:22,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22" (1/1) ... [2021-12-22 15:53:22,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:53:22,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:53:22,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:53:22,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:53:22,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22" (1/1) ... [2021-12-22 15:53:22,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:53:22,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:53:22,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:53:23,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:53:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-12-22 15:53:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-12-22 15:53:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2021-12-22 15:53:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2021-12-22 15:53:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:53:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:53:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:53:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:53:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-22 15:53:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-22 15:53:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:53:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:53:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-12-22 15:53:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-12-22 15:53:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-12-22 15:53:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-12-22 15:53:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:53:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:53:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:53:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:53:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:53:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:53:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:53:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:53:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 15:53:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 15:53:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:53:23,048 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:53:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-22 15:53:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-22 15:53:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-22 15:53:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-22 15:53:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-22 15:53:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-22 15:53:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:53:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:53:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-22 15:53:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-22 15:53:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:53:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:53:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:53:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:53:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:53:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:53:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-12-22 15:53:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-12-22 15:53:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:53:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:53:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 15:53:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 15:53:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:53:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:53:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:53:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:53:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:53:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:53:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:53:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:53:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:53:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-12-22 15:53:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-12-22 15:53:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2021-12-22 15:53:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2021-12-22 15:53:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2021-12-22 15:53:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2021-12-22 15:53:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-22 15:53:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-22 15:53:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-12-22 15:53:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-12-22 15:53:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:53:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:53:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-12-22 15:53:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-12-22 15:53:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-12-22 15:53:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-12-22 15:53:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2021-12-22 15:53:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2021-12-22 15:53:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:53:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2021-12-22 15:53:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2021-12-22 15:53:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-12-22 15:53:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-12-22 15:53:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:53:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:53:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:53:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:53:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:53:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:53:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:53:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:53:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-22 15:53:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-22 15:53:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:53:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:53:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:53:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:53:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:53:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:53:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:53:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:53:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:53:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:53:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2021-12-22 15:53:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2021-12-22 15:53:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:53:23,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:53:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:53:23,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:53:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-12-22 15:53:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-12-22 15:53:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-12-22 15:53:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-12-22 15:53:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:53:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:53:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:53:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:53:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:53:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:53:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:53:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-22 15:53:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-22 15:53:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-22 15:53:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-22 15:53:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:53:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:53:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:53:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:53:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:53:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:53:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-12-22 15:53:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-12-22 15:53:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-22 15:53:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-22 15:53:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-22 15:53:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-22 15:53:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:53:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:53:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-22 15:53:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2021-12-22 15:53:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:53:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:53:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:53:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:53:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:53:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:53:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:53:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:53:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-22 15:53:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-12-22 15:53:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:53:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:53:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-22 15:53:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2021-12-22 