./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-media-rc-nuvoton-cir.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-media-rc-nuvoton-cir.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 --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 4bd03bf538c8a1f05055d45724b67645b210b4f99e6ffddc4b441645e05ec36a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 04:16:20,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 04:16:20,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 04:16:20,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 04:16:20,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 04:16:20,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 04:16:20,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 04:16:20,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 04:16:20,723 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 04:16:20,724 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 04:16:20,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 04:16:20,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 04:16:20,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 04:16:20,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 04:16:20,727 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 04:16:20,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 04:16:20,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 04:16:20,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 04:16:20,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 04:16:20,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 04:16:20,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 04:16:20,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 04:16:20,730 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 04:16:20,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 04:16:20,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 04:16:20,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 04:16:20,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 04:16:20,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 04:16:20,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 04:16:20,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:16:20,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 04:16:20,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 04:16:20,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 04:16:20,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 04:16:20,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 04:16:20,732 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 04:16:20,732 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 04:16:20,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 04:16:20,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 04:16:20,732 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bd03bf538c8a1f05055d45724b67645b210b4f99e6ffddc4b441645e05ec36a [2024-11-19 04:16:20,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 04:16:21,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 04:16:21,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 04:16:21,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 04:16:21,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 04:16:21,019 INFO L431 ainManager$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-media-rc-nuvoton-cir.cil.i [2024-11-19 04:16:22,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 04:16:22,754 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 04:16:22,755 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2024-11-19 04:16:22,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193736865/8ae695847d9b4429bce4fd75804dfb2b/FLAG749525124 [2024-11-19 04:16:22,919 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193736865/8ae695847d9b4429bce4fd75804dfb2b [2024-11-19 04:16:22,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 04:16:22,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 04:16:22,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 04:16:22,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 04:16:22,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 04:16:22,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:16:22" (1/1) ... [2024-11-19 04:16:22,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125a1501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:22, skipping insertion in model container [2024-11-19 04:16:22,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:16:22" (1/1) ... [2024-11-19 04:16:23,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 04:16:24,196 WARN L250 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-media-rc-nuvoton-cir.cil.i[196376,196389] [2024-11-19 04:16:24,201 WARN L250 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-media-rc-nuvoton-cir.cil.i[196545,196558] [2024-11-19 04:16:24,202 WARN L250 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-media-rc-nuvoton-cir.cil.i[196712,196725] [2024-11-19 04:16:24,202 WARN L250 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-media-rc-nuvoton-cir.cil.i[196880,196893] [2024-11-19 04:16:24,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:16:24,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 04:16:24,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3610] [2024-11-19 04:16:24,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3618] [2024-11-19 04:16:24,434 WARN L250 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-media-rc-nuvoton-cir.cil.i[196376,196389] [2024-11-19 04:16:24,434 WARN L250 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-media-rc-nuvoton-cir.cil.i[196545,196558] [2024-11-19 04:16:24,436 WARN L250 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-media-rc-nuvoton-cir.cil.i[196712,196725] [2024-11-19 04:16:24,436 WARN L250 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-media-rc-nuvoton-cir.cil.i[196880,196893] [2024-11-19 04:16:24,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:16:24,501 INFO L204 MainTranslator]: Completed translation [2024-11-19 04:16:24,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24 WrapperNode [2024-11-19 04:16:24,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 04:16:24,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 04:16:24,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 04:16:24,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 04:16:24,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:24,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:24,663 INFO L138 Inliner]: procedures = 288, calls = 1182, calls flagged for inlining = 114, calls inlined = 94, statements flattened = 2803 [2024-11-19 04:16:24,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 04:16:24,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 04:16:24,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 04:16:24,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 04:16:24,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:24,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:24,701 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:24,921 INFO L175 MemorySlicer]: Split 271 memory accesses to 30 slices as follows [1, 135, 2, 4, 11, 6, 18, 6, 6, 1, 2, 29, 2, 5, 1, 5, 1, 4, 1, 5, 1, 4, 1, 5, 1, 5, 1, 4, 1, 3]. 50 percent of accesses are in the largest equivalence class. The 83 initializations are split as follows [1, 0, 0, 0, 0, 0, 18, 6, 6, 1, 2, 0, 1, 5, 1, 5, 1, 4, 1, 5, 1, 4, 1, 5, 1, 5, 1, 4, 1, 3]. The 109 writes are split as follows [0, 64, 1, 4, 9, 6, 0, 0, 0, 0, 0, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-11-19 04:16:24,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:24,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:24,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:25,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:25,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:25,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:25,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 04:16:25,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 04:16:25,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 04:16:25,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 04:16:25,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (1/1) ... [2024-11-19 04:16:25,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:16:25,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:16:25,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 04:16:25,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 04:16:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-19 04:16:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-19 04:16:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-19 04:16:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-19 04:16:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-19 04:16:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-19 04:16:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-19 04:16:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-19 04:16:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-19 04:16:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-19 04:16:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-19 04:16:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-19 04:16:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-19 04:16:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#25 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#26 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#27 [2024-11-19 04:16:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#28 [2024-11-19 