./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-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-3com-3c59x.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 eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:59:18,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:59:18,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:59:18,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:59:18,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:59:18,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:59:18,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:59:18,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:59:18,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:59:18,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:59:18,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:59:18,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:59:18,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:59:18,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:59:18,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:59:18,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:59:18,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:59:18,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:59:18,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:59:18,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:59:18,354 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:59:18,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:59:18,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:59:18,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:59:18,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:59:18,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:59:18,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:59:18,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:59:18,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:59:18,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:59:18,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:59:18,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:59:18,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:59:18,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:59:18,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:59:18,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:59:18,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:59:18,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:59:18,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:59:18,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:59:18,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:59:18,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:59:18,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:59:18,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:59:18,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:59:18,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:59:18,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:59:18,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:59:18,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:59:18,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:59:18,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:59:18,390 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:59:18,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:59:18,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:59:18,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:59:18,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:59:18,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:59:18,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:59:18,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:59:18,397 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:59:18,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:59:18,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:59:18,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:59:18,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:59:18,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:59:18,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:59:18,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:59:18,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:59:18,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:59:18,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:59:18,399 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:59:18,399 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:59:18,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:59:18,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2022-07-21 14:59:18,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:59:18,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:59:18,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:59:18,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:59:18,712 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:59:18,718 INFO L432 ainManager$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-3com-3c59x.cil.i [2022-07-21 14:59:18,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081403389/1cf8deaf8c4d4c6cbf900236ea0529e3/FLAGf0aee5984 [2022-07-21 14:59:19,543 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:59:19,544 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-3com-3c59x.cil.i [2022-07-21 14:59:19,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081403389/1cf8deaf8c4d4c6cbf900236ea0529e3/FLAGf0aee5984 [2022-07-21 14:59:19,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/081403389/1cf8deaf8c4d4c6cbf900236ea0529e3 [2022-07-21 14:59:19,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:59:19,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:59:19,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:59:19,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:59:19,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:59:19,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:59:19" (1/1) ... [2022-07-21 14:59:19,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bace6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:19, skipping insertion in model container [2022-07-21 14:59:19,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:59:19" (1/1) ... [2022-07-21 14:59:19,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:59:19,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:59:23,749 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-3com-3c59x.cil.i[462950,462963] [2022-07-21 14:59:23,751 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-3com-3c59x.cil.i[463119,463132] [2022-07-21 14:59:23,752 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-3com-3c59x.cil.i[463286,463299] [2022-07-21 14:59:23,752 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-3com-3c59x.cil.i[463454,463467] [2022-07-21 14:59:23,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:59:23,876 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:59:24,346 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-3com-3c59x.cil.i[462950,462963] [2022-07-21 14:59:24,347 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-3com-3c59x.cil.i[463119,463132] [2022-07-21 14:59:24,357 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-3com-3c59x.cil.i[463286,463299] [2022-07-21 14:59:24,358 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-3com-3c59x.cil.i[463454,463467] [2022-07-21 14:59:24,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:59:24,618 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:59:24,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24 WrapperNode [2022-07-21 14:59:24,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:59:24,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:59:24,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:59:24,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:59:24,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24" (1/1) ... [2022-07-21 14:59:24,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24" (1/1) ... [2022-07-21 14:59:25,120 INFO L137 Inliner]: procedures = 566, calls = 4377, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 9244 [2022-07-21 14:59:25,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:59:25,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:59:25,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:59:25,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:59:25,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24" (1/1) ... [2022-07-21 14:59:25,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24" (1/1) ... [2022-07-21 14:59:25,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24" (1/1) ... [2022-07-21 14:59:25,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24" (1/1) ... [2022-07-21 14:59:25,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24" (1/1) ... [2022-07-21 14:59:25,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24" (1/1) ... [2022-07-21 14:59:25,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24" (1/1) ... [2022-07-21 