./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.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 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:36:41,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:36:41,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:36:41,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:36:41,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:36:41,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:36:41,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:36:41,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:36:41,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:36:41,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:36:41,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:36:41,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:36:41,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:36:41,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:36:41,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:36:41,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:36:41,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:36:41,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:36:41,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:36:41,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:36:41,451 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:36:41,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:36:41,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:36:41,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:36:41,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:36:41,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:36:41,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:36:41,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:36:41,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:36:41,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:36:41,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:36:41,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:36:41,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:36:41,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:36:41,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:36:41,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:36:41,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:36:41,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:36:41,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:36:41,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:36:41,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:36:41,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:36:41,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:36:41,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:36:41,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:36:41,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:36:41,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:36:41,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:36:41,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:36:41,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:36:41,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:36:41,511 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:36:41,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:36:41,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:36:41,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:36:41,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:36:41,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:36:41,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:36:41,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:36:41,514 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:36:41,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:36:41,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:36:41,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:36:41,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:36:41,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:36:41,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:36:41,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:36:41,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:36:41,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:36:41,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:36:41,516 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:36:41,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:36:41,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:36:41,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a [2022-07-23 02:36:41,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:36:41,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:36:41,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:36:41,816 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:36:41,817 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:36:41,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2022-07-23 02:36:41,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2643b67/24ce900d2ddd43d79624a2223cc8ac71/FLAG49e6b5b0d [2022-07-23 02:36:42,655 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:36:42,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2022-07-23 02:36:42,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2643b67/24ce900d2ddd43d79624a2223cc8ac71/FLAG49e6b5b0d [2022-07-23 02:36:42,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2643b67/24ce900d2ddd43d79624a2223cc8ac71 [2022-07-23 02:36:42,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:36:42,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:36:42,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:36:42,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:36:42,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:36:42,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:36:42" (1/1) ... [2022-07-23 02:36:42,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493ecf4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:42, skipping insertion in model container [2022-07-23 02:36:42,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:36:42" (1/1) ... [2022-07-23 02:36:42,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:36:42,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:36:46,084 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[331922,331935] [2022-07-23 02:36:46,087 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332091,332104] [2022-07-23 02:36:46,088 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332258,332271] [2022-07-23 02:36:46,088 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332426,332439] [2022-07-23 02:36:46,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:36:46,174 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:36:46,513 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[331922,331935] [2022-07-23 02:36:46,513 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332091,332104] [2022-07-23 02:36:46,514 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332258,332271] [2022-07-23 02:36:46,514 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332426,332439] [2022-07-23 02:36:46,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:36:46,726 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:36:46,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46 WrapperNode [2022-07-23 02:36:46,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:36:46,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:36:46,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:36:46,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:36:46,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46" (1/1) ... [2022-07-23 02:36:46,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46" (1/1) ... [2022-07-23 02:36:47,055 INFO L137 Inliner]: procedures = 451, calls = 2016, calls flagged for inlining = 220, calls inlined = 194, statements flattened = 4695 [2022-07-23 02:36:47,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:36:47,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:36:47,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:36:47,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:36:47,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46" (1/1) ... [2022-07-23 02:36:47,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46" (1/1) ... [2022-07-23 02:36:47,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46" (1/1) ... [2022-07-23 02:36:47,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46" (1/1) ... [2022-07-23 02:36:47,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46" (1/1) ... [2022-07-23 02:36:47,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46" (1/1) ... [2022-07-23 02:36:47,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46" (1/1) ... [2022-07-23 02:36:47,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:36:47,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:36:47,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:36:47,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:36:47,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46" (1/1) ... [2022-07-23 02:36:47,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:36:47,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:36:47,317 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) [2022-07-23 02:36:47,344 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 [2022-07-23 02:36:47,353 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-23 02:36:47,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-23 02:36:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:36:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:36:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:36:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:36:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_begin [2022-07-23 02:36:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_begin [2022-07-23 02:36:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 02:36:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 02:36:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:36:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:36:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:36:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:36:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:36:47,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:36:47,354 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:36:47,355 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:36:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 02:36:47,355 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 02:36:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-23 02:36:47,355 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-23 02:36:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2022-07-23 02:36:47,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2022-07-23 02:36:47,355 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 02:36:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 02:36:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:36:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:36:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-23 02:36:47,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:36:47,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:36:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:36:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:36:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:36:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:36:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 02:36:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 02:36:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:36:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:36:47,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:36:47,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:36:47,358 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 02:36:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 02:36:47,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:36:47,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:36:47,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:36:47,358 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:36:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:36:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 02:36:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:36:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:36:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 02:36:47,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 02:36:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 02:36:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:36:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:36:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure epic_open [2022-07-23 02:36:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_open [2022-07-23 02:36:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 02:36:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-23 02:36:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-23 02:36:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:36:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:36:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:36:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:36:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:36:47,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:36:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:36:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:36:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:36:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:36:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 02:36:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 02:36:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:36:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:36:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure epic_restart [2022-07-23 02:36:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_restart [2022-07-23 02:36:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2022-07-23 02:36:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2022-07-23 02:36:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:36:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:36:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:36:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:36:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:36:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:36:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:36:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:36:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-07-23 02:36:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-07-23 02:36:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:36:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:36:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:36:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:36:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:36:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-23 02:36:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-23 02:36:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:36:47,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:36:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_epic_private [2022-07-23 02:36:47,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_epic_private [2022-07-23 02:36:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-23 02:36:47,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-23 02:36:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 02:36:47,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 02:36:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 02:36:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 02:36:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-23 02:36:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-23 02:36:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:36:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:36:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure epic_remove_one [2022-07-23 02:36:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_remove_one [2022-07-23 02:36:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 02:36:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 02:36:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:36:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:36:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_napi_lock_of_epic_private [2022-07-23 02:36:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_napi_lock_of_epic_private [2022-07-23 02:36:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:36:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:36:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-23 02:36:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-23 02:36:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:36:47,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:36:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:36:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:36:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:36:47,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:36:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:36:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:36:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure epic_rx [2022-07-23 02:36:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_rx [2022-07-23 02:36:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_complete [2022-07-23 02:36:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_complete [2022-07-23 02:36:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:36:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:36:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_napi_lock_of_epic_private [2022-07-23 