04:16:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#29 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-19 04:16:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#25 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#26 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#27 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#28 [2024-11-19 04:16:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#29 [2024-11-19 04:16:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 04:16:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 04:16:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 04:16:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 04:16:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 04:16:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 04:16:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 04:16:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 04:16:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 04:16:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 04:16:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 04:16:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-19 04:16:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-19 04:16:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-11-19 04:16:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-11-19 04:16:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-11-19 04:16:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 04:16:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 04:16:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 04:16:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 04:16:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2024-11-19 04:16:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2024-11-19 04:16:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_disable [2024-11-19 04:16:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_disable [2024-11-19 04:16:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-19 04:16:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-19 04:16:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-11-19 04:16:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-11-19 04:16:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 04:16:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 04:16:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2024-11-19 04:16:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2024-11-19 04:16:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_read [2024-11-19 04:16:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_read [2024-11-19 04:16:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-19 04:16:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-19 04:16:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-19 04:16:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-19 04:16:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_tx_fifo [2024-11-19 04:16:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_tx_fifo [2024-11-19 04:16:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-19 04:16:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-19 04:16:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_handle [2024-11-19 04:16:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_handle [2024-11-19 04:16:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 04:16:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 04:16:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2024-11-19 04:16:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2024-11-19 04:16:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_wake_fifo [2024-11-19 04:16:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_wake_fifo [2024-11-19 04:16:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 04:16:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_process_rx_ir_data [2024-11-19 04:16:25,267 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_process_rx_ir_data [2024-11-19 04:16:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 04:16:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 04:16:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 04:16:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 04:16:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 04:16:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 04:16:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 04:16:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 04:16:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-19 04:16:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-19 04:16:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-11-19 04:16:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-11-19 04:16:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-11-19 04:16:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-19 04:16:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-19 04:16:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_write [2024-11-19 04:16:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_write [2024-11-19 04:16:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_remove [2024-11-19 04:16:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_remove [2024-11-19 04:16:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_47 [2024-11-19 04:16:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_47 [2024-11-19 04:16:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_45 [2024-11-19 04:16:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_45 [2024-11-19 04:16:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 04:16:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 04:16:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 04:16:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 04:16:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 04:16:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_regs_init [2024-11-19 04:16:25,273 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_regs_init [2024-11-19 04:16:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 04:16:25,273 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 04:16:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 04:16:25,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 04:16:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_tx_inactive [2024-11-19 04:16:25,273 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_tx_inactive [2024-11-19 04:16:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2024-11-19 04:16:25,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2024-11-19 04:16:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_fifo [2024-11-19 04:16:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_fifo [2024-11-19 04:16:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-19 04:16:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-19 04:16:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2024-11-19 04:16:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2024-11-19 04:16:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-19 04:16:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-19 04:16:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-19 04:16:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-19 04:16:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_read [2024-11-19 04:16:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_read [2024-11-19 04:16:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2024-11-19 04:16:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2024-11-19 04:16:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-19 04:16:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-19 04:16:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_get_rx_ir_data [2024-11-19 04:16:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_get_rx_ir_data [2024-11-19 04:16:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-19 04:16:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-19 04:16:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-11-19 04:16:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-11-19 04:16:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_write [2024-11-19 04:16:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_write [2024-11-19 04:16:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 04:16:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 04:16:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 04:16:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 04:16:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 04:16:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 04:16:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-19 04:16:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-11-19 04:16:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-19 04:16:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_cir_iren [2024-11-19 04:16:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_cir_iren [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 04:16:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 04:16:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 04:16:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 04:16:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 04:16:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 04:16:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 04:16:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 04:16:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 04:16:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 04:16:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 