15:53:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:53:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:53:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2021-12-22 15:53:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2021-12-22 15:53:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:53:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:53:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:53:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:53:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-22 15:53:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-22 15:53:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:53:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:53:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 15:53:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 15:53:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-12-22 15:53:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-12-22 15:53:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:53:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:53:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-22 15:53:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-12-22 15:53:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-22 15:53:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-22 15:53:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:53:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:53:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-12-22 15:53:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-12-22 15:53:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-12-22 15:53:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-12-22 15:53:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:53:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:53:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-22 15:53:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-22 15:53:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-22 15:53:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-22 15:53:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:53:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:53:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:53:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:53:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2021-12-22 15:53:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2021-12-22 15:53:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-22 15:53:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-22 15:53:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:53:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:53:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:53:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-12-22 15:53:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-12-22 15:53:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:53:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:53:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:53:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 15:53:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 15:53:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-22 15:53:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-22 15:53:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-22 15:53:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-22 15:53:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:53:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-12-22 15:53:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-12-22 15:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-12-22 15:53:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-12-22 15:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-12-22 15:53:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-12-22 15:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:53:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-22 15:53:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-22 15:53:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2021-12-22 15:53:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2021-12-22 15:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:53:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:53:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-12-22 15:53:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-12-22 15:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-22 15:53:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-22 15:53:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-12-22 15:53:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-12-22 15:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2021-12-22 15:53:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2021-12-22 15:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:53:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:53:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:53:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 15:53:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 15:53:23,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2021-12-22 15:53:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2021-12-22 15:53:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:53:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:53:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:53:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:53:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:53:23,087 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-12-22 15:53:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-12-22 15:53:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:53:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:53:23,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2021-12-22 15:53:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2021-12-22 15:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-22 15:53:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-22 15:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-12-22 15:53:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-12-22 15:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:53:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2021-12-22 15:53:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2021-12-22 15:53:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:53:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:53:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:53:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:53:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:53:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:53:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-22 15:53:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-22 15:53:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 15:53:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 15:53:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-12-22 15:53:23,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-12-22 15:53:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 15:53:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 15:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-12-22 15:53:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-12-22 15:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2021-12-22 15:53:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2021-12-22 15:53:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:53:23,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:53:23,966 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:53:23,968 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:53:24,964 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:53:29,589 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:53:29,685 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:53:29,709 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:53:29,710 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 15:53:29,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:29 BoogieIcfgContainer [2021-12-22 15:53:29,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:53:29,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:53:29,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:53:29,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:53:29,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:53:17" (1/3) ... [2021-12-22 15:53:29,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de0bbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:53:29, skipping insertion in model container [2021-12-22 15:53:29,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:22" (2/3) ... [2021-12-22 15:53:29,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de0bbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:53:29, skipping insertion in model container [2021-12-22 15:53:29,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:29" (3/3) ... [2021-12-22 15:53:29,719 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-12-22 15:53:29,723 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:53:29,723 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:53:29,769 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:53:29,783 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:53:29,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:53:29,844 INFO L276 IsEmpty]: Start isEmpty. Operand has 3485 states, 2400 states have (on average 1.3654166666666667) internal successors, (3277), 2501 states have internal predecessors, (3277), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) [2021-12-22 15:53:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-22 15:53:29,861 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:29,862 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:53:29,862 