./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 eb692b52 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-?-eb692b5 [2022-07-20 03:30:12,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:30:12,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:30:12,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:30:12,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:30:12,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:30:12,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:30:12,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:30:12,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:30:12,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:30:12,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:30:12,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:30:12,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:30:12,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:30:12,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:30:12,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:30:12,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:30:12,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:30:12,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:30:12,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:30:12,889 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:30:12,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:30:12,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:30:12,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:30:12,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:30:12,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:30:12,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:30:12,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:30:12,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:30:12,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:30:12,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:30:12,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:30:12,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:30:12,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:30:12,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:30:12,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:30:12,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:30:12,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:30:12,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:30:12,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:30:12,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:30:12,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:30:12,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:30:12,937 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:30:12,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:30:12,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:30:12,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:30:12,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:30:12,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:30:12,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:30:12,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:30:12,940 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:30:12,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:30:12,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:30:12,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:30:12,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:30:12,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:30:12,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:30:12,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:30:12,942 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:30:12,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:30:12,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:30:12,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:30:12,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:30:12,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:30:12,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:30:12,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:30:12,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:30:12,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:30:12,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:30:12,944 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:30:12,944 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:30:12,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:30:12,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 435b3fa8073a80dcd9b8b69819909b6031007c35574ec244127e6237bed3be57 [2022-07-20 03:30:13,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:30:13,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:30:13,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:30:13,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:30:13,230 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:30:13,232 INFO L432 ainManager$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 [2022-07-20 03:30:13,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c46558b83/adc01e90e334439988e10601c53a4bb6/FLAG943261275 [2022-07-20 03:30:14,108 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:30:14,109 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 [2022-07-20 03:30:14,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c46558b83/adc01e90e334439988e10601c53a4bb6/FLAG943261275 [2022-07-20 03:30:14,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c46558b83/adc01e90e334439988e10601c53a4bb6 [2022-07-20 03:30:14,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:30:14,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:30:14,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:30:14,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:30:14,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:30:14,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:14,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676636f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:14, skipping insertion in model container [2022-07-20 03:30:14,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:30:14" (1/1) ... [2022-07-20 03:30:14,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:30:14,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:30:18,327 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] [2022-07-20 03:30:18,330 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] [2022-07-20 03:30:18,335 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] [2022-07-20 03:30:18,335 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] [2022-07-20 03:30:18,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:30:18,419 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:30:18,861 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] [2022-07-20 03:30:18,861 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] [2022-07-20 03:30:18,862 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] [2022-07-20 03:30:18,862 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] [2022-07-20 03:30:18,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:30:19,167 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:30:19,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19 WrapperNode [2022-07-20 03:30:19,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:30:19,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:30:19,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:30:19,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:30:19,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19" (1/1) ... [2022-07-20 03:30:19,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19" (1/1) ... [2022-07-20 03:30:19,741 INFO L137 Inliner]: procedures = 567, calls = 5328, calls flagged for inlining = 289, calls inlined = 261, statements flattened = 12149 [2022-07-20 03:30:19,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:30:19,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:30:19,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:30:19,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:30:19,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19" (1/1) ... [2022-07-20 03:30:19,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19" (1/1) ... [2022-07-20 03:30:19,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19" (1/1) ... [2022-07-20 03:30:19,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19" (1/1) ... [2022-07-20 03:30:20,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19" (1/1) ... [2022-07-20 03:30:20,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19" (1/1) ... [2022-07-20 03:30:20,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19" (1/1) ... [2022-07-20 03:30:20,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:30:20,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:30:20,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:30:20,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:30:20,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19" (1/1) ... [2022-07-20 03:30:20,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:30:20,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:30:20,336 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) [2022-07-20 03:30:20,349 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 [2022-07-20 03:30:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-07-20 03:30:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-07-20 03:30:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2022-07-20 03:30:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2022-07-20 03:30:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 03:30:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 