04:16:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 04:16:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 04:16:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 04:16:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 04:16:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-19 04:16:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-19 04:16:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-19 04:16:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-19 04:16:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-19 04:16:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-19 04:16:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-19 04:16:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-19 04:16:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-19 04:16:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-19 04:16:25,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-19 04:16:25,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-19 04:16:25,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_reg_bit [2024-11-19 04:16:25,293 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_reg_bit [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-19 04:16:25,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 04:16:25,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_regs_init [2024-11-19 04:16:25,293 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_regs_init [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 04:16:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-19 04:16:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_read [2024-11-19 04:16:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_read [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_enable_wake [2024-11-19 04:16:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_enable_wake [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2024-11-19 04:16:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-19 04:16:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-19 04:16:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-19 04:16:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 04:16:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-19 04:16:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-19 04:16:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-19 04:16:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-11-19 04:16:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-11-19 04:16:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-11-19 04:16:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_write [2024-11-19 04:16:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_write [2024-11-19 04:16:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_enable [2024-11-19 04:16:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_enable [2024-11-19 04:16:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_disable_cir [2024-11-19 04:16:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_disable_cir [2024-11-19 04:16:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2024-11-19 04:16:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2024-11-19 04:16:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_select_logical_dev [2024-11-19 04:16:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_select_logical_dev [2024-11-19 04:16:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-19 04:16:25,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-19 04:16:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2024-11-19 04:16:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_shutdown [2024-11-19 04:16:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_shutdown [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-19 04:16:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2024-11-19 04:16:25,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 04:16:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-19 04:16:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-19 04:16:25,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-19 04:16:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2024-11-19 04:16:25,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2024-11-19 04:16:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-19 04:16:25,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-19 04:16:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 04:16:25,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 04:16:25,784 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 04:16:25,788 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 04:16:25,806 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 04:16:35,733 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-19 04:16:36,161 INFO L? ?]: Removed 1071 outVars from TransFormulas that were not future-live. [2024-11-19 04:16:36,161 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 04:16:36,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 04:16:36,208 INFO L316 CfgBuilder]: Removed 30 assume(true) statements. [2024-11-19 04:16:36,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:36 BoogieIcfgContainer [2024-11-19 04:16:36,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 04:16:36,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 04:16:36,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 04:16:36,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 04:16:36,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:16:22" (1/3) ... [2024-11-19 04:16:36,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2f38a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:16:36, skipping insertion in model container [2024-11-19 04:16:36,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:24" (2/3) ... [2024-11-19 04:16:36,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2f38a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:16:36, skipping insertion in model container [2024-11-19 04:16:36,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:36" (3/3) ... [2024-11-19 04:16:36,226 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2024-11-19 04:16:36,239 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 04:16:36,240 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-19 04:16:36,336 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 04:16:36,345 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@11ad2f40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 04:16:36,346 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-19 04:16:36,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 1297 states, 775 states have (on average 1.2348387096774194) internal successors, (957), 788 states have internal predecessors, (957), 447 states have call successors, (447), 73 states have call predecessors, (447), 72 states have return successors, (443), 442 states have call predecessors, (443), 443 states have call successors, (443) [2024-11-19 04:16:36,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 04:16:36,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:36,369 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:16:36,370 INFO L396 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)] === [2024-11-19 04:16:36,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:36,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1733058687, now seen corresponding path program 1 times [2024-11-19 04:16:36,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:36,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393789763] [2024-11-19 04:16:36,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:36,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-19 04:16:37,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:37,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393789763] [2024-11-19 04:16:37,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393789763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:37,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:37,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:16:37,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167579216] [2024-11-19 04:16:37,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:37,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:16:37,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:37,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:16:37,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:37,293 INFO L87 Difference]: Start difference. First operand has 1297 states, 775 states have (on average 1.2348387096774194) internal successors, (957), 788 states have internal predecessors, (957), 447 states have call successors, (447), 73 states have call predecessors, (447), 72 states have return successors, (443), 442 states have call predecessors, (443), 443 states have call successors, (443) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 04:16:41,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:16:41,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:41,609 INFO L93 Difference]: Finished difference Result 3802 states and 5528 transitions. [2024-11-19 04:16:41,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:16:41,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 57 [2024-11-19 04:16:41,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:41,646 INFO L225 Difference]: With dead ends: 3802 [2024-11-19 04:16:41,646 INFO L226 Difference]: Without dead ends: 2507 [2024-11-19 04:16:41,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:41,660 INFO L432 NwaCegarLoop]: 1858 mSDtfsCounter, 1767 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 3654 