02:36:47,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_napi_lock_of_epic_private [2022-07-23 02:36:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:36:47,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:36:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:36:47,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:36:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:36:47,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:36:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 02:36:47,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 02:36:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:36:47,377 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:36:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:36:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2022-07-23 02:36:47,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2022-07-23 02:36:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure epic_resume [2022-07-23 02:36:47,378 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_resume [2022-07-23 02:36:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:36:47,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:36:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:36:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure epic_tx_timeout [2022-07-23 02:36:47,378 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_tx_timeout [2022-07-23 02:36:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 02:36:47,379 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 02:36:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:36:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:36:47,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:36:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:36:47,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:36:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 02:36:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 02:36:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:36:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:36:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:36:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:36:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure epic_close [2022-07-23 02:36:47,381 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_close [2022-07-23 02:36:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:36:47,381 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:36:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 02:36:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:36:47,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:36:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:36:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:36:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_epic_private [2022-07-23 02:36:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_epic_private [2022-07-23 02:36:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:36:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:36:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 02:36:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 02:36:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 02:36:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:36:47,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:36:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure epic_pause [2022-07-23 02:36:47,383 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_pause [2022-07-23 02:36:48,101 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:36:48,107 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:36:48,601 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:36:50,850 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:36:50,917 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:36:50,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:36:50,934 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 02:36:50,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:36:50 BoogieIcfgContainer [2022-07-23 02:36:50,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:36:50,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:36:50,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:36:50,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:36:50,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:36:42" (1/3) ... [2022-07-23 02:36:50,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719c5e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:36:50, skipping insertion in model container [2022-07-23 02:36:50,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:46" (2/3) ... [2022-07-23 02:36:50,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719c5e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:36:50, skipping insertion in model container [2022-07-23 02:36:50,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:36:50" (3/3) ... [2022-07-23 02:36:50,948 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2022-07-23 02:36:50,963 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:36:50,963 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 02:36:51,042 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:36:51,048 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@28a36772, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@14f1ed15 [2022-07-23 02:36:51,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 02:36:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 1716 states, 1186 states have (on average 1.3010118043844856) internal successors, (1543), 1220 states have internal predecessors, (1543), 441 states have call successors, (441), 87 states have call predecessors, (441), 86 states have return successors, (435), 430 states have call predecessors, (435), 435 states have call successors, (435) [2022-07-23 02:36:51,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-23 02:36:51,083 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:36:51,084 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:36:51,084 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)] === [2022-07-23 02:36:51,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:36:51,089 INFO L85 PathProgramCache]: Analyzing trace with hash 314341586, now seen corresponding path program 1 times [2022-07-23 02:36:51,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:36:51,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566490307] [2022-07-23 02:36:51,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:36:51,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:36:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:36:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:36:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:36:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:36:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:36:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:36:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:36:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:36:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:36:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:36:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 02:36:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-23 02:36:51,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:36:51,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566490307] [2022-07-23 02:36:51,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566490307] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:36:51,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:36:51,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:36:51,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86083546] [2022-07-23 02:36:51,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:36:51,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:36:51,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:36:51,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:36:51,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:36:51,977 INFO L87 Difference]: Start difference. First operand has 1716 states, 1186 states have (on average 1.3010118043844856) internal successors, (1543), 1220 states have internal predecessors, (1543), 441 states have call successors, (441), 87 states have call predecessors, (441), 86 states have return successors, (435), 430 states have call predecessors, (435), 435 states have call successors, (435) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 02:36:55,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:36:55,916 INFO L93 Difference]: Finished difference Result 5035 states and 7251 transitions. [2022-07-23 02:36:55,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:36:55,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2022-07-23 02:36:55,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:36:55,958 INFO L225 Difference]: With dead ends: 5035 [2022-07-23 02:36:55,958 INFO L226 Difference]: Without dead ends: 3332 [2022-07-23 02:36:55,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:36:55,980 INFO L413 NwaCegarLoop]: 2603 mSDtfsCounter, 2683 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 1100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3064 SdHoareTripleChecker+Valid, 5128 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1100 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:36:55,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3064 Valid, 5128 Invalid, 2864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1100 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-23 02:36:56,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2022-07-23 02:36:56,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 3300. [2022-07-23 02:36:56,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 2301 states have (on average 1.2759669708822252) internal successors, (2936), 2368 states have internal predecessors, (2936), 828 states have call successors, (828), 169 states have call predecessors, (828), 168 states have return successors, (824), 814 states have call predecessors, (824), 824 states have call successors, (824) [2022-07-23 02:36:56,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4588 transitions. [2022-07-23 02:36:56,226 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4588 transitions. Word has length 127 [2022-07-23 02:36:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:36:56,228 INFO L495 AbstractCegarLoop]: Abstraction has 3300 states and 4588 transitions. [2022-07-23 02:36:56,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 02:36:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4588 transitions. [2022-07-23 02:36:56,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-23 02:36:56,233 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:36:56,233 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:36:56,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 02:36:56,234 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)] === [2022-07-23 02:36:56,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:36:56,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2030801047, now seen corresponding path program 1 times [2022-07-23 02:36:56,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:36:56,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581935497] [2022-07-23 02:36:56,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:36:56,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:36:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:36:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:36:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:36:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:36:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:36:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:36:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:36:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:36:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:36:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:36:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:36:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:36:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:56,592 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-23 02:36:56,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:36:56,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581935497] [2022-07-23 02:36:56,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581935497] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:36:56,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:36:56,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:36:56,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536352554] [2022-07-23 02:36:56,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:36:56,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:36:56,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:36:56,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:36:56,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:36:56,601 INFO L87 Difference]: Start difference. First operand 3300 states and 4588 transitions. 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 02:37:00,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:00,034 INFO L93 Difference]: Finished difference Result 9372 states and 13067 transitions. [2022-07-23 02:37:00,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:37:00,035 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 136 [2022-07-23 02:37:00,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:00,091 INFO L225 Difference]: With dead ends: 9372 [2022-07-23 02:37:00,092 INFO L226 Difference]: Without dead ends: 6095 [2022-07-23 02:37:00,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:37:00,117 INFO L413 NwaCegarLoop]: 2554 mSDtfsCounter, 2353 mSDsluCounter, 2483 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 1083 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 5037 SdHoareTripleChecker+Invalid, 2845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1083 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:00,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 5037 Invalid, 2845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1083 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-23 02:37:00,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6095 states. [2022-07-23 02:37:00,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6095 to 6013. [2022-07-23 02:37:00,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6013 states, 4176 states have (on average 1.2775383141762453) internal successors, (5335), 4304 states have internal predecessors, (5335), 1515 states have call successors, (1515), 320 states have call predecessors, (1515), 319 states have return successors, (1515), 1484 states have call predecessors, (1515), 1511 states have call successors, (1515) [2022-07-23 02:37:00,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6013 states to 6013 states and 8365 transitions. [2022-07-23 02:37:00,446 INFO L78 Accepts]: Start accepts. Automaton has 6013 states and 8365 transitions. Word has length 136 [2022-07-23 02:37:00,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:00,450 INFO L495 AbstractCegarLoop]: Abstraction has 6013 states and 8365 transitions. [2022-07-23 02:37:00,450 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 02:37:00,450 INFO L276 IsEmpty]: Start isEmpty. Operand 6013 states and 8365 transitions. [2022-07-23 02:37:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-23 02:37:00,456 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:00,456 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:37:00,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 02:37:00,456 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)] === [2022-07-23 02:37:00,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:00,457 INFO L85 PathProgramCache]: Analyzing trace with hash 887600161, now seen corresponding path program 1 times [2022-07-23 02:37:00,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:00,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415582325] [2022-07-23 02:37:00,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:00,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:37:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:37:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:37:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 02:37:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:00,873 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-23 02:37:00,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:00,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415582325] [2022-07-23 02:37:00,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415582325] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:00,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:00,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:37:00,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464401824] [2022-07-23 02:37:00,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:00,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:37:00,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:00,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:37:00,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:37:00,877 INFO L87 Difference]: Start difference. First operand 6013 states and 8365 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-23 02:37:04,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:04,378 INFO L93 Difference]: Finished difference Result 17557 states and 24466 transitions. [2022-07-23 02:37:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:37:04,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 142 [2022-07-23 02:37:04,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:04,450 INFO L225 Difference]: With dead ends: 17557 [2022-07-23 02:37:04,451 INFO L226 Difference]: Without dead ends: 11567 [2022-07-23 