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:53:29,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:29,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1591897182, now seen corresponding path program 1 times [2021-12-22 15:53:29,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:29,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739247999] [2021-12-22 15:53:29,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:29,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 15:53:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 15:53:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-22 15:53:30,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:30,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739247999] [2021-12-22 15:53:30,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739247999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:30,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:30,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:53:30,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033491568] [2021-12-22 15:53:30,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:30,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:53:30,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:30,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:53:30,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:53:30,773 INFO L87 Difference]: Start difference. First operand has 3485 states, 2400 states have (on average 1.3654166666666667) internal successors, (3277), 2501 states have internal predecessors, (3277), 951 states have call successors, (951), 133 states have call predecessors, (951), 132 states have return successors, (944), 899 states have call predecessors, (944), 944 states have call successors, (944) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-22 15:53:36,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:36,879 INFO L93 Difference]: Finished difference Result 10459 states and 15819 transitions. [2021-12-22 15:53:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:53:36,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2021-12-22 15:53:36,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:53:36,945 INFO L225 Difference]: With dead ends: 10459 [2021-12-22 15:53:36,945 INFO L226 Difference]: Without dead ends: 6994 [2021-12-22 15:53:36,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:53:36,978 INFO L933 BasicCegarLoop]: 5649 mSDtfsCounter, 5597 mSDsluCounter, 6888 mSDsCounter, 0 mSdLazyCounter, 2747 mSolverCounterSat, 2546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6457 SdHoareTripleChecker+Valid, 12537 SdHoareTripleChecker+Invalid, 5293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2546 IncrementalHoareTripleChecker+Valid, 2747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:53:36,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6457 Valid, 12537 Invalid, 5293 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2546 Valid, 2747 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-12-22 15:53:37,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6994 states. [2021-12-22 15:53:37,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6994 to 6812. [2021-12-22 15:53:37,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 4709 states have (on average 1.3641962200042472) internal successors, (6424), 4908 states have internal predecessors, (6424), 1840 states have call successors, (1840), 261 states have call predecessors, (1840), 260 states have return successors, (1836), 1746 states have call predecessors, (1836), 1836 states have call successors, (1836) [2021-12-22 15:53:37,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 10100 transitions. [2021-12-22 15:53:37,400 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 10100 transitions. Word has length 171 [2021-12-22 15:53:37,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:53:37,401 INFO L470 AbstractCegarLoop]: Abstraction has 6812 states and 10100 transitions. [2021-12-22 15:53:37,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-22 15:53:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 10100 transitions. [2021-12-22 15:53:37,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-22 15:53:37,406 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:37,406 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:53:37,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:53:37,407 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:53:37,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:37,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1866524445, now seen corresponding path program 1 times [2021-12-22 15:53:37,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:37,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409291133] [2021-12-22 15:53:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:37,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 15:53:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:53:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-22 15:53:37,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:37,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409291133] [2021-12-22 15:53:37,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409291133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:37,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:37,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:53:37,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509668572] [2021-12-22 15:53:37,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:37,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:53:37,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:37,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:53:37,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:53:37,971 INFO L87 Difference]: Start difference. First operand 6812 states and 10100 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-22 15:53:43,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:43,329 INFO L93 Difference]: Finished difference Result 14880 states and 22109 transitions. [2021-12-22 15:53:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:53:43,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 180 [2021-12-22 15:53:43,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:53:43,377 INFO L225 Difference]: With dead ends: 14880 [2021-12-22 15:53:43,378 INFO L226 Difference]: Without dead ends: 8099 [2021-12-22 15:53:43,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:53:43,407 INFO L933 BasicCegarLoop]: 5379 mSDtfsCounter, 3972 mSDsluCounter, 6836 mSDsCounter, 0 mSdLazyCounter, 2501 mSolverCounterSat, 2098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4617 SdHoareTripleChecker+Valid, 12215 SdHoareTripleChecker+Invalid, 4599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2098 IncrementalHoareTripleChecker+Valid, 2501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:53:43,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4617 Valid, 12215 Invalid, 4599 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2098 Valid, 2501 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-22 15:53:43,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8099 states. [2021-12-22 15:53:43,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8099 to 7862. [2021-12-22 15:53:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7862 states, 5422 states have (on average 1.364256731833272) internal successors, (7397), 5640 states have internal predecessors, (7397), 2126 states have call successors, (2126), 313 states have call predecessors, (2126), 311 states have return successors, (2122), 2022 states have call predecessors, (2122), 2122 states have call successors, (2122) [2021-12-22 15:53:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7862 states to 7862 states and 11645 transitions. [2021-12-22 15:53:43,823 INFO L78 Accepts]: Start accepts. Automaton has 7862 states and 11645 transitions. Word has length 180 [2021-12-22 15:53:43,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:53:43,824 INFO L470 AbstractCegarLoop]: Abstraction has 7862 states and 11645 transitions. [2021-12-22 15:53:43,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-22 15:53:43,825 INFO L276 IsEmpty]: Start isEmpty. Operand 7862 states and 11645 transitions. [2021-12-22 15:53:43,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-22 15:53:43,830 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:43,831 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:53:43,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:53:43,831 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:53:43,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:43,832 INFO L85 PathProgramCache]: Analyzing trace with hash -971306681, now seen corresponding path program 1 times [2021-12-22 15:53:43,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:43,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732711263] [2021-12-22 15:53:43,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:43,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 15:53:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-22 15:53:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:44,267 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-22 15:53:44,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:44,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732711263] [2021-12-22 15:53:44,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732711263] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:44,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:44,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:53:44,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109299085] [2021-12-22 15:53:44,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:44,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:53:44,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:44,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:53:44,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:53:44,271 