03:30:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:30:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:30:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 03:30:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 03:30:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:30:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:30:20,383 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-07-20 03:30:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-07-20 03:30:20,383 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-07-20 03:30:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-07-20 03:30:20,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:30:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:30:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 03:30:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 03:30:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:30:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:30:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:30:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:30:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-20 03:30:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-20 03:30:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 03:30:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 03:30:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-20 03:30:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-20 03:30:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-07-20 03:30:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-07-20 03:30:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 03:30:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 03:30:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 03:30:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 03:30:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-20 03:30:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-20 03:30:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 03:30:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 03:30:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 03:30:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 03:30:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:30:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:30:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-07-20 03:30:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-07-20 03:30:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:30:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:30:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 03:30:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 03:30:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:30:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:30:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:30:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:30:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 03:30:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 03:30:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 03:30:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 03:30:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:30:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-07-20 03:30:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-07-20 03:30:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2022-07-20 03:30:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2022-07-20 03:30:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2022-07-20 03:30:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2022-07-20 03:30:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-20 03:30:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-20 03:30:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-07-20 03:30:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-07-20 03:30:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:30:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:30:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-07-20 03:30:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-07-20 03:30:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-07-20 03:30:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-07-20 03:30:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2022-07-20 03:30:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2022-07-20 03:30:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:30:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2022-07-20 03:30:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2022-07-20 03:30:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-07-20 03:30:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-07-20 03:30:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:30:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:30:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 03:30:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 03:30:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:30:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:30:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:30:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:30:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-20 03:30:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-20 03:30:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:30:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:30:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:30:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:30:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:30:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:30:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:30:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:30:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:30:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:30:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2022-07-20 03:30:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2022-07-20 03:30:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 03:30:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 03:30:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:30:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:30:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-07-20 03:30:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-07-20 03:30:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-07-20 03:30:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-07-20 03:30:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:30:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:30:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:30:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:30:20,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:30:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:30:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:30:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 03:30:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 03:30:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 03:30:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 03:30:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:30:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:30:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:30:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:30:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:30:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:30:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-07-20 03:30:20,413 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-07-20 03:30:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-20 03:30:20,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-20 03:30:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-20 03:30:20,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-20 03:30:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:30:20,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:30:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-20 03:30:20,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2022-07-20 03:30:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 03:30:20,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 03:30:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 03:30:20,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 03:30:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:30:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:30:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:30:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:30:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-20 03:30:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2022-07-20 03:30:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 03:30:20,415 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 03:30:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-20 03:30:20,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2022-07-20 03:30:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:30:20,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:30:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2022-07-20 03:30:20,416 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2022-07-20 03:30:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:30:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:30:20,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:30:20,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:30:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-20 03:30:20,417 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-20 03:30:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:30:20,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:30:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 03:30:20,417 