14:59:25,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:59:25,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:59:25,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:59:25,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:59:25,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24" (1/1) ... [2022-07-21 14:59:25,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:59:25,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:59:25,617 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) [2022-07-21 14:59:25,627 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 [2022-07-21 14:59:25,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 14:59:25,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 14:59:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:59:25,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:59:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-21 14:59:25,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-21 14:59:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-21 14:59:25,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-21 14:59:25,711 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-07-21 14:59:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-07-21 14:59:25,712 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:59:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:59:25,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-07-21 14:59:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-07-21 14:59:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:59:25,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:59:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 14:59:25,713 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 14:59:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-07-21 14:59:25,713 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-07-21 14:59:25,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2022-07-21 14:59:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2022-07-21 14:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-07-21 14:59:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-07-21 14:59:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 14:59:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 14:59:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-21 14:59:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-21 14:59:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-07-21 14:59:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-07-21 14:59:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:59:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:59:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-21 14:59:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-21 14:59:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-21 14:59:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-21 14:59:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-07-21 14:59:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-07-21 14:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-21 14:59:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-21 14:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-07-21 14:59:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-07-21 14:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 14:59:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 14:59:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 14:59:25,718 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 14:59:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-21 14:59:25,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-21 14:59:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-21 14:59:25,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-21 14:59:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-07-21 14:59:25,719 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-07-21 14:59:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:59:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:59:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:59:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:59:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 14:59:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 14:59:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-21 14:59:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-21 14:59:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 14:59:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 14:59:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-21 14:59:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-21 14:59:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:59:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:59:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:59:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:59:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-21 14:59:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-21 14:59:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 14:59:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 14:59:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 14:59:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 14:59:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:59:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-07-21 14:59:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-07-21 14:59:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-21 14:59:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-21 14:59:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:59:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:59:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 14:59:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 14:59:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:59:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-07-21 14:59:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-07-21 14:59:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-21 14:59:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-21 14:59:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-07-21 14:59:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-07-21 14:59:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:59:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:59:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-21 14:59:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-21 14:59:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 14:59:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 14:59:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:59:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:59:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:59:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:59:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-07-21 14:59:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-07-21 14:59:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-21 14:59:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-21 14:59:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:59:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:59:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:59:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:59:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:59:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:59:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:59:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:59:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:59:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:59:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-07-21 14:59:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-07-21 14:59:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-21 14:59:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-21 14:59:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-21 14:59:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-21 14:59:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 14:59:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 14:59:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-07-21 14:59:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-07-21 14:59:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:59:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:59:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-07-21 14:59:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-07-21 14:59:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 14:59:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 14:59:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:59:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:59:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:59:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-21 14:59:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-21 14:59:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:59:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:59:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:59:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:59:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-21 