02:37:04,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:37:04,481 INFO L413 NwaCegarLoop]: 2725 mSDtfsCounter, 2566 mSDsluCounter, 2571 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 1074 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 5296 SdHoareTripleChecker+Invalid, 2795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1074 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:04,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 5296 Invalid, 2795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1074 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-23 02:37:04,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11567 states. [2022-07-23 02:37:04,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11567 to 11425. [2022-07-23 02:37:04,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11425 states, 7954 states have (on average 1.2777219009303495) internal successors, (10163), 8198 states have internal predecessors, (10163), 2855 states have call successors, (2855), 622 states have call predecessors, (2855), 613 states have return successors, (2867), 2776 states have call predecessors, (2867), 2851 states have call successors, (2867) [2022-07-23 02:37:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11425 states to 11425 states and 15885 transitions. [2022-07-23 02:37:05,006 INFO L78 Accepts]: Start accepts. Automaton has 11425 states and 15885 transitions. Word has length 142 [2022-07-23 02:37:05,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:05,008 INFO L495 AbstractCegarLoop]: Abstraction has 11425 states and 15885 transitions. [2022-07-23 02:37:05,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-23 02:37:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 11425 states and 15885 transitions. [2022-07-23 02:37:05,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-23 02:37:05,017 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:05,018 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2022-07-23 02:37:05,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 02:37:05,018 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2022-07-23 02:37:05,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:05,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1482421771, now seen corresponding path program 1 times [2022-07-23 02:37:05,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:05,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190716945] [2022-07-23 02:37:05,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:05,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:37:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:05,528 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-07-23 02:37:05,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:05,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190716945] [2022-07-23 02:37:05,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190716945] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:05,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:05,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:37:05,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371839001] [2022-07-23 02:37:05,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:05,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:37:05,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:05,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:37:05,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:37:05,532 INFO L87 Difference]: Start difference. First operand 11425 states and 15885 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-23 02:37:09,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:09,392 INFO L93 Difference]: Finished difference Result 23037 states and 32075 transitions. [2022-07-23 02:37:09,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:37:09,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 183 [2022-07-23 02:37:09,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:09,536 INFO L225 Difference]: With dead ends: 23037 [2022-07-23 02:37:09,536 INFO L226 Difference]: Without dead ends: 17169 [2022-07-23 02:37:09,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:37:09,573 INFO L413 NwaCegarLoop]: 4388 mSDtfsCounter, 2222 mSDsluCounter, 3516 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2597 SdHoareTripleChecker+Valid, 7904 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:09,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2597 Valid, 7904 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [697 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-23 02:37:09,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17169 states. [2022-07-23 02:37:10,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17169 to 17003. [2022-07-23 02:37:10,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17003 states, 11847 states have (on average 1.2779606651472948) internal successors, (15140), 12206 states have internal predecessors, (15140), 4236 states have call successors, (4236), 930 states have call predecessors, (4236), 917 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-23 02:37:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17003 states to 17003 states and 23632 transitions. [2022-07-23 02:37:10,375 INFO L78 Accepts]: Start accepts. Automaton has 17003 states and 23632 transitions. Word has length 183 [2022-07-23 02:37:10,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:10,376 INFO L495 AbstractCegarLoop]: Abstraction has 17003 states and 23632 transitions. [2022-07-23 02:37:10,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-23 02:37:10,376 INFO L276 IsEmpty]: Start isEmpty. Operand 17003 states and 23632 transitions. [2022-07-23 02:37:10,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-23 02:37:10,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:10,387 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2022-07-23 02:37:10,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 02:37:10,387 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-07-23 02:37:10,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:10,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1622970381, now seen corresponding path program 1 times [2022-07-23 02:37:10,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:10,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235192575] [2022-07-23 02:37:10,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:10,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:37:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-07-23 02:37:10,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:10,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235192575] [2022-07-23 02:37:10,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235192575] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:10,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:10,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:37:10,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205347502] [2022-07-23 02:37:10,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:10,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:37:10,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:10,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:37:10,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:37:10,909 INFO L87 Difference]: Start difference. First operand 17003 states and 23632 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 02:37:13,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:13,955 INFO L93 Difference]: Finished difference Result 17171 states and 23916 transitions. [2022-07-23 02:37:13,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:37:13,956 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 183 [2022-07-23 02:37:13,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:14,199 INFO L225 Difference]: With dead ends: 17171 [2022-07-23 02:37:14,200 INFO L226 Difference]: Without dead ends: 17169 [2022-07-23 02:37:14,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:14,213 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 2292 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 2966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 731 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:14,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2584 Valid, 6275 Invalid, 2966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [731 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-23 02:37:14,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17169 states. [2022-07-23 02:37:14,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17169 to 17007. [2022-07-23 02:37:14,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17007 states, 11850 states have (on average 1.2778902953586497) internal successors, (15143), 12209 states have internal predecessors, (15143), 4236 states have call successors, (4236), 931 states have call predecessors, (4236), 918 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-23 02:37:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17007 states to 17007 states and 23635 transitions. [2022-07-23 02:37:15,022 INFO L78 Accepts]: Start accepts. Automaton has 17007 states and 23635 transitions. Word has length 183 [2022-07-23 02:37:15,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:15,023 INFO L495 AbstractCegarLoop]: Abstraction has 17007 states and 23635 transitions. [2022-07-23 02:37:15,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 02:37:15,024 INFO L276 IsEmpty]: Start isEmpty. Operand 17007 states and 23635 transitions. [2022-07-23 02:37:15,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-23 02:37:15,031 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:15,032 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 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] [2022-07-23 02:37:15,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 02:37:15,032 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-07-23 02:37:15,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:15,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1092258744, now seen corresponding path program 1 times [2022-07-23 02:37:15,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:15,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520300143] [2022-07-23 02:37:15,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:15,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:37:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:37:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-07-23 02:37:15,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:15,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520300143] [2022-07-23 02:37:15,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520300143] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:15,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:15,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:37:15,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711951310] [2022-07-23 02:37:15,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:15,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:37:15,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:15,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:37:15,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:37:15,533 INFO L87 Difference]: Start difference. First operand 17007 states and 23635 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-23 02:37:18,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:18,576 INFO L93 Difference]: Finished difference Result 17175 states and 23919 transitions. [2022-07-23 02:37:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:37:18,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 188 [2022-07-23 02:37:18,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:18,736 INFO L225 Difference]: With dead ends: 17175 [2022-07-23 02:37:18,737 INFO L226 Difference]: Without dead ends: 17173 [2022-07-23 02:37:18,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:18,748 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2284 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 2965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 730 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:18,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6286 Invalid, 2965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [730 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-23 02:37:18,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17173 states. [2022-07-23 02:37:19,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17173 to 17011. [2022-07-23 02:37:19,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17011 states, 11853 states have (on average 1.2778199611912595) internal successors, (15146), 12212 states have internal predecessors, (15146), 4236 states have call successors, (4236), 932 states have call predecessors, (4236), 919 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-23 02:37:19,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17011 states to 17011 states and 23638 transitions. [2022-07-23 02:37:19,506 INFO L78 Accepts]: Start accepts. Automaton has 17011 states and 23638 transitions. Word has length 188 [2022-07-23 02:37:19,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:19,508 INFO L495 AbstractCegarLoop]: Abstraction has 17011 states and 23638 transitions. [2022-07-23 02:37:19,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-23 02:37:19,508 INFO L276 IsEmpty]: Start isEmpty. Operand 17011 states and 23638 transitions. [2022-07-23 02:37:19,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-23 02:37:19,515 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:19,515 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 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] [2022-07-23 02:37:19,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 02:37:19,516 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)] === [2022-07-23 02:37:19,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:19,516 INFO L85 PathProgramCache]: Analyzing trace with hash -2027210067, now seen corresponding path program 1 times [2022-07-23 02:37:19,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:19,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917472137] [2022-07-23 02:37:19,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:19,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:37:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:37:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 02:37:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2022-07-23 02:37:19,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:19,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917472137] [2022-07-23 02:37:19,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917472137] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:19,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:19,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:37:19,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42787161] [2022-07-23 02:37:19,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:19,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:37:19,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:19,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:37:19,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:37:19,967 INFO L87 Difference]: Start difference. First operand 17011 states and 23638 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 02:37:22,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:22,545 INFO L93 Difference]: Finished difference Result 17179 states and 23922 transitions. [2022-07-23 02:37:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:37:22,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 193 [2022-07-23 02:37:22,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:22,632 INFO L225 Difference]: With dead ends: 17179 [2022-07-23 02:37:22,633 INFO L226 Difference]: Without dead ends: 17177 [2022-07-23 02:37:22,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:22,650 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2284 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 729 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 2964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:22,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6286 Invalid, 2964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [729 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-23 02:37:22,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17177 states. [2022-07-23 02:37:23,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17177 to 17015. [2022-07-23 02:37:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17015 states, 11856 states have (on average 1.2777496626180838) internal successors, (15149), 12215 states have internal predecessors, (15149), 4236 states have call successors, (4236), 933 states have call predecessors, (4236), 920 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-23 02:37:23,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17015 states to 17015 states and 23641 transitions. [2022-07-23 02:37:23,491 INFO L78 Accepts]: Start accepts. Automaton has 17015 states and 23641 transitions. Word has length 193 [2022-07-23 02:37:23,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:23,491 INFO L495 AbstractCegarLoop]: Abstraction has 17015 states and 23641 transitions. [2022-07-23 02:37:23,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 02:37:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 17015 states and 23641 transitions. [2022-07-23 02:37:23,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-23 02:37:23,500 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:23,500 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 3, 3, 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] [2022-07-23 02:37:23,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 02:37:23,501 