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 03:30:20,417 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-07-20 03:30:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-07-20 03:30:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 03:30:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 03:30:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-20 03:30:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2022-07-20 03:30:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-20 03:30:20,418 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-20 03:30:20,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:30:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:30:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-07-20 03:30:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-07-20 03:30:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-07-20 03:30:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-07-20 03:30:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 03:30:20,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 03:30:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-20 03:30:20,420 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-20 03:30:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-20 03:30:20,420 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-20 03:30:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:30:20,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:30:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:30:20,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:30:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2022-07-20 03:30:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2022-07-20 03:30:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-20 03:30:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-20 03:30:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 03:30:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 03:30:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:30:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-07-20 03:30:20,421 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-07-20 03:30:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:30:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:30:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:30:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 03:30:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 03:30:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-20 03:30:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-20 03:30:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-20 03:30:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-20 03:30:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:30:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-07-20 03:30:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-07-20 03:30:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-07-20 03:30:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-07-20 03:30:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-07-20 03:30:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-07-20 03:30:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:30:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:30:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-20 03:30:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-20 03:30:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2022-07-20 03:30:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2022-07-20 03:30:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:30:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:30:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 03:30:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 03:30:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-07-20 03:30:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-07-20 03:30:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-20 03:30:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-20 03:30:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-07-20 03:30:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-07-20 03:30:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2022-07-20 03:30:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2022-07-20 03:30:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:30:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:30:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:30:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:30:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 03:30:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 03:30:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2022-07-20 03:30:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2022-07-20 03:30:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:30:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:30:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:30:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:30:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:30:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-07-20 03:30:20,431 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-07-20 03:30:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:30:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:30:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61___0 [2022-07-20 03:30:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61___0 [2022-07-20 03:30:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-20 03:30:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-20 03:30:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-07-20 03:30:20,433 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-07-20 03:30:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:30:20,433 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:30:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2022-07-20 03:30:20,433 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2022-07-20 03:30:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 03:30:20,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 03:30:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:30:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:30:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 03:30:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 03:30:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-20 03:30:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-20 03:30:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 03:30:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 03:30:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-07-20 03:30:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-07-20 03:30:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 03:30:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 03:30:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-07-20 03:30:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-07-20 03:30:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:30:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2022-07-20 03:30:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2022-07-20 03:30:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:30:20,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:30:21,500 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:30:21,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:30:22,470 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:30:29,266 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:30:29,382 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:30:29,414 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:30:29,414 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-20 03:30:29,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:30:29 BoogieIcfgContainer [2022-07-20 03:30:29,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:30:29,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:30:29,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:30:29,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:30:29,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:30:14" (1/3) ... [2022-07-20 03:30:29,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd2ab67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:30:29, skipping insertion in model container [2022-07-20 03:30:29,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:30:19" (2/3) ... [2022-07-20 03:30:29,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd2ab67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:30:29, skipping insertion in model container [2022-07-20 03:30:29,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:30:29" (3/3) ... [2022-07-20 03:30:29,427 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2022-07-20 03:30:29,440 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:30:29,440 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 03:30:29,546 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:30:29,552 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3e7ceb6b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@57ac3fe [2022-07-20 03:30:29,553 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 03:30:29,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 3829 states, 2744 states have (on average 1.4427842565597668) internal successors, (3959), 2845 states have internal predecessors, (3959), 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) [2022-07-20 03:30:29,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-20 03:30:29,591 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:30:29,593 INFO L195 NwaCegarLoop]: 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] [2022-07-20 03:30:29,593 INFO L420 