14:59:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-21 14:59:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-21 14:59:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-21 14:59:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:59:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:59:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:59:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:59:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:59:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:59:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-21 14:59:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-21 14:59:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:59:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:59:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-21 14:59:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-21 14:59:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:59:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:59:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-07-21 14:59:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-07-21 14:59:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 14:59:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 14:59:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-07-21 14:59:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-07-21 14:59:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-21 14:59:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-21 14:59:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-21 14:59:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-21 14:59:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-07-21 14:59:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-07-21 14:59:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-21 14:59:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-07-21 14:59:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 14:59:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 14:59:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-07-21 14:59:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-07-21 14:59:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:59:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:59:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 14:59:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 14:59:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-07-21 14:59:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-07-21 14:59:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:59:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:59:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-21 14:59:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-21 14:59:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-07-21 14:59:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-07-21 14:59:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-21 14:59:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-21 14:59:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-07-21 14:59:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-07-21 14:59:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-21 14:59:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-21 14:59:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-07-21 14:59:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-07-21 14:59:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-07-21 14:59:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-07-21 14:59:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-21 14:59:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-21 14:59:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:59:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:59:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-07-21 14:59:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-07-21 14:59:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:59:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:59:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:59:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:59:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 14:59:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 14:59:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:59:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:59:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-21 14:59:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-21 14:59:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 14:59:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 14:59:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:59:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:59:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-21 14:59:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-21 14:59:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 14:59:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 14:59:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 14:59:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 14:59:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:59:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-21 14:59:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-21 14:59:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:59:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:59:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:59:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-07-21 14:59:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-07-21 14:59:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-07-21 14:59:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-07-21 14:59:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2022-07-21 14:59:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2022-07-21 14:59:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:59:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-21 14:59:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-21 14:59:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-21 14:59:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-21 14:59:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:59:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:59:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:59:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:59:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-21 14:59:25,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-21 14:59:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2022-07-21 14:59:25,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2022-07-21 14:59:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-21 14:59:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-21 14:59:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-21 14:59:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-21 14:59:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2022-07-21 14:59:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2022-07-21 14:59:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-07-21 14:59:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-07-21 14:59:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-07-21 14:59:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-07-21 14:59:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-21 14:59:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-21 14:59:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 14:59:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 14:59:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-07-21 14:59:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-07-21 14:59:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:59:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:59:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:59:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:59:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 14:59:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 14:59:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 14:59:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 14:59:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-07-21 14:59:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-07-21 14:59:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:59:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-07-21 14:59:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-07-21 14:59:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-21 14:59:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-21 14:59:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-21 14:59:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-21 14:59:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:59:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:59:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-07-21 14:59:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-07-21 14:59:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-07-21 