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)] === [2022-07-23 02:37:23,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:23,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1450199562, now seen corresponding path program 1 times [2022-07-23 02:37:23,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:23,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717324449] [2022-07-23 02:37:23,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:23,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:37:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 02:37:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:37:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 02:37:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 02:37:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:37:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-23 02:37:23,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:23,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717324449] [2022-07-23 02:37:23,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717324449] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:23,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:23,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:37:23,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103632187] [2022-07-23 02:37:23,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:23,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:37:23,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:23,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:37:23,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:37:23,891 INFO L87 Difference]: Start difference. First operand 17015 states and 23641 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:37:29,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:29,842 INFO L93 Difference]: Finished difference Result 34306 states and 47724 transitions. [2022-07-23 02:37:29,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 02:37:29,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 4 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 210 [2022-07-23 02:37:29,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:29,967 INFO L225 Difference]: With dead ends: 34306 [2022-07-23 02:37:29,967 INFO L226 Difference]: Without dead ends: 22848 [2022-07-23 02:37:30,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:37:30,153 INFO L413 NwaCegarLoop]: 4116 mSDtfsCounter, 2893 mSDsluCounter, 3254 mSDsCounter, 0 mSdLazyCounter, 4009 mSolverCounterSat, 1917 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3204 SdHoareTripleChecker+Valid, 7370 SdHoareTripleChecker+Invalid, 5926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1917 IncrementalHoareTripleChecker+Valid, 4009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:30,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3204 Valid, 7370 Invalid, 5926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1917 Valid, 4009 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-23 02:37:30,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22848 states. [2022-07-23 02:37:31,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22848 to 22597. [2022-07-23 02:37:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22597 states, 15753 states have (on average 1.2778518377451913) internal successors, (20130), 16227 states have internal predecessors, (20130), 5617 states have call successors, (5617), 1241 states have call predecessors, (5617), 1224 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-23 02:37:31,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22597 states to 22597 states and 31392 transitions. [2022-07-23 02:37:31,391 INFO L78 Accepts]: Start accepts. Automaton has 22597 states and 31392 transitions. Word has length 210 [2022-07-23 02:37:31,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:31,392 INFO L495 AbstractCegarLoop]: Abstraction has 22597 states and 31392 transitions. [2022-07-23 02:37:31,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:37:31,392 INFO L276 IsEmpty]: Start isEmpty. Operand 22597 states and 31392 transitions. [2022-07-23 02:37:31,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-07-23 02:37:31,401 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:31,402 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 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] [2022-07-23 02:37:31,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 02:37:31,402 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-07-23 02:37:31,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:31,403 INFO L85 PathProgramCache]: Analyzing trace with hash 411546776, now seen corresponding path program 1 times [2022-07-23 02:37:31,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:31,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281421722] [2022-07-23 02:37:31,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:31,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:37:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:37:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 02:37:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:37:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-07-23 02:37:31,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:31,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281421722] [2022-07-23 02:37:31,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281421722] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:31,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:31,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:37:31,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37224986] [2022-07-23 02:37:31,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:31,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:37:31,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:31,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:37:31,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:37:31,829 INFO L87 Difference]: Start difference. First operand 22597 states and 31392 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 02:37:34,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:34,532 INFO L93 Difference]: Finished difference Result 22819 states and 31766 transitions. [2022-07-23 02:37:34,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:37:34,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 198 [2022-07-23 02:37:34,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:34,626 INFO L225 Difference]: With dead ends: 22819 [2022-07-23 02:37:34,627 INFO L226 Difference]: Without dead ends: 22817 [2022-07-23 02:37:34,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:34,642 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2284 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 2963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 728 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:34,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6286 Invalid, 2963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [728 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 02:37:34,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22817 states. [2022-07-23 02:37:35,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22817 to 22601. [2022-07-23 02:37:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22601 states, 15756 states have (on average 1.277798933739528) internal successors, (20133), 16230 states have internal predecessors, (20133), 5617 states have call successors, (5617), 1242 states have call predecessors, (5617), 1225 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-23 02:37:35,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22601 states to 22601 states and 31395 transitions. [2022-07-23 02:37:35,632 INFO L78 Accepts]: Start accepts. Automaton has 22601 states and 31395 transitions. Word has length 198 [2022-07-23 02:37:35,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:35,633 INFO L495 AbstractCegarLoop]: Abstraction has 22601 states and 31395 transitions. [2022-07-23 02:37:35,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 02:37:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 22601 states and 31395 transitions. [2022-07-23 02:37:35,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-23 02:37:35,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:35,643 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 4, 4, 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] [2022-07-23 02:37:35,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 02:37:35,643 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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)] === [2022-07-23 02:37:35,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:35,644 INFO L85 PathProgramCache]: Analyzing trace with hash 204393805, now seen corresponding path program 1 times [2022-07-23 02:37:35,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:35,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249865575] [2022-07-23 02:37:35,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:35,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:36,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:36,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:36,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:36,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:37:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:37:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:36,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 02:37:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:36,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:37:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 02:37:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2022-07-23 02:37:36,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:36,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249865575] [2022-07-23 02:37:36,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249865575] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:36,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:36,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:37:36,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616820243] [2022-07-23 02:37:36,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:36,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:37:36,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:36,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:37:36,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:37:36,062 INFO L87 Difference]: Start difference. First operand 22601 states and 31395 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 02:37:39,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:39,005 INFO L93 Difference]: Finished difference Result 22823 states and 31769 transitions. [2022-07-23 02:37:39,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:37:39,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 203 [2022-07-23 02:37:39,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:39,119 INFO L225 Difference]: With dead ends: 22823 [2022-07-23 02:37:39,120 INFO L226 Difference]: Without dead ends: 22821 [2022-07-23 02:37:39,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:39,141 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2284 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 727 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 2962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 727 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:39,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6278 Invalid, 2962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [727 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-23 02:37:39,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22821 states. [2022-07-23 02:37:39,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22821 to 22605. [2022-07-23 02:37:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22605 states, 15759 states have (on average 1.2777460498762612) internal successors, (20136), 16233 states have internal predecessors, (20136), 5617 states have call successors, (5617), 1243 states have call predecessors, (5617), 1226 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-23 02:37:40,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22605 states to 22605 states and 31398 transitions. [2022-07-23 02:37:40,287 INFO L78 Accepts]: Start accepts. Automaton has 22605 states and 31398 transitions. Word has length 203 [2022-07-23 02:37:40,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:40,290 INFO L495 AbstractCegarLoop]: Abstraction has 22605 states and 31398 transitions. [2022-07-23 02:37:40,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 02:37:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand 22605 states and 31398 transitions. [2022-07-23 02:37:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-23 02:37:40,301 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:40,301 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 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] [2022-07-23 02:37:40,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 02:37:40,302 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-07-23 02:37:40,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:40,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1915811192, now seen corresponding path program 1 times [2022-07-23 02:37:40,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:40,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649647991] [2022-07-23 02:37:40,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:40,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:37:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:37:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 02:37:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:37:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 02:37:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:37:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-23 02:37:40,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:40,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649647991] [2022-07-23 02:37:40,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649647991] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:40,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:40,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:37:40,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205955261] [2022-07-23 02:37:40,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:40,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:37:40,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:40,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:37:40,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:37:40,680 INFO L87 Difference]: Start difference. First operand 22605 states and 31398 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 02:37:43,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:43,488 INFO L93 Difference]: Finished difference Result 22827 states and 31772 transitions. [2022-07-23 02:37:43,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:37:43,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 208 [2022-07-23 02:37:43,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:43,568 INFO L225 Difference]: With dead ends: 22827 [2022-07-23 02:37:43,568 INFO L226 Difference]: Without dead ends: 22825 [2022-07-23 02:37:43,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:43,582 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2284 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 2961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:43,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6286 Invalid, 2961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-23 02:37:43,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22825 states. [2022-07-23 02:37:44,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22825 to 22609. [2022-07-23 02:37:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22609 states, 15762 states have (on average 1.2776931861438903) internal successors, (20139), 16236 states have internal predecessors, (20139), 5617 states have call successors, (5617), 1244 states have call predecessors, (5617), 1227 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-23 02:37:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22609 states to 22609 states and 31401 transitions. [2022-07-23 02:37:44,537 INFO L78 Accepts]: Start accepts. Automaton has 22609 states and 31401 transitions. Word has length 208 [2022-07-23 02:37:44,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:44,537 INFO L495 AbstractCegarLoop]: Abstraction has 22609 states and 31401 transitions. [2022-07-23 02:37:44,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 02:37:44,538 INFO L276 IsEmpty]: Start isEmpty. Operand 22609 states and 31401 transitions. [2022-07-23 02:37:44,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-07-23 02:37:44,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:44,549 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 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] [2022-07-23 02:37:44,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 02:37:44,549 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-07-23 02:37:44,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:44,550 INFO L85 PathProgramCache]: Analyzing trace with hash 147146733, now seen corresponding path program 1 times [2022-07-23 02:37:44,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:44,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681512071] [2022-07-23 02:37:44,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:44,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:37:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:37:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 