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)] === [2022-07-20 03:30:29,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:30:29,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2081427451, now seen corresponding path program 1 times [2022-07-20 03:30:29,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:30:29,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177711991] [2022-07-20 03:30:29,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:30:29,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:30:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:30:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:30:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:30:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:30:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:30:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:30:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:30:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:30:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:30:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:30:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:30:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:30:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:31,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:30:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:31,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:31,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:30:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:31,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 03:30:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-20 03:30:31,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:30:31,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177711991] [2022-07-20 03:30:31,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177711991] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:30:31,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:30:31,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:30:31,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241946298] [2022-07-20 03:30:31,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:30:31,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:30:31,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:30:31,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:30:31,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:30:31,122 INFO L87 Difference]: Start difference. First operand has 3829 states, 2744 states have (on average 1.4427842565597668) internal successors, (3959), 2845 states have internal predecessors, (3959), 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) [2022-07-20 03:30:38,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:30:38,435 INFO L93 Difference]: Finished difference Result 11501 states and 17923 transitions. [2022-07-20 03:30:38,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:30:38,443 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 [2022-07-20 03:30:38,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:30:38,533 INFO L225 Difference]: With dead ends: 11501 [2022-07-20 03:30:38,534 INFO L226 Difference]: Without dead ends: 7692 [2022-07-20 03:30:38,580 INFO L412 NwaCegarLoop]: 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 [2022-07-20 03:30:38,583 INFO L413 NwaCegarLoop]: 6117 mSDtfsCounter, 6346 mSDsluCounter, 6842 mSDsCounter, 0 mSdLazyCounter, 3612 mSolverCounterSat, 2550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7205 SdHoareTripleChecker+Valid, 12959 SdHoareTripleChecker+Invalid, 6162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2550 IncrementalHoareTripleChecker+Valid, 3612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:30:38,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7205 Valid, 12959 Invalid, 6162 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2550 Valid, 3612 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-07-20 03:30:38,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7692 states. [2022-07-20 03:30:39,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7692 to 7500. [2022-07-20 03:30:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7500 states, 5397 states have (on average 1.3666851954789698) internal successors, (7376), 5596 states have internal predecessors, (7376), 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) [2022-07-20 03:30:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7500 states to 7500 states and 11052 transitions. [2022-07-20 03:30:39,202 INFO L78 Accepts]: Start accepts. Automaton has 7500 states and 11052 transitions. Word has length 171 [2022-07-20 03:30:39,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:30:39,205 INFO L495 AbstractCegarLoop]: Abstraction has 7500 states and 11052 transitions. [2022-07-20 03:30:39,206 INFO L496 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) [2022-07-20 03:30:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 7500 states and 11052 transitions. [2022-07-20 03:30:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-20 03:30:39,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:30:39,215 INFO L195 NwaCegarLoop]: 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] [2022-07-20 03:30:39,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:30:39,216 INFO L420 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)] === [2022-07-20 03:30:39,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:30:39,217 INFO L85 PathProgramCache]: Analyzing trace with hash -39637302, now seen corresponding path program 1 times [2022-07-20 03:30:39,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:30:39,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380227089] [2022-07-20 03:30:39,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:30:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:30:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:30:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:30:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:30:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:30:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:30:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:30:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:30:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:30:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:30:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:30:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:30:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:30:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:30:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:30:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 03:30:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-20 03:30:39,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:30:39,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380227089] [2022-07-20 03:30:39,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380227089] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:30:39,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:30:39,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:30:39,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893228799] [2022-07-20 03:30:39,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:30:39,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:30:39,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:30:39,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:30:39,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:30:39,870 INFO L87 Difference]: Start difference. First operand 7500 states and 11052 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) [2022-07-20 03:30:46,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:30:46,156 INFO L93 Difference]: Finished difference Result 16299 states and 24072 transitions. [2022-07-20 03:30:46,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:30:46,157 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 [2022-07-20 03:30:46,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:30:46,218 INFO L225 Difference]: With dead ends: 16299 [2022-07-20 03:30:46,218 INFO L226 Difference]: Without dead ends: 8830 [2022-07-20 03:30:46,263 INFO L412 NwaCegarLoop]: 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 [2022-07-20 03:30:46,264 INFO L413 NwaCegarLoop]: 5853 mSDtfsCounter, 4432 mSDsluCounter, 6791 mSDsCounter, 0 mSdLazyCounter, 3365 mSolverCounterSat, 2099 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5078 SdHoareTripleChecker+Valid, 12644 SdHoareTripleChecker+Invalid, 5464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2099 IncrementalHoareTripleChecker+Valid, 3365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:30:46,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5078 Valid, 12644 Invalid, 5464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2099 Valid, 3365 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-20 03:30:46,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8830 states. [2022-07-20 03:30:46,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8830 to 8578. [2022-07-20 03:30:46,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8578 states, 6138 states have (on average 1.3664059954382535) internal successors, (8387), 6356 states have internal predecessors, (8387), 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) [2022-07-20 03:30:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8578 states to 8578 states and 12635 transitions. [2022-07-20 03:30:46,776 INFO L78 Accepts]: Start accepts. Automaton has 8578 states and 12635 transitions. Word has length 180 [2022-07-20 03:30:46,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:30:46,777 INFO L495 AbstractCegarLoop]: Abstraction has 8578 states and 