14:59:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-07-21 14:59:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-21 14:59:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-21 14:59:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2022-07-21 14:59:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2022-07-21 14:59:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2022-07-21 14:59:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2022-07-21 14:59:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-21 14:59:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-21 14:59:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2022-07-21 14:59:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2022-07-21 14:59:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 14:59:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 14:59:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-07-21 14:59:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-07-21 14:59:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-07-21 14:59:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-07-21 14:59:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:59:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:59:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 14:59:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 14:59:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 14:59:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 14:59:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 14:59:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 14:59:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-21 14:59:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-21 14:59:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 14:59:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 14:59:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:59:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:59:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:59:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 14:59:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 14:59:26,790 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:59:26,794 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:59:28,086 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:59:32,324 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:59:32,456 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:59:32,483 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:59:32,483 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 14:59:32,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:59:32 BoogieIcfgContainer [2022-07-21 14:59:32,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:59:32,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:59:32,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:59:32,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:59:32,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:59:19" (1/3) ... [2022-07-21 14:59:32,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ea2817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:59:32, skipping insertion in model container [2022-07-21 14:59:32,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:24" (2/3) ... [2022-07-21 14:59:32,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ea2817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:59:32, skipping insertion in model container [2022-07-21 14:59:32,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:59:32" (3/3) ... [2022-07-21 14:59:32,496 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-21 14:59:32,508 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:59:32,509 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 14:59:32,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:59:32,600 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@64b37c4c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@244f8a0f [2022-07-21 14:59:32,600 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 14:59:32,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 3234 states, 2279 states have (on average 1.372093023255814) internal successors, (3127), 2350 states have internal predecessors, (3127), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) [2022-07-21 14:59:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-21 14:59:32,630 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:32,631 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:59:32,632 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)] === [2022-07-21 14:59:32,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:32,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1855056052, now seen corresponding path program 1 times [2022-07-21 14:59:32,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:59:32,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718860147] [2022-07-21 14:59:32,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:32,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:59:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:59:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:59:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:59:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:59:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:59:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:59:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:59:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:59:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:59:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:59:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:59:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:59:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:59:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:59:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:59:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:59:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:59:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 14:59:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 14:59:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-21 14:59:33,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:59:33,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718860147] [2022-07-21 14:59:33,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718860147] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:33,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:33,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:59:33,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584555608] [2022-07-21 14:59:33,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:33,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:59:33,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:59:33,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:59:33,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:59:33,754 INFO L87 Difference]: Start difference. First operand has 3234 states, 2279 states have (on average 1.372093023255814) internal successors, (3127), 2350 states have internal predecessors, (3127), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 14:59:39,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:39,705 INFO L93 Difference]: Finished difference Result 9552 states and 14492 transitions. [2022-07-21 14:59:39,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:59:39,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 215 [2022-07-21 14:59:39,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:39,768 INFO L225 Difference]: With dead ends: 9552 [2022-07-21 14:59:39,768 INFO L226 Difference]: Without dead ends: 6344 [2022-07-21 14:59:39,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:59:39,799 INFO L413 NwaCegarLoop]: 4941 mSDtfsCounter, 5214 mSDsluCounter, 5200 mSDsCounter, 0 mSdLazyCounter, 3224 mSolverCounterSat, 2189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5919 SdHoareTripleChecker+Valid, 10141 SdHoareTripleChecker+Invalid, 5413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2189 IncrementalHoareTripleChecker+Valid, 3224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:39,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5919 Valid, 10141 Invalid, 5413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2189 Valid, 3224 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-21 14:59:39,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6344 states. [2022-07-21 14:59:40,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6344 to 6281. [2022-07-21 14:59:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6281 states, 4455 states have (on average 1.342087542087542) internal successors, (5979), 4596 states have internal predecessors, (5979), 1525 states have call successors, (1525), 299 states have call predecessors, (1525), 298 states have return successors, (1521), 1491 states have call predecessors, (1521), 1521 states have call successors, (1521) [2022-07-21 14:59:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6281 states to 6281 states