02:37:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:37:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:44,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 02:37:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:37:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:45,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 02:37:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:45,108 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-07-23 02:37:45,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:45,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681512071] [2022-07-23 02:37:45,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681512071] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:45,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:45,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:37:45,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738977926] [2022-07-23 02:37:45,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:45,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:37:45,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:45,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:37:45,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:37:45,110 INFO L87 Difference]: Start difference. First operand 22609 states and 31401 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 02:37:48,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:48,185 INFO L93 Difference]: Finished difference Result 23353 states and 32344 transitions. [2022-07-23 02:37:48,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 02:37:48,185 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 213 [2022-07-23 02:37:48,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:48,279 INFO L225 Difference]: With dead ends: 23353 [2022-07-23 02:37:48,279 INFO L226 Difference]: Without dead ends: 23351 [2022-07-23 02:37:48,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:48,294 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2291 mSDsluCounter, 4060 mSDsCounter, 0 mSdLazyCounter, 2364 mSolverCounterSat, 732 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 6321 SdHoareTripleChecker+Invalid, 3096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 732 IncrementalHoareTripleChecker+Valid, 2364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:48,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2584 Valid, 6321 Invalid, 3096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [732 Valid, 2364 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-23 02:37:48,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23351 states. [2022-07-23 02:37:49,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23351 to 23133. [2022-07-23 02:37:49,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23133 states, 16113 states have (on average 1.2743747284801092) internal successors, (20534), 16603 states have internal predecessors, (20534), 5705 states have call successors, (5705), 1329 states have call predecessors, (5705), 1312 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-23 02:37:49,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23133 states to 23133 states and 31972 transitions. [2022-07-23 02:37:49,173 INFO L78 Accepts]: Start accepts. Automaton has 23133 states and 31972 transitions. Word has length 213 [2022-07-23 02:37:49,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:49,173 INFO L495 AbstractCegarLoop]: Abstraction has 23133 states and 31972 transitions. [2022-07-23 02:37:49,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 02:37:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 23133 states and 31972 transitions. [2022-07-23 02:37:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-23 02:37:49,183 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:49,183 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 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] [2022-07-23 02:37:49,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 02:37:49,184 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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)] === [2022-07-23 02:37:49,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:49,184 INFO L85 PathProgramCache]: Analyzing trace with hash 601378392, now seen corresponding path program 1 times [2022-07-23 02:37:49,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:49,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915563170] [2022-07-23 02:37:49,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:49,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:37:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:37:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 02:37:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:37:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 02:37:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:37:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 02:37:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 02:37:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-07-23 02:37:49,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:49,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915563170] [2022-07-23 02:37:49,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915563170] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:49,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:49,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:37:49,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099076683] [2022-07-23 02:37:49,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:49,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:37:49,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:49,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:37:49,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:37:49,670 INFO L87 Difference]: Start difference. First operand 23133 states and 31972 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-23 02:37:52,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:52,486 INFO L93 Difference]: Finished difference Result 23355 states and 32346 transitions. [2022-07-23 02:37:52,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:37:52,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 218 [2022-07-23 02:37:52,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:52,569 INFO L225 Difference]: With dead ends: 23355 [2022-07-23 02:37:52,569 INFO L226 Difference]: Without dead ends: 23353 [2022-07-23 02:37:52,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:52,582 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2284 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 2959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 724 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:52,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6286 Invalid, 2959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [724 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 02:37:52,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23353 states. [2022-07-23 02:37:53,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23353 to 23137. [2022-07-23 02:37:53,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23137 states, 16116 states have (on average 1.2743236535120377) internal successors, (20537), 16606 states have internal predecessors, (20537), 5705 states have call successors, (5705), 1330 states have call predecessors, (5705), 1313 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-23 02:37:53,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23137 states to 23137 states and 31975 transitions. [2022-07-23 02:37:53,476 INFO L78 Accepts]: Start accepts. Automaton has 23137 states and 31975 transitions. Word has length 218 [2022-07-23 02:37:53,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:53,476 INFO L495 AbstractCegarLoop]: Abstraction has 23137 states and 31975 transitions. [2022-07-23 02:37:53,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-23 02:37:53,477 INFO L276 IsEmpty]: Start isEmpty. Operand 23137 states and 31975 transitions. [2022-07-23 02:37:53,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-23 02:37:53,490 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:53,490 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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] [2022-07-23 02:37:53,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 02:37:53,491 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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)] === [2022-07-23 02:37:53,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:53,492 INFO L85 PathProgramCache]: Analyzing trace with hash -261313907, now seen corresponding path program 1 times [2022-07-23 02:37:53,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:53,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149086002] [2022-07-23 02:37:53,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:53,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:37:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:37:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 02:37:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:37:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 02:37:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:37:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 02:37:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 02:37:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 02:37:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,985 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-07-23 02:37:53,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:53,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149086002] [2022-07-23 02:37:53,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149086002] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:53,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:53,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:37:53,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280317666] [2022-07-23 02:37:53,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:53,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:37:53,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:53,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:37:53,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:37:53,989 INFO L87 Difference]: Start difference. First operand 23137 states and 31975 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-23 02:37:56,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:56,935 INFO L93 Difference]: Finished difference Result 23465 states and 32422 transitions. [2022-07-23 02:37:56,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 02:37:56,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 223 [2022-07-23 02:37:56,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:57,023 INFO L225 Difference]: With dead ends: 23465 [2022-07-23 02:37:57,023 INFO L226 Difference]: Without dead ends: 23463 [2022-07-23 02:37:57,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:57,040 INFO L413 NwaCegarLoop]: 2266 mSDtfsCounter, 2264 mSDsluCounter, 4051 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2551 SdHoareTripleChecker+Valid, 6317 SdHoareTripleChecker+Invalid, 2988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:57,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2551 Valid, 6317 Invalid, 2988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 2269 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-23 02:37:57,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23463 states. [2022-07-23 02:37:57,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23463 to 23245. [2022-07-23 02:37:57,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23245 states, 16191 states have (on average 1.2730529306404792) internal successors, (20612), 16681 states have internal predecessors, (20612), 5705 states have call successors, (5705), 1363 states have call predecessors, (5705), 1346 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-23 02:37:58,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23245 states to 23245 states and 32050 transitions. [2022-07-23 02:37:58,092 INFO L78 Accepts]: Start accepts. Automaton has 23245 states and 32050 transitions. Word has length 223 [2022-07-23 02:37:58,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:58,092 INFO L495 AbstractCegarLoop]: Abstraction has 23245 states and 32050 transitions. [2022-07-23 02:37:58,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-23 02:37:58,093 INFO L276 IsEmpty]: Start isEmpty. Operand 23245 states and 32050 transitions. [2022-07-23 02:37:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-23 02:37:58,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:58,104 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-07-23 02:37:58,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 02:37:58,105 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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)] === [2022-07-23 02:37:58,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:58,105 INFO L85 PathProgramCache]: Analyzing trace with hash 952090424, now seen corresponding path program 1 times [2022-07-23 02:37:58,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:37:58,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627815436] [2022-07-23 02:37:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:58,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:37:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:37:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:37:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:37:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:37:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:37:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:37:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:37:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:37:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:37:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:37:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:37:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:37:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:37:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:37:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:37:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:37:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:37:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:37:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:37:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 02:37:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:37:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 02:37:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:37:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 02:37:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 02:37:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 02:37:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:37:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2022-07-23 02:37:58,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:37:58,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627815436] [2022-07-23 02:37:58,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627815436] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:58,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:58,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:37:58,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441453172] [2022-07-23 02:37:58,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:58,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:37:58,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:37:58,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:37:58,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:37:58,480 INFO L87 Difference]: Start difference. First operand 23245 states and 32050 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-23 02:38:01,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:01,085 INFO L93 Difference]: Finished difference Result 23467 states and 32424 transitions. [2022-07-23 02:38:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:38:01,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 4 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 228 [2022-07-23 02:38:01,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:01,181 INFO L225 Difference]: With dead ends: 23467 [2022-07-23 02:38:01,181 INFO L226 Difference]: Without dead ends: 23465 [2022-07-23 02:38:01,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:38:01,200 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2284 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 2957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:01,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6278 Invalid, 2957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [722 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-23 02:38:01,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23465 states. [2022-07-23 02:38:02,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23465 to 23249. [2022-07-23 02:38:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23249 states, 16194 states have (on average 1.2730023465481042) internal successors, (20615), 16684 states have internal predecessors, (20615), 5705 states have call successors, (5705), 1364 states have call predecessors, (5705), 1347 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-23 02:38:02,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23249 states to 23249 states and 32053 transitions. [2022-07-23 02:38:02,244 INFO L78 Accepts]: Start accepts. Automaton has 23249 states and 32053 transitions. Word has length 228 [2022-07-23 02:38:02,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:02,245 INFO L495 AbstractCegarLoop]: Abstraction has 23249 states and 32053 transitions. [2022-07-23 02:38:02,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-23 02:38:02,246 INFO L276 IsEmpty]: Start