12635 transitions. [2022-07-20 03:30:46,778 INFO L496 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) [2022-07-20 03:30:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand 8578 states and 12635 transitions. [2022-07-20 03:30:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-20 03:30:46,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:30:46,782 INFO L195 NwaCegarLoop]: 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] [2022-07-20 03:30:46,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:30:46,783 INFO L420 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)] === [2022-07-20 03:30:46,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:30:46,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1808562919, now seen corresponding path program 1 times [2022-07-20 03:30:46,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:30:46,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674506029] [2022-07-20 03:30:46,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:30:46,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:30:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:30:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:30:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:30:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:30:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:30:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:30:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:30:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:30:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:30:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:30:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:30:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:30:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:30:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:30:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 03:30:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:47,269 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-20 03:30:47,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:30:47,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674506029] [2022-07-20 03:30:47,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674506029] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:30:47,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:30:47,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:30:47,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499031183] [2022-07-20 03:30:47,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:30:47,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:30:47,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:30:47,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:30:47,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:30:47,275 INFO L87 Difference]: Start difference. First operand 8578 states and 12635 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) [2022-07-20 03:30:53,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:30:53,344 INFO L93 Difference]: Finished difference Result 22577 states and 33326 transitions. [2022-07-20 03:30:53,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:30:53,347 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 [2022-07-20 03:30:53,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:30:53,432 INFO L225 Difference]: With dead ends: 22577 [2022-07-20 03:30:53,432 INFO L226 Difference]: Without dead ends: 14030 [2022-07-20 03:30:53,468 INFO L412 NwaCegarLoop]: 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 [2022-07-20 03:30:53,471 INFO L413 NwaCegarLoop]: 6068 mSDtfsCounter, 6082 mSDsluCounter, 6813 mSDsCounter, 0 mSdLazyCounter, 3610 mSolverCounterSat, 2570 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6918 SdHoareTripleChecker+Valid, 12881 SdHoareTripleChecker+Invalid, 6180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2570 IncrementalHoareTripleChecker+Valid, 3610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:30:53,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6918 Valid, 12881 Invalid, 6180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2570 Valid, 3610 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-20 03:30:53,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14030 states. [2022-07-20 03:30:54,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14030 to 13654. [2022-07-20 03:30:54,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13654 states, 9739 states have (on average 1.36677276927816) internal successors, (13311), 10094 states have internal predecessors, (13311), 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) [2022-07-20 03:30:54,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13654 states to 13654 states and 20132 transitions. [2022-07-20 03:30:54,245 INFO L78 Accepts]: Start accepts. Automaton has 13654 states and 20132 transitions. Word has length 181 [2022-07-20 03:30:54,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:30:54,247 INFO L495 AbstractCegarLoop]: Abstraction has 13654 states and 20132 transitions. [2022-07-20 03:30:54,248 INFO L496 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) [2022-07-20 03:30:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 13654 states and 20132 transitions. [2022-07-20 03:30:54,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-20 03:30:54,252 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:30:54,253 INFO L195 NwaCegarLoop]: 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] [2022-07-20 03:30:54,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:30:54,253 INFO L420 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)] === [2022-07-20 03:30:54,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:30:54,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1455780988, now seen corresponding path program 1 times [2022-07-20 03:30:54,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:30:54,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681795895] [2022-07-20 03:30:54,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:30:54,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:30:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:30:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:30:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:30:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:30:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:30:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:30:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:30:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:30:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:30:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:30:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:30:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:30:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:30:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:30:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:30:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 03:30:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 03:30:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-20 03:30:54,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:30:54,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681795895] [2022-07-20 03:30:54,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681795895] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:30:54,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:30:54,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:30:54,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931651752] [2022-07-20 03:30:54,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:30:54,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:30:54,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:30:54,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:30:54,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:30:54,808 INFO L87 Difference]: Start difference. First operand 13654 states and 20132 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) [2022-07-20 03:31:10,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:31:10,425 INFO L93 Difference]: Finished difference Result 50875 states and 75007 transitions. [2022-07-20 03:31:10,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 03:31:10,426 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 [2022-07-20 03:31:10,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:31:10,615 INFO L225 Difference]: With dead ends: 50875 [2022-07-20 03:31:10,616 INFO L226 Difference]: Without dead ends: 37252 [2022-07-20 03:31:10,678 INFO L412 NwaCegarLoop]: 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 [2022-07-20 03:31:10,679 INFO L413 NwaCegarLoop]: 6701 mSDtfsCounter, 11754 mSDsluCounter, 13146 mSDsCounter, 0 mSdLazyCounter, 12455 mSolverCounterSat, 4349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13297 SdHoareTripleChecker+Valid, 19847 SdHoareTripleChecker+Invalid, 16804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4349 IncrementalHoareTripleChecker+Valid, 12455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:31:10,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13297 Valid, 19847 Invalid, 16804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4349 Valid, 12455 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2022-07-20 03:31:10,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37252 states. [2022-07-20 03:31:12,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37252 to 36208. [2022-07-20 03:31:12,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36208 states, 25879 states have (on average 1.3657405618455118) internal successors, (35344), 26854 states have internal predecessors, (35344), 