and 9025 transitions. [2022-07-21 14:59:40,176 INFO L78 Accepts]: Start accepts. Automaton has 6281 states and 9025 transitions. Word has length 215 [2022-07-21 14:59:40,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:40,180 INFO L495 AbstractCegarLoop]: Abstraction has 6281 states and 9025 transitions. [2022-07-21 14:59:40,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 14:59:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 6281 states and 9025 transitions. [2022-07-21 14:59:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-21 14:59:40,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:40,192 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:59:40,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:59:40,192 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)] === [2022-07-21 14:59:40,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:40,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1497569863, now seen corresponding path program 1 times [2022-07-21 14:59:40,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:59:40,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456381213] [2022-07-21 14:59:40,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:40,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:59:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:59:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:59:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:59:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:59:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:59:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:59:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:59:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:59:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:59:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:59:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:59:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:59:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:59:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:59:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:59:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:59:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:59:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 14:59:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 14:59:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:59:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-21 14:59:40,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:59:40,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456381213] [2022-07-21 14:59:40,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456381213] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:40,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:40,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:59:40,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352106479] [2022-07-21 14:59:40,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:40,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:59:40,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:59:40,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:59:40,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:59:40,941 INFO L87 Difference]: Start difference. First operand 6281 states and 9025 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 14:59:46,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:46,693 INFO L93 Difference]: Finished difference Result 18543 states and 26868 transitions. [2022-07-21 14:59:46,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:59:46,693 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 224 [2022-07-21 14:59:46,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:46,763 INFO L225 Difference]: With dead ends: 18543 [2022-07-21 14:59:46,763 INFO L226 Difference]: Without dead ends: 12301 [2022-07-21 14:59:46,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:59:46,799 INFO L413 NwaCegarLoop]: 4977 mSDtfsCounter, 5107 mSDsluCounter, 5271 mSDsCounter, 0 mSdLazyCounter, 3139 mSolverCounterSat, 2260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5752 SdHoareTripleChecker+Valid, 10248 SdHoareTripleChecker+Invalid, 5399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2260 IncrementalHoareTripleChecker+Valid, 3139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:46,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5752 Valid, 10248 Invalid, 5399 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2260 Valid, 3139 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-21 14:59:46,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12301 states. [2022-07-21 14:59:47,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12301 to 12164. [2022-07-21 14:59:47,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12164 states, 8649 states have (on average 1.3400393109029947) internal successors, (11590), 8920 states have internal predecessors, (11590), 2920 states have call successors, (2920), 592 states have call predecessors, (2920), 592 states have return successors, (3039), 2845 states have call predecessors, (3039), 2916 states have call successors, (3039) [2022-07-21 14:59:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12164 states to 12164 states and 17549 transitions. [2022-07-21 14:59:47,248 INFO L78 Accepts]: Start accepts. Automaton has 12164 states and 17549 transitions. Word has length 224 [2022-07-21 14:59:47,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:47,250 INFO L495 AbstractCegarLoop]: Abstraction has 12164 states and 17549 transitions. [2022-07-21 14:59:47,251 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 14:59:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 12164 states and 17549 transitions. [2022-07-21 14:59:47,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-21 14:59:47,257 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:47,257 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:59:47,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:59:47,257 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)] === [2022-07-21 14:59:47,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:47,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1622315303, now seen corresponding path program 1 times [2022-07-21 14:59:47,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:59:47,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34070271] [2022-07-21 14:59:47,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:47,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:59:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:59:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:59:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:59:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:59:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:59:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:59:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:59:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:59:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:59:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:59:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:59:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:59:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:59:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:59:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:59:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:59:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:59:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 14:59:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 14:59:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:59:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 14:59:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:47,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-21 14:59:47,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:59:47,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34070271] [2022-07-21 14:59:47,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34070271] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:47,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:47,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:59:47,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365855954] [2022-07-21 14:59:47,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:47,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:59:47,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:59:47,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:59:47,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:59:47,743 INFO L87 Difference]: Start difference. First operand 12164 states and 17549 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 14:59:52,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:52,907 INFO L93 Difference]: Finished difference Result 31609 states and 45624 transitions. [2022-07-21 14:59:52,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:59:52,908 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 