isEmpty. Operand 23249 states and 32053 transitions. [2022-07-23 02:38:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-23 02:38:02,258 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:02,258 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2022-07-23 02:38:02,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-23 02:38:02,258 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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)] === [2022-07-23 02:38:02,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:02,259 INFO L85 PathProgramCache]: Analyzing trace with hash -659609587, now seen corresponding path program 1 times [2022-07-23 02:38:02,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:38:02,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737673207] [2022-07-23 02:38:02,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:02,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:38:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:38:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:38:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:38:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:38:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:38:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:38:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:38:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:38:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:38:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:38:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:38:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:38:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:38:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:38:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:38:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:38:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 02:38:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 02:38:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 02:38:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 02:38:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 02:38:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:38:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 02:38:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:38:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:38:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 02:38:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 02:38:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:38:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:38:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 02:38:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:38:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:38:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2022-07-23 02:38:02,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:38:02,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737673207] [2022-07-23 02:38:02,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737673207] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:38:02,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:38:02,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:38:02,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076566493] [2022-07-23 02:38:02,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:02,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:38:02,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:38:02,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:38:02,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:38:02,811 INFO L87 Difference]: Start difference. First operand 23249 states and 32053 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 02:38:07,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:07,468 INFO L93 Difference]: Finished difference Result 23471 states and 32427 transitions. [2022-07-23 02:38:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:38:07,469 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 269 [2022-07-23 02:38:07,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:07,562 INFO L225 Difference]: With dead ends: 23471 [2022-07-23 02:38:07,563 INFO L226 Difference]: Without dead ends: 23469 [2022-07-23 02:38:07,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-23 02:38:07,582 INFO L413 NwaCegarLoop]: 2128 mSDtfsCounter, 2934 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 4268 mSolverCounterSat, 1676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3118 SdHoareTripleChecker+Valid, 5130 SdHoareTripleChecker+Invalid, 5944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1676 IncrementalHoareTripleChecker+Valid, 4268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:07,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3118 Valid, 5130 Invalid, 5944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1676 Valid, 4268 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-23 02:38:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23469 states. [2022-07-23 02:38:08,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23469 to 23253. [2022-07-23 02:38:08,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23253 states, 16197 states have (on average 1.2729517811940483) internal successors, (20618), 16687 states have internal predecessors, (20618), 5705 states have call successors, (5705), 1365 states have call predecessors, (5705), 1348 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-23 02:38:08,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23253 states to 23253 states and 32056 transitions. [2022-07-23 02:38:08,765 INFO L78 Accepts]: Start accepts. Automaton has 23253 states and 32056 transitions. Word has length 269 [2022-07-23 02:38:08,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:08,765 INFO L495 AbstractCegarLoop]: Abstraction has 23253 states and 32056 transitions. [2022-07-23 02:38:08,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 02:38:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 23253 states and 32056 transitions. [2022-07-23 02:38:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-23 02:38:08,775 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:08,775 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2022-07-23 02:38:08,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-23 02:38:08,776 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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)] === [2022-07-23 02:38:08,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:08,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1378476344, now seen corresponding path program 1 times [2022-07-23 02:38:08,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:38:08,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350636081] [2022-07-23 02:38:08,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:08,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:38:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:08,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:38:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:38:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:08,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:08,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:38:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:08,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:08,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:38:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:38:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:38:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:38:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:38:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:38:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:38:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:38:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:38:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:38:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:38:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:38:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:38:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 02:38:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 02:38:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 02:38:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 02:38:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 02:38:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:38:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 02:38:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:38:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:38:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 02:38:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 02:38:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:38:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:38:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 02:38:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:38:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:38:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 02:38:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2022-07-23 02:38:09,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:38:09,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350636081] [2022-07-23 02:38:09,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350636081] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:38:09,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:38:09,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:38:09,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456882062] [2022-07-23 02:38:09,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:09,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:38:09,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:38:09,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:38:09,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:38:09,180 INFO L87 Difference]: Start difference. First operand 23253 states and 32056 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 02:38:13,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:13,970 INFO L93 Difference]: Finished difference Result 23475 states and 32430 transitions. [2022-07-23 02:38:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:38:13,971 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 274 [2022-07-23 02:38:13,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:14,039 INFO L225 Difference]: With dead ends: 23475 [2022-07-23 02:38:14,039 INFO L226 Difference]: Without dead ends: 23471 [2022-07-23 02:38:14,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-23 02:38:14,050 INFO L413 NwaCegarLoop]: 2128 mSDtfsCounter, 2934 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 4268 mSolverCounterSat, 1675 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3118 SdHoareTripleChecker+Valid, 5130 SdHoareTripleChecker+Invalid, 5943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1675 IncrementalHoareTripleChecker+Valid, 4268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:14,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3118 Valid, 5130 Invalid, 5943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1675 Valid, 4268 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:38:14,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23471 states. [2022-07-23 02:38:14,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23471 to 23255. [2022-07-23 02:38:14,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23255 states, 16199 states have (on average 1.2728563491573555) internal successors, (20619), 16688 states have internal predecessors, (20619), 5705 states have call successors, (5705), 1366 states have call predecessors, (5705), 1348 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-23 02:38:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23255 states to 23255 states and 32057 transitions. [2022-07-23 02:38:14,914 INFO L78 Accepts]: Start accepts. Automaton has 23255 states and 32057 transitions. Word has length 274 [2022-07-23 02:38:14,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:14,914 INFO L495 AbstractCegarLoop]: Abstraction has 23255 states and 32057 transitions. [2022-07-23 02:38:14,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-23 02:38:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 23255 states and 32057 transitions. [2022-07-23 02:38:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-23 02:38:14,924 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:14,925 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 12, 12, 9, 9, 9, 9, 9, 9, 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] [2022-07-23 02:38:14,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-23 02:38:14,925 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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)] === [2022-07-23 02:38:14,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:14,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1399203789, now seen corresponding path program 1 times [2022-07-23 02:38:14,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:38:14,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733781835] [2022-07-23 02:38:14,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:14,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:38:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:38:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:38:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:38:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:38:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:38:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:38:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:38:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:38:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:38:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:38:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:38:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:38:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:38:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:38:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:38:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 02:38:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 02:38:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:38:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-23 02:38:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:38:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 02:38:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:38:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 02:38:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 02:38:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 02:38:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:38:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:38:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 02:38:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:38:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 772 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2022-07-23 02:38:15,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:38:15,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733781835] [2022-07-23 02:38:15,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733781835] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:38:15,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:38:15,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:38:15,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76936675] [2022-07-23 02:38:15,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:15,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:38:15,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:38:15,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:38:15,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:38:15,460 INFO L87 Difference]: Start difference. First operand 23255 states and 32057 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-23 02:38:18,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:18,764 INFO L93 Difference]: Finished difference Result 23471 states and 32426 transitions. [2022-07-23 02:38:18,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:38:18,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 243 [2022-07-23 02:38:18,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:18,855 INFO L225 Difference]: With dead ends: 23471 [2022-07-23 02:38:18,855 INFO L226 Difference]: Without dead ends: 23311 [2022-07-23 02:38:18,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:38:18,870 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 2278 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 2949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:18,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2570 Valid, 6275 Invalid, 2949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-23 02:38:18,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23311 states. [2022-07-23 02:38:19,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23311 to 23095. [2022-07-23 02:38:19,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23095 states, 16096 states have (on average 1.2736083499005963) internal successors, (20500), 16573 states have internal predecessors, (20500), 5665 states have call successors, (5665), 1348 states have call predecessors, (5665), 1332 states have return successors, (5697), 5533 states have call predecessors, (5697), 5665 states have call successors, (5697) [2022-07-23 02:38:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23095 states to 23095 states and 31862 transitions. [2022-07-23 02:38:19,910 INFO L78 Accepts]: Start accepts. Automaton has 23095 states and 31862 transitions. Word has length 243 [2022-07-23 02:38:19,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:19,910 INFO L495 AbstractCegarLoop]: Abstraction has 23095 states and 