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) [2022-07-20 03:31:12,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36208 states to 36208 states and 53309 transitions. [2022-07-20 03:31:12,591 INFO L78 Accepts]: Start accepts. Automaton has 36208 states and 53309 transitions. Word has length 188 [2022-07-20 03:31:12,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:31:12,592 INFO L495 AbstractCegarLoop]: Abstraction has 36208 states and 53309 transitions. [2022-07-20 03:31:12,592 INFO L496 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) [2022-07-20 03:31:12,593 INFO L276 IsEmpty]: Start isEmpty. Operand 36208 states and 53309 transitions. [2022-07-20 03:31:12,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-20 03:31:12,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:31:12,598 INFO L195 NwaCegarLoop]: 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] [2022-07-20 03:31:12,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:31:12,598 INFO L420 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)] === [2022-07-20 03:31:12,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:31:12,599 INFO L85 PathProgramCache]: Analyzing trace with hash 251480147, now seen corresponding path program 1 times [2022-07-20 03:31:12,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:31:12,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206724593] [2022-07-20 03:31:12,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:31:12,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:31:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:31:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:31:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:31:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:31:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:31:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:31:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:12,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:31:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:31:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:31:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:31:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:31:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:31:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:31:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:31:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 03:31:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 03:31:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 03:31:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 03:31:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-20 03:31:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-20 03:31:13,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:31:13,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206724593] [2022-07-20 03:31:13,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206724593] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:31:13,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:31:13,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:31:13,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108268803] [2022-07-20 03:31:13,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:31:13,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:31:13,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:31:13,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:31:13,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:31:13,151 INFO L87 Difference]: Start difference. First operand 36208 states and 53309 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) [2022-07-20 03:31:20,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:31:20,760 INFO L93 Difference]: Finished difference Result 105017 states and 154637 transitions. [2022-07-20 03:31:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:31:20,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 196 [2022-07-20 03:31:20,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:31:21,433 INFO L225 Difference]: With dead ends: 105017 [2022-07-20 03:31:21,434 INFO L226 Difference]: Without dead ends: 68840 [2022-07-20 03:31:21,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:31:21,592 INFO L413 NwaCegarLoop]: 6390 mSDtfsCounter, 6349 mSDsluCounter, 7038 mSDsCounter, 0 mSdLazyCounter, 3593 mSolverCounterSat, 2535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7200 SdHoareTripleChecker+Valid, 13428 SdHoareTripleChecker+Invalid, 6128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2535 IncrementalHoareTripleChecker+Valid, 3593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:31:21,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7200 Valid, 13428 Invalid, 6128 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2535 Valid, 3593 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-20 03:31:21,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68840 states. [2022-07-20 03:31:24,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68840 to 66947. [2022-07-20 03:31:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66947 states, 47890 states have (on average 1.3633743996659011) internal successors, (65292), 49703 states have internal predecessors, (65292), 16485 states have call successors, (16485), 2579 states have call predecessors, (16485), 2569 states have return successors, (16586), 15527 states have call predecessors, (16586), 16481 states have call successors, (16586) [2022-07-20 03:31:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66947 states to 66947 states and 98363 transitions. [2022-07-20 03:31:25,790 INFO L78 Accepts]: Start accepts. Automaton has 66947 states and 98363 transitions. Word has length 196 [2022-07-20 03:31:25,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:31:25,791 INFO L495 AbstractCegarLoop]: Abstraction has 66947 states and 98363 transitions. [2022-07-20 03:31:25,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-20 03:31:25,792 INFO L276 IsEmpty]: Start isEmpty. Operand 66947 states and 98363 transitions. [2022-07-20 03:31:25,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-20 03:31:25,795 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:31:25,796 INFO L195 NwaCegarLoop]: 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] [2022-07-20 03:31:25,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 03:31:25,796 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:31:25,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:31:25,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1088846815, now seen corresponding path program 1 times [2022-07-20 03:31:25,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:31:25,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964015368] [2022-07-20 03:31:25,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:31:25,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:31:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:31:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:31:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:31:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:31:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:31:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:31:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:31:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:31:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:31:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:31:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:31:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:31:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:31:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:31:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 03:31:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:31:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 03:31:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:26,353 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-20 03:31:26,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:31:26,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964015368] [2022-07-20 03:31:26,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964015368] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:31:26,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:31:26,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:31:26,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853959014] [2022-07-20 03:31:26,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:31:26,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:31:26,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:31:26,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:31:26,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:31:26,356 INFO L87 Difference]: Start difference. First operand 66947 states and 98363 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 03:31:35,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:31:35,412 INFO L93 Difference]: Finished difference Result 203204 states and 298952 transitions. [2022-07-20 03:31:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:31:35,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-07-20 03:31:35,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:31:36,088 INFO L225 Difference]: With dead ends: 203204 [2022-07-20 03:31:36,088 INFO L226 Difference]: Without dead ends: 136288 [2022-07-20 03:31:36,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:31:36,652 INFO L413 NwaCegarLoop]: 6130 mSDtfsCounter, 6367 mSDsluCounter, 6879 mSDsCounter, 0 mSdLazyCounter, 3617 mSolverCounterSat, 2599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7228 SdHoareTripleChecker+Valid, 13009 SdHoareTripleChecker+Invalid, 6216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2599 