236 [2022-07-21 14:59:52,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:53,012 INFO L225 Difference]: With dead ends: 31609 [2022-07-21 14:59:53,012 INFO L226 Difference]: Without dead ends: 19484 [2022-07-21 14:59:53,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:59:53,069 INFO L413 NwaCegarLoop]: 5437 mSDtfsCounter, 5064 mSDsluCounter, 5599 mSDsCounter, 0 mSdLazyCounter, 3280 mSolverCounterSat, 2163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5752 SdHoareTripleChecker+Valid, 11036 SdHoareTripleChecker+Invalid, 5443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2163 IncrementalHoareTripleChecker+Valid, 3280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:53,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5752 Valid, 11036 Invalid, 5443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2163 Valid, 3280 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-21 14:59:53,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19484 states. [2022-07-21 14:59:53,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19484 to 19265. [2022-07-21 14:59:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19265 states, 13652 states have (on average 1.3319660123058892) internal successors, (18184), 14079 states have internal predecessors, (18184), 4596 states have call successors, (4596), 1013 states have call predecessors, (4596), 1014 states have return successors, (4773), 4471 states have call predecessors, (4773), 4592 states have call successors, (4773) [2022-07-21 14:59:53,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19265 states to 19265 states and 27553 transitions. [2022-07-21 14:59:53,716 INFO L78 Accepts]: Start accepts. Automaton has 19265 states and 27553 transitions. Word has length 236 [2022-07-21 14:59:53,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:53,716 INFO L495 AbstractCegarLoop]: Abstraction has 19265 states and 27553 transitions. [2022-07-21 14:59:53,717 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 14:59:53,717 INFO L276 IsEmpty]: Start isEmpty. Operand 19265 states and 27553 transitions. [2022-07-21 14:59:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-21 14:59:53,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:53,721 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:59:53,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 14:59:53,721 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)] === [2022-07-21 14:59:53,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:53,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1270839542, now seen corresponding path program 1 times [2022-07-21 14:59:53,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:59:53,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484848966] [2022-07-21 14:59:53,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:53,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:59:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:59:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:59:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:59:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:59:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:59:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:59:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:59:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:59:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:59:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:59:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:59:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:59:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:59:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:59:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:59:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:59:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:59:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:59:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 14:59:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 14:59:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 14:59:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 14:59:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2022-07-21 14:59:54,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:59:54,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484848966] [2022-07-21 14:59:54,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484848966] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:54,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:54,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:59:54,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511152283] [2022-07-21 14:59:54,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:54,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:59:54,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:59:54,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:59:54,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:59:54,131 INFO L87 Difference]: Start difference. First operand 19265 states and 27553 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 14:59:59,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:59,380 INFO L93 Difference]: Finished difference Result 56775 states and 81470 transitions. [2022-07-21 14:59:59,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:59:59,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2022-07-21 14:59:59,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:59,519 INFO L225 Difference]: With dead ends: 56775 [2022-07-21 14:59:59,519 INFO L226 Difference]: Without dead ends: 37549 [2022-07-21 14:59:59,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:59:59,595 INFO L413 NwaCegarLoop]: 5871 mSDtfsCounter, 4728 mSDsluCounter, 5604 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 2017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5409 SdHoareTripleChecker+Valid, 11475 SdHoareTripleChecker+Invalid, 5356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2017 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:59,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5409 Valid, 11475 Invalid, 5356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2017 Valid, 3339 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-21 14:59:59,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37549 states. [2022-07-21 15:00:00,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37549 to 37134. [2022-07-21 15:00:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37134 states, 26282 states have (on average 1.3313674758389773) internal successors, (34991), 27128 states have internal predecessors, (34991), 8858 states have call successors, (8858), 1992 states have call predecessors, (8858), 1991 states have return successors, (9134), 8605 states have call predecessors, (9134), 8854 states have call successors, (9134) [2022-07-21 15:00:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37134 states to 37134 states and 52983 transitions. [2022-07-21 15:00:01,080 INFO L78 Accepts]: Start accepts. Automaton has 37134 states and 52983 transitions. Word has length 237 [2022-07-21 15:00:01,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:01,081 INFO L495 AbstractCegarLoop]: Abstraction has 37134 states and 52983 transitions. [2022-07-21 15:00:01,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 15:00:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 37134 states and 52983 transitions. [2022-07-21 15:00:01,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-21 15:00:01,086 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:01,086 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:00:01,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 15:00:01,086 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)] === [2022-07-21 15:00:01,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:01,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1405291788, now seen corresponding path program 1 times [2022-07-21 15:00:01,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:00:01,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995772544] [2022-07-21 15:00:01,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:01,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:00:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:00:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:00:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:00:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:00:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:00:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:00:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:00:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:00:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:00:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:00:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:00:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:00:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:00:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:00:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:00:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:00:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:00:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 