31862 transitions. [2022-07-23 02:38:19,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-23 02:38:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 23095 states and 31862 transitions. [2022-07-23 02:38:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-23 02:38:20,031 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:20,031 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:38:20,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-23 02:38:20,032 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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)] === [2022-07-23 02:38:20,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:20,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1179250178, now seen corresponding path program 1 times [2022-07-23 02:38:20,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:38:20,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972187168] [2022-07-23 02:38:20,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:20,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:38:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:38:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:38:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:38:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:38:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:38:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:38:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:38:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:38:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:38:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:38:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:38:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:38:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:38:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:38:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 02:38:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 02:38:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 02:38:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 02:38:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:38:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 02:38:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 02:38:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:38:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:38:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 02:38:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:38:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-07-23 02:38:20,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:38:20,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972187168] [2022-07-23 02:38:20,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972187168] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:38:20,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:38:20,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:38:20,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732775756] [2022-07-23 02:38:20,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:20,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:38:20,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:38:20,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:38:20,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:38:20,544 INFO L87 Difference]: Start difference. First operand 23095 states and 31862 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 02:38:28,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:28,178 INFO L93 Difference]: Finished difference Result 49130 states and 67756 transitions. [2022-07-23 02:38:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:38:28,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 246 [2022-07-23 02:38:28,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:28,299 INFO L225 Difference]: With dead ends: 49130 [2022-07-23 02:38:28,299 INFO L226 Difference]: Without dead ends: 25877 [2022-07-23 02:38:28,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:38:28,390 INFO L413 NwaCegarLoop]: 3059 mSDtfsCounter, 1596 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 2974 mSolverCounterSat, 718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 6583 SdHoareTripleChecker+Invalid, 3692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 718 IncrementalHoareTripleChecker+Valid, 2974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:28,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1843 Valid, 6583 Invalid, 3692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [718 Valid, 2974 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-23 02:38:28,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25877 states. [2022-07-23 02:38:29,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25877 to 25026. [2022-07-23 02:38:29,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25026 states, 17632 states have (on average 1.2657100725952812) internal successors, (22317), 18114 states have internal predecessors, (22317), 5840 states have call successors, (5840), 1564 states have call predecessors, (5840), 1552 states have return successors, (5864), 5731 states have call predecessors, (5864), 5840 states have call successors, (5864) [2022-07-23 02:38:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25026 states to 25026 states and 34021 transitions. [2022-07-23 02:38:29,643 INFO L78 Accepts]: Start accepts. Automaton has 25026 states and 34021 transitions. Word has length 246 [2022-07-23 02:38:29,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:29,644 INFO L495 AbstractCegarLoop]: Abstraction has 25026 states and 34021 transitions. [2022-07-23 02:38:29,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 02:38:29,644 INFO L276 IsEmpty]: Start isEmpty. Operand 25026 states and 34021 transitions. [2022-07-23 02:38:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-07-23 02:38:29,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:29,657 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:38:29,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-23 02:38:29,658 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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)] === [2022-07-23 02:38:29,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:29,658 INFO L85 PathProgramCache]: Analyzing trace with hash -746072369, now seen corresponding path program 1 times [2022-07-23 02:38:29,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:38:29,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505333032] [2022-07-23 02:38:29,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:29,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:38:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:38:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:38:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:38:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:38:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:38:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:38:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:38:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:38:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:38:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:29,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:38:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:38:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:38:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:38:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:38:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 02:38:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 02:38:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:38:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 02:38:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:38:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:38:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:38:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 02:38:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 02:38:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 02:38:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 02:38:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:38:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 02:38:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 02:38:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 02:38:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:38:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 02:38:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 02:38:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2022-07-23 02:38:30,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:38:30,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505333032] [2022-07-23 02:38:30,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505333032] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:38:30,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:38:30,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:38:30,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527988138] [2022-07-23 02:38:30,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:30,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:38:30,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:38:30,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:38:30,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:38:30,243 INFO L87 Difference]: Start difference. First operand 25026 states and 34021 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-23 02:38:34,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:34,990 INFO L93 Difference]: Finished difference Result 58791 states and 80149 transitions. [2022-07-23 02:38:34,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:38:34,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 310 [2022-07-23 02:38:34,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:35,117 INFO L225 Difference]: With dead ends: 58791 [2022-07-23 02:38:35,118 INFO L226 Difference]: Without dead ends: 33943 [2022-07-23 02:38:35,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:38:35,187 INFO L413 NwaCegarLoop]: 3425 mSDtfsCounter, 1937 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 1207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 6376 SdHoareTripleChecker+Invalid, 3059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1207 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:35,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2185 Valid, 6376 Invalid, 3059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1207 Valid, 1852 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-23 02:38:35,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33943 states. [2022-07-23 02:38:36,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33943 to 32747. [2022-07-23 02:38:36,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32747 states, 23178 states have (on average 1.2617999827422557) internal successors, (29246), 23784 states have internal predecessors, (29246), 7454 states have call successors, (7454), 2125 states have call predecessors, (7454), 2113 states have return successors, (7478), 7335 states have call predecessors, (7478), 7454 states have call successors, (7478) [2022-07-23 02:38:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32747 states to 32747 states and 44178 transitions. [2022-07-23 02:38:36,960 INFO L78 Accepts]: Start accepts. Automaton has 32747 states and 44178 transitions. Word has length 310 [2022-07-23 02:38:36,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:36,961 INFO L495 AbstractCegarLoop]: Abstraction has 32747 states and 44178 transitions. [2022-07-23 02:38:36,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-23 02:38:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32747 states and 44178 transitions. [2022-07-23 02:38:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-23 02:38:36,979 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:36,979 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:38:36,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-23 02:38:36,980 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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)] === [2022-07-23 02:38:36,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:36,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1440619235, now seen corresponding path program 1 times [2022-07-23 02:38:36,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:38:36,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373898455] [2022-07-23 02:38:36,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:36,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:38:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:38:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:38:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:38:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:38:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:38:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:38:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:38:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:38:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:38:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:38:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:38:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:38:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:38:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:38:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 02:38:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 02:38:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:38:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 02:38:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:38:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 02:38:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:38:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 02:38:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 02:38:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 02:38:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:38:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:38:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:38:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 02:38:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 02:38:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 02:38:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 02:38:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:38:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 02:38:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 02:38:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:38:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-23 02:38:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 02:38:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:38:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-07-23 02:38:37,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:38:37,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373898455] [2022-07-23 02:38:37,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373898455] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:38:37,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:38:37,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:38:37,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655523166] [2022-07-23 02:38:37,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:37,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:38:37,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:38:37,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:38:37,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:38:37,527 INFO L87 Difference]: Start difference. First operand 32747 states and 44178 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-23 02:38:44,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:44,872 INFO L93 Difference]: Finished difference Result 74461 states and 100815 transitions. [2022-07-23 02:38:44,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:38:44,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 384 [2022-07-23 02:38:44,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:45,014 INFO L225 Difference]: With dead ends: 74461 [2022-07-23 02:38:45,015 INFO L226 Difference]: Without dead ends: 41719 [2022-07-23 02:38:45,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:38:45,101 INFO L413 NwaCegarLoop]: 3440 mSDtfsCounter, 1529 mSDsluCounter, 3950 mSDsCounter, 0 mSdLazyCounter, 3047 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 7390 SdHoareTripleChecker+Invalid, 3694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 3047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:45,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 7390 Invalid, 3694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 3047 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-23 02:38:45,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41719 states. [2022-07-23 02:38:46,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41719 to 40194. [2022-07-23 02:38:47,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40194 states, 28527 states have (on average 1.2598240263609914) internal successors, (35939), 29256 states have internal predecessors, (35939), 9009 states have call successors, (9009), 2668 states have call predecessors, (9009), 2656 states have return successors, (9033), 8880 states have call predecessors, (9033), 9009 states have call successors, (9033) [2022-07-23 02:38:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40194 states to 40194 states and 53981 transitions. [2022-07-23 02:38:47,166 INFO L78 Accepts]: Start accepts. Automaton has 40194 states and 53981 transitions. Word has length 384 [2022-07-23 02:38:47,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:47,167 INFO L495 AbstractCegarLoop]: Abstraction has 40194 