IncrementalHoareTripleChecker+Valid, 3617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:31:36,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7228 Valid, 13009 Invalid, 6216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2599 Valid, 3617 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-20 03:31:36,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136288 states. [2022-07-20 03:31:41,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136288 to 132533. [2022-07-20 03:31:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132533 states, 94858 states have (on average 1.3633641864681945) internal successors, (129326), 98483 states have internal predecessors, (129326), 32585 states have call successors, (32585), 5106 states have call predecessors, (32585), 5087 states have return successors, (32788), 30663 states have call predecessors, (32788), 32581 states have call successors, (32788) [2022-07-20 03:31:42,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132533 states to 132533 states and 194699 transitions. [2022-07-20 03:31:42,967 INFO L78 Accepts]: Start accepts. Automaton has 132533 states and 194699 transitions. Word has length 194 [2022-07-20 03:31:42,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:31:42,971 INFO L495 AbstractCegarLoop]: Abstraction has 132533 states and 194699 transitions. [2022-07-20 03:31:42,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 03:31:42,972 INFO L276 IsEmpty]: Start isEmpty. Operand 132533 states and 194699 transitions. [2022-07-20 03:31:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-20 03:31:42,975 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:31:42,976 INFO L195 NwaCegarLoop]: 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] [2022-07-20 03:31:42,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 03:31:42,976 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-07-20 03:31:42,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:31:42,977 INFO L85 PathProgramCache]: Analyzing trace with hash -303956428, now seen corresponding path program 1 times [2022-07-20 03:31:42,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:31:42,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765402755] [2022-07-20 03:31:42,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:31:42,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:31:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:31:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:31:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:31:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:31:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:31:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:31:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:31:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:31:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:31:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:31:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:31:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:31:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:31:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:31:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:31:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 03:31:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:31:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 03:31:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:31:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-20 03:31:43,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:31:43,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765402755] [2022-07-20 03:31:43,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765402755] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:31:43,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:31:43,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:31:43,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801709548] [2022-07-20 03:31:43,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:31:43,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:31:43,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:31:43,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:31:43,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:31:43,894 INFO L87 Difference]: Start difference. First operand 132533 states and 194699 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 03:31:56,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:31:56,211 INFO L93 Difference]: Finished difference Result 395345 states and 583247 transitions. [2022-07-20 03:31:56,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:31:56,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2022-07-20 03:31:56,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:31:57,891 INFO L225 Difference]: With dead ends: 395345 [2022-07-20 03:31:57,891 INFO L226 Difference]: Without dead ends: 262843 [2022-07-20 03:31:58,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:31:58,456 INFO L413 NwaCegarLoop]: 6326 mSDtfsCounter, 6302 mSDsluCounter, 6931 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 2540 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7140 SdHoareTripleChecker+Valid, 13257 SdHoareTripleChecker+Invalid, 6075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2540 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-20 03:31:58,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7140 Valid, 13257 Invalid, 6075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2540 Valid, 3535 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-20 03:31:58,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262843 states. [2022-07-20 03:32:08,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262843 to 256288. [2022-07-20 03:32:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256288 states, 183822 states have (on average 1.3669528130474045) internal successors, (251276), 190894 states have internal predecessors, (251276), 62646 states have call successors, (62646), 9878 states have call predecessors, (62646), 9817 states have return successors, (64182), 58781 states have call predecessors, (64182), 62642 states have call successors, (64182) [2022-07-20 03:32:10,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256288 states to 256288 states and 378104 transitions. [2022-07-20 03:32:10,837 INFO L78 Accepts]: Start accepts. Automaton has 256288 states and 378104 transitions. Word has length 194 [2022-07-20 03:32:10,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:32:10,838 INFO L495 AbstractCegarLoop]: Abstraction has 256288 states and 378104 transitions. [2022-07-20 03:32:10,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 03:32:10,839 INFO L276 IsEmpty]: Start isEmpty. Operand 256288 states and 378104 transitions. [2022-07-20 03:32:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-20 03:32:10,842 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:32:10,842 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:32:10,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 03:32:10,843 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-07-20 03:32:10,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:32:10,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1238881710, now seen corresponding path program 1 times [2022-07-20 03:32:10,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:32:10,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358409770] [2022-07-20 03:32:10,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:32:10,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:32:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:32:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:32:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:32:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:32:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:32:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:32:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:32:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:32:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:32:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:32:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:32:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:32:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:32:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:32:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:32:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 03:32:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:32:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 03:32:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-20 03:32:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:32:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2022-07-20 03:32:11,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:32:11,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358409770] [2022-07-20 03:32:11,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358409770] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:32:11,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:32:11,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:32:11,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162028946] [2022-07-20 03:32:11,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:32:11,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:32:11,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:32:11,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:32:11,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:32:11,900 INFO L87 Difference]: Start difference. First operand 256288 states and 378104 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)