15:00:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 15:00:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:00:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:00:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 15:00:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2022-07-21 15:00:01,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:00:01,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995772544] [2022-07-21 15:00:01,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995772544] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:01,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:01,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:00:01,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30078123] [2022-07-21 15:00:01,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:01,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:00:01,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:00:01,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:00:01,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:00:01,454 INFO L87 Difference]: Start difference. First operand 37134 states and 52983 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 15:00:07,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:07,390 INFO L93 Difference]: Finished difference Result 98446 states and 140298 transitions. [2022-07-21 15:00:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:00:07,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2022-07-21 15:00:07,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:07,637 INFO L225 Difference]: With dead ends: 98446 [2022-07-21 15:00:07,638 INFO L226 Difference]: Without dead ends: 61351 [2022-07-21 15:00:07,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:00:07,767 INFO L413 NwaCegarLoop]: 4882 mSDtfsCounter, 4789 mSDsluCounter, 5139 mSDsCounter, 0 mSdLazyCounter, 3219 mSolverCounterSat, 2172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5444 SdHoareTripleChecker+Valid, 10021 SdHoareTripleChecker+Invalid, 5391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2172 IncrementalHoareTripleChecker+Valid, 3219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:07,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5444 Valid, 10021 Invalid, 5391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2172 Valid, 3219 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-21 15:00:07,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61351 states. [2022-07-21 15:00:09,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61351 to 60626. [2022-07-21 15:00:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60626 states, 42774 states have (on average 1.3273250105204095) internal successors, (56775), 44102 states have internal predecessors, (56775), 14328 states have call successors, (14328), 3534 states have call predecessors, (14328), 3521 states have return successors, (14806), 13889 states have call predecessors, (14806), 14324 states have call successors, (14806) [2022-07-21 15:00:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60626 states to 60626 states and 85909 transitions. [2022-07-21 15:00:09,954 INFO L78 Accepts]: Start accepts. Automaton has 60626 states and 85909 transitions. Word has length 238 [2022-07-21 15:00:09,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:09,955 INFO L495 AbstractCegarLoop]: Abstraction has 60626 states and 85909 transitions. [2022-07-21 15:00:09,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 15:00:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 60626 states and 85909 transitions. [2022-07-21 15:00:09,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-21 15:00:09,961 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:09,961 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:00:09,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 15:00:09,962 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)] === [2022-07-21 15:00:09,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:09,962 INFO L85 PathProgramCache]: Analyzing trace with hash 425377854, now seen corresponding path program 1 times [2022-07-21 15:00:09,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:00:09,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172823342] [2022-07-21 15:00:09,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:09,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:00:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:00:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:00:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:00:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:00:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:00:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:00:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:00:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:00:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:00:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:00:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:00:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:00:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:00:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:00:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:00:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:00:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:00:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 15:00:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 15:00:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 15:00:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-21 15:00:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:00:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 15:00:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-21 15:00:10,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:00:10,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172823342] [2022-07-21 15:00:10,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172823342] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:10,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:10,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:00:10,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59499750] [2022-07-21 15:00:10,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:10,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:00:10,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:00:10,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:00:10,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:00:10,514 INFO L87 Difference]: Start difference. First operand 60626 states and 85909 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 15:00:16,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:16,996 INFO L93 Difference]: Finished difference Result 172482 states and 244801 transitions. [2022-07-21 15:00:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:00:16,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 262 [2022-07-21 15:00:16,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:17,408 INFO L225 Difference]: With dead ends: 172482 [2022-07-21 15:00:17,409 INFO L226 Difference]: Without dead ends: 111895 [2022-07-21 15:00:17,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:00:17,720 INFO L413 NwaCegarLoop]: 5496 mSDtfsCounter, 5066 mSDsluCounter, 5547 mSDsCounter, 0 mSdLazyCounter, 3263 mSolverCounterSat, 2131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5768 SdHoareTripleChecker+Valid, 11043 SdHoareTripleChecker+Invalid, 5394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 3263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:17,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5768 Valid, 11043 Invalid, 5394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2131 Valid, 3263 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 15:00:17,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111895 states. [2022-07-21 15:00:20,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111895 to 110577. [2022-07-21 15:00:20,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110577 states, 78066 states have (on average 1.3266338739015704) internal successors, (103565), 80520 states have internal predecessors, (103565), 25962 states have call successors, (25962), 6567 states have call predecessors, (25962), 6546 states have return successors, (26798), 25136 states have call predecessors, (26798), 25958 states have call successors, (26798) [2022-07-21 15:00:21,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110577 states to 110577 states and 156325 transitions. [2022-07-21 15:00:21,482 INFO L78 Accepts]: Start accepts. Automaton has 110577 states and 156325 transitions. Word has length 262 [2022-07-21 15:00:21,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:21,483 INFO L495 AbstractCegarLoop]: Abstraction has 110577 states and 156325 transitions. [2022-07-21 