states and 53981 transitions. [2022-07-23 02:38:47,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-23 02:38:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand 40194 states and 53981 transitions. [2022-07-23 02:38:47,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-23 02:38:47,184 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:47,184 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:38:47,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-23 02:38:47,185 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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)] === [2022-07-23 02:38:47,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:47,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1778906785, now seen corresponding path program 1 times [2022-07-23 02:38:47,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:38:47,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552868241] [2022-07-23 02:38:47,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:47,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:38:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:38:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:38:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:38:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:38:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:38:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:38:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:38:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:38:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:38:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:38:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:38:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:38:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:38:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:38:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 02:38:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 02:38:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:38:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 02:38:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:38:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 02:38:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:38:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 02:38:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 02:38:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 02:38:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:38:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:38:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:38:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 02:38:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 02:38:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 02:38:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 02:38:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:38:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 02:38:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 02:38:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:38:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-23 02:38:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 02:38:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:38:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:47,886 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-07-23 02:38:47,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:38:47,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552868241] [2022-07-23 02:38:47,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552868241] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:38:47,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:38:47,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:38:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628344228] [2022-07-23 02:38:47,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:47,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:38:47,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:38:47,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:38:47,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:38:47,890 INFO L87 Difference]: Start difference. First operand 40194 states and 53981 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-23 02:38:55,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:55,945 INFO L93 Difference]: Finished difference Result 92531 states and 124889 transitions. [2022-07-23 02:38:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:38:55,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 384 [2022-07-23 02:38:55,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:56,153 INFO L225 Difference]: With dead ends: 92531 [2022-07-23 02:38:56,153 INFO L226 Difference]: Without dead ends: 52515 [2022-07-23 02:38:56,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:38:56,246 INFO L413 NwaCegarLoop]: 3696 mSDtfsCounter, 2021 mSDsluCounter, 3888 mSDsCounter, 0 mSdLazyCounter, 3096 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2371 SdHoareTripleChecker+Valid, 7584 SdHoareTripleChecker+Invalid, 3787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 3096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:56,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2371 Valid, 7584 Invalid, 3787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 3096 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-07-23 02:38:56,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52515 states. [2022-07-23 02:38:58,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52515 to 50540. [2022-07-23 02:38:58,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50540 states, 35840 states have (on average 1.2572823660714285) internal successors, (45061), 36738 states have internal predecessors, (45061), 11319 states have call successors, (11319), 3391 states have call predecessors, (11319), 3379 states have return successors, (11343), 11174 states have call predecessors, (11343), 11319 states have call successors, (11343) [2022-07-23 02:38:58,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50540 states to 50540 states and 67723 transitions. [2022-07-23 02:38:58,923 INFO L78 Accepts]: Start accepts. Automaton has 50540 states and 67723 transitions. Word has length 384 [2022-07-23 02:38:58,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:58,924 INFO L495 AbstractCegarLoop]: Abstraction has 50540 states and 67723 transitions. [2022-07-23 02:38:58,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-23 02:38:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 50540 states and 67723 transitions. [2022-07-23 02:38:58,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-07-23 02:38:58,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:58,939 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:38:58,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-23 02:38:58,940 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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)] === [2022-07-23 02:38:58,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:58,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1310019458, now seen corresponding path program 1 times [2022-07-23 02:38:58,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:38:58,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313639400] [2022-07-23 02:38:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:58,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:38:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:38:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:38:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:38:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:38:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:38:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:38:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:38:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:38:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:38:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:38:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:38:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:38:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:38:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:38:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 02:38:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 02:38:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:38:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 02:38:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:38:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 02:38:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:38:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 02:38:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 02:38:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 02:38:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:38:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 02:38:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 02:38:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-23 02:38:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:38:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:38:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:38:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:38:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 02:38:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 02:38:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 02:38:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 02:38:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:38:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:38:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 02:38:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:38:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 02:38:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-23 02:38:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-23 02:38:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 02:38:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2022-07-23 02:38:59,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:38:59,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313639400] [2022-07-23 02:38:59,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313639400] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:38:59,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:38:59,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:38:59,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87906195] [2022-07-23 02:38:59,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:59,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:38:59,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:38:59,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:38:59,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:38:59,393 INFO L87 Difference]: Start difference. First operand 50540 states and 67723 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 02:39:05,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:39:05,667 INFO L93 Difference]: Finished difference Result 110805 states and 149154 transitions. [2022-07-23 02:39:05,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:39:05,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 439 [2022-07-23 02:39:05,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:39:05,888 INFO L225 Difference]: With dead ends: 110805 [2022-07-23 02:39:05,888 INFO L226 Difference]: Without dead ends: 60443 [2022-07-23 02:39:05,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:39:05,987 INFO L413 NwaCegarLoop]: 3185 mSDtfsCounter, 1988 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 1296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2237 SdHoareTripleChecker+Valid, 5997 SdHoareTripleChecker+Invalid, 3131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1296 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:39:05,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2237 Valid, 5997 Invalid, 3131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1296 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-23 02:39:06,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60443 states. [2022-07-23 02:39:09,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60443 to 58123. [2022-07-23 02:39:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58123 states, 41302 states have (on average 1.2567430148661083) internal successors, (51906), 42324 states have internal predecessors, (51906), 12897 states have call successors, (12897), 3934 states have call predecessors, (12897), 3922 states have return successors, (12921), 12742 states have call predecessors, (12921), 12897 states have call successors, (12921) [2022-07-23 02:39:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58123 states to 58123 states and 77724 transitions. [2022-07-23 02:39:09,274 INFO L78 Accepts]: Start accepts. Automaton has 58123 states and 77724 transitions. Word has length 439 [2022-07-23 02:39:09,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:39:09,275 INFO L495 AbstractCegarLoop]: Abstraction has 58123 states and 77724 transitions. [2022-07-23 02:39:09,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-23 02:39:09,276 INFO L276 IsEmpty]: Start isEmpty. Operand 58123 states and 77724 transitions. [2022-07-23 02:39:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-07-23 02:39:09,298 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:39:09,298 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:39:09,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-23 02:39:09,299 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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)] === [2022-07-23 02:39:09,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:39:09,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1648307008, now seen corresponding path program 1 times [2022-07-23 02:39:09,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:39:09,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615235843] [2022-07-23 02:39:09,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:39:09,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:39:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:39:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:39:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:39:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:39:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:39:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:39:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:39:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:39:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 02:39:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:39:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 02:39:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:39:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:39:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:39:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 02:39:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 02:39:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:39:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 02:39:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:39:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:39:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 02:39:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:39:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:39:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 02:39:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 02:39:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 02:39:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:39:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 02:39:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 02:39:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-23 02:39:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:39:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:39:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:39:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:39:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:39:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-23 02:39:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 02:39:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 02:39:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 02:39:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:39:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:39:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 02:39:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:39:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 02:39:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-23 02:39:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-23 02:39:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 02:39:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2022-07-23 02:39:09,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:39:09,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615235843] [2022-07-23 02:39:09,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615235843] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:39:09,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:39:09,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:39:09,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610923819] [2022-07-23 02:39:09,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:39:09,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:39:09,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:39:09,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:39:09,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:39:09,771 INFO L87 Difference]: Start difference. First operand 58123 states and 77724 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46)