INFO L87 Difference]: Start difference. First operand 7862 states and 11645 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-22 15:53:49,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:49,787 INFO L93 Difference]: Finished difference Result 20694 states and 30718 transitions. [2021-12-22 15:53:49,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:53:49,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 181 [2021-12-22 15:53:49,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:53:49,857 INFO L225 Difference]: With dead ends: 20694 [2021-12-22 15:53:49,857 INFO L226 Difference]: Without dead ends: 12863 [2021-12-22 15:53:49,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:53:49,889 INFO L933 BasicCegarLoop]: 5593 mSDtfsCounter, 5355 mSDsluCounter, 6844 mSDsCounter, 0 mSdLazyCounter, 2749 mSolverCounterSat, 2570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6189 SdHoareTripleChecker+Valid, 12437 SdHoareTripleChecker+Invalid, 5319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2570 IncrementalHoareTripleChecker+Valid, 2749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:53:49,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6189 Valid, 12437 Invalid, 5319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2570 Valid, 2749 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-22 15:53:49,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12863 states. [2021-12-22 15:53:50,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12863 to 12512. [2021-12-22 15:53:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12512 states, 8597 states have (on average 1.364196812841689) internal successors, (11728), 8952 states have internal predecessors, (11728), 3404 states have call successors, (3404), 506 states have call predecessors, (3404), 508 states have return successors, (3417), 3227 states have call predecessors, (3417), 3400 states have call successors, (3417) [2021-12-22 15:53:50,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12512 states to 12512 states and 18549 transitions. [2021-12-22 15:53:50,388 INFO L78 Accepts]: Start accepts. Automaton has 12512 states and 18549 transitions. Word has length 181 [2021-12-22 15:53:50,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:53:50,390 INFO L470 AbstractCegarLoop]: Abstraction has 12512 states and 18549 transitions. [2021-12-22 15:53:50,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-22 15:53:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 12512 states and 18549 transitions. [2021-12-22 15:53:50,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-22 15:53:50,393 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:50,394 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:53:50,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:53:50,394 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:53:50,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:50,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1349082925, now seen corresponding path program 1 times [2021-12-22 15:53:50,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:50,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314931990] [2021-12-22 15:53:50,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:50,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 15:53:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-22 15:53:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-22 15:53:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-22 15:53:50,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:50,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314931990] [2021-12-22 15:53:50,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314931990] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:50,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:50,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:53:50,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729853844] [2021-12-22 15:53:50,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:50,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:53:50,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:50,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:53:50,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:53:50,928 INFO L87 Difference]: Start difference. First operand 12512 states and 18549 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-22 15:54:03,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:54:03,868 INFO L93 Difference]: Finished difference Result 46520 states and 68972 transitions. [2021-12-22 15:54:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:54:03,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 188 [2021-12-22 15:54:03,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:54:04,040 INFO L225 Difference]: With dead ends: 46520 [2021-12-22 15:54:04,040 INFO L226 Difference]: Without dead ends: 34039 [2021-12-22 15:54:04,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:54:04,104 INFO L933 BasicCegarLoop]: 6239 mSDtfsCounter, 10413 mSDsluCounter, 13666 mSDsCounter, 0 mSdLazyCounter, 10132 mSolverCounterSat, 4364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11954 SdHoareTripleChecker+Valid, 19905 SdHoareTripleChecker+Invalid, 14496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4364 IncrementalHoareTripleChecker+Valid, 10132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:54:04,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11954 Valid, 19905 Invalid, 14496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4364 Valid, 10132 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2021-12-22 15:54:04,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34039 states. [2021-12-22 15:54:05,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34039 to 33060. [2021-12-22 15:54:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33060 states, 22731 states have (on average 1.3630284633320136) internal successors, (30983), 23706 states have internal predecessors, (30983), 8959 states have call successors, (8959), 1359 states have call predecessors, (8959), 1367 states have return successors, (9006), 8465 states have call predecessors, (9006), 8955 states have call successors, (9006) [2021-12-22 15:54:05,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33060 states to 33060 states and 48948 transitions. [2021-12-22 15:54:05,458 INFO L78 Accepts]: Start accepts. Automaton has 33060 states and 48948 transitions. Word has length 188 [2021-12-22 15:54:05,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:54:05,461 INFO L470 AbstractCegarLoop]: Abstraction has 33060 states and 48948 transitions. [2021-12-22 15:54:05,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-22 15:54:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 33060 states and 48948 transitions. [2021-12-22 15:54:05,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-22 15:54:05,464 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:54:05,464 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:54:05,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:54:05,465 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:54:05,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:54:05,465 INFO L85 PathProgramCache]: Analyzing trace with hash -392155911, now seen corresponding path program 1 times [2021-12-22 15:54:05,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:54:05,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138646464] [2021-12-22 15:54:05,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:54:05,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:54:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:54:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:54:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:54:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:54:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:54:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:54:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:54:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:54:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:54:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:54:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:54:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:54:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:54:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:54:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 15:54:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-22 15:54:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-22 15:54:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:54:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 15:54:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-22 15:54:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:54:05,835 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-22 15:54:05,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:54:05,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138646464] [2021-12-22 15:54:05,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138646464] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:54:05,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:54:05,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:54:05,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792453730] [2021-12-22 15:54:05,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:54:05,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:54:05,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:54:05,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:54:05,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:54:05,838 INFO L87 Difference]: Start difference. First operand 33060 states and 48948 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20)