15:00:21,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 15:00:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 110577 states and 156325 transitions. [2022-07-21 15:00:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-21 15:00:21,487 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:21,487 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:00:21,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 15:00:21,487 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-07-21 15:00:21,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:21,488 INFO L85 PathProgramCache]: Analyzing trace with hash 2038930234, now seen corresponding path program 1 times [2022-07-21 15:00:21,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:00:21,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882240593] [2022-07-21 15:00:21,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:21,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:00:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:00:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:00:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:00:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:00:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:00:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:00:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:00:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:00:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:00:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:00:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:00:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:00:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:00:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:00:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:00:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:00:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:00:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 15:00:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 15:00:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 15:00:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 15:00:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 15:00:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 15:00:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-21 15:00:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 15:00:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2022-07-21 15:00:21,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:00:21,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882240593] [2022-07-21 15:00:21,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882240593] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:21,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:21,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:00:21,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930826888] [2022-07-21 15:00:21,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:21,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:00:21,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:00:21,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:00:21,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:00:21,948 INFO L87 Difference]: Start difference. First operand 110577 states and 156325 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 15:00:36,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:36,778 INFO L93 Difference]: Finished difference Result 444763 states and 630895 transitions. [2022-07-21 15:00:36,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:00:36,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 278 [2022-07-21 15:00:36,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:38,718 INFO L225 Difference]: With dead ends: 444763 [2022-07-21 15:00:38,718 INFO L226 Difference]: Without dead ends: 334344 [2022-07-21 15:00:39,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:00:39,135 INFO L413 NwaCegarLoop]: 6330 mSDtfsCounter, 9554 mSDsluCounter, 9001 mSDsCounter, 0 mSdLazyCounter, 7128 mSolverCounterSat, 3461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10776 SdHoareTripleChecker+Valid, 15331 SdHoareTripleChecker+Invalid, 10589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3461 IncrementalHoareTripleChecker+Valid, 7128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:39,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10776 Valid, 15331 Invalid, 10589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3461 Valid, 7128 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-07-21 15:00:39,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334344 states. [2022-07-21 15:00:49,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334344 to 330705. [2022-07-21 15:00:49,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330705 states, 233526 states have (on average 1.3267002389455564) internal successors, (309819), 240820 states have internal predecessors, (309819), 77626 states have call successors, (77626), 19659 states have call predecessors, (77626), 19550 states have return successors, (79966), 75166 states have call predecessors, (79966), 77622 states have call successors, (79966) [2022-07-21 15:00:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330705 states to 330705 states and 467411 transitions. [2022-07-21 15:00:51,982 INFO L78 Accepts]: Start accepts. Automaton has 330705 states and 467411 transitions. Word has length 278 [2022-07-21 15:00:51,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:51,983 INFO L495 AbstractCegarLoop]: Abstraction has 330705 states and 467411 transitions. [2022-07-21 15:00:51,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 15:00:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 330705 states and 467411 transitions. [2022-07-21 15:00:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-21 15:00:51,987 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:51,987 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:00:51,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 15:00:51,987 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-07-21 15:00:51,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:51,988 INFO L85 PathProgramCache]: Analyzing trace with hash 110657532, now seen corresponding path program 1 times [2022-07-21 15:00:51,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:00:51,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888104888] [2022-07-21 15:00:51,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:51,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:00:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:00:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:00:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:00:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:00:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:00:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:00:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:00:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:00:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:00:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:00:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:00:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:00:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:00:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:00:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:00:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:00:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:00:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 15:00:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 15:00:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 15:00:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 15:00:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 15:00:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:00:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 15:00:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-21 15:00:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 15:00:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2022-07-21 15:00:52,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:00:52,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888104888] [2022-07-21 15:00:52,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888104888] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:52,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:52,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:00:52,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123655712] [2022-07-21 15:00:52,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:52,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:00:52,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:00:52,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:00:52,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:00:52,376 INFO L87 Difference]: Start difference. First operand 330705 states and 467411 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27)