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:41,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 3654 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 04:16:41,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2024-11-19 04:16:41,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 2503. [2024-11-19 04:16:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2503 states, 1497 states have (on average 1.2257849031396126) internal successors, (1835), 1521 states have internal predecessors, (1835), 862 states have call successors, (862), 142 states have call predecessors, (862), 141 states have return successors, (859), 857 states have call predecessors, (859), 859 states have call successors, (859) [2024-11-19 04:16:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2503 states and 3556 transitions. [2024-11-19 04:16:41,872 INFO L78 Accepts]: Start accepts. Automaton has 2503 states and 3556 transitions. Word has length 57 [2024-11-19 04:16:41,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:41,874 INFO L471 AbstractCegarLoop]: Abstraction has 2503 states and 3556 transitions. [2024-11-19 04:16:41,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 04:16:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 3556 transitions. [2024-11-19 04:16:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 04:16:41,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:41,882 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:16:41,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 04:16:41,882 INFO L396 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)] === [2024-11-19 04:16:41,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:41,883 INFO L85 PathProgramCache]: Analyzing trace with hash -2016472664, now seen corresponding path program 1 times [2024-11-19 04:16:41,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:41,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531626373] [2024-11-19 04:16:41,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:41,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-19 04:16:42,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:42,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531626373] [2024-11-19 04:16:42,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531626373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:42,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:42,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:16:42,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424451600] [2024-11-19 04:16:42,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:42,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:16:42,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:42,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:16:42,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:42,395 INFO L87 Difference]: Start difference. First operand 2503 states and 3556 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 04:16:46,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:16:46,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:46,608 INFO L93 Difference]: Finished difference Result 4738 states and 6716 transitions. [2024-11-19 04:16:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:16:46,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-19 04:16:46,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:46,622 INFO L225 Difference]: With dead ends: 4738 [2024-11-19 04:16:46,622 INFO L226 Difference]: Without dead ends: 2246 [2024-11-19 04:16:46,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:46,632 INFO L432 NwaCegarLoop]: 1859 mSDtfsCounter, 686 mSDsluCounter, 1763 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 3622 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:46,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 3622 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 04:16:46,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2024-11-19 04:16:46,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 2225. [2024-11-19 04:16:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2225 states, 1411 states have (on average 1.255846917080085) internal successors, (1772), 1446 states have internal predecessors, (1772), 676 states have call successors, (676), 136 states have call predecessors, (676), 135 states have return successors, (673), 669 states have call predecessors, (673), 673 states have call successors, (673) [2024-11-19 04:16:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 3121 transitions. [2024-11-19 04:16:46,726 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 3121 transitions. Word has length 71 [2024-11-19 04:16:46,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:46,727 INFO L471 AbstractCegarLoop]: Abstraction has 2225 states and 3121 transitions. [2024-11-19 04:16:46,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 04:16:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 3121 transitions. [2024-11-19 04:16:46,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-19 04:16:46,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:46,733 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-19 04:16:46,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 04:16:46,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === 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)] === [2024-11-19 04:16:46,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:46,734 INFO L85 PathProgramCache]: Analyzing trace with hash -984391562, now seen corresponding path program 1 times [2024-11-19 04:16:46,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:46,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595133818] [2024-11-19 04:16:46,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:46,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-19 04:16:47,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:47,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595133818] [2024-11-19 04:16:47,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595133818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:47,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:47,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:16:47,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028339903] [2024-11-19 04:16:47,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:47,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:16:47,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:47,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:16:47,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:47,080 INFO L87 Difference]: Start difference. First operand 2225 states and 3121 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-19 04:16:51,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:16:51,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:51,251 INFO L93 Difference]: Finished difference Result 5679 states and 7987 transitions. [2024-11-19 04:16:51,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:16:51,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 109 [2024-11-19 04:16:51,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:51,276 INFO L225 Difference]: With dead ends: 5679 [2024-11-19 04:16:51,276 INFO L226 Difference]: Without dead ends: 3905 [2024-11-19 04:16:51,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:51,288 INFO L432 NwaCegarLoop]: 2424 mSDtfsCounter, 1764 mSDsluCounter, 1798 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 4222 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:51,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 4222 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-19 04:16:51,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3905 states. [2024-11-19 04:16:51,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3905 to 3887. [2024-11-19 04:16:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3887 states, 2444 states have (on average 1.2532733224222585) internal successors, (3063), 2498 states have internal predecessors, (3063), 1205 states have call successors, (1205), 236 states have call predecessors, (1205), 235 states have return successors, (1202), 1197 states have call predecessors, (1202), 1202 states have call successors, (1202) [2024-11-19 04:16:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3887 states to 3887 states and 5470 transitions. [2024-11-19 04:16:51,491 INFO L78 Accepts]: Start accepts. Automaton has 3887 states and 5470 transitions. Word has length 109 [2024-11-19 04:16:51,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:51,492 INFO L471 AbstractCegarLoop]: Abstraction has 3887 states and 5470 transitions. [2024-11-19 04:16:51,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-19 04:16:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3887 states and 5470 transitions. [2024-11-19 04:16:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-19 04:16:51,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:51,495 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-19 04:16:51,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 04:16:51,496 INFO L396 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)] === [2024-11-19 04:16:51,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:51,496 INFO L85 PathProgramCache]: Analyzing trace with hash -561689736, now seen corresponding path program 1 times [2024-11-19 04:16:51,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:51,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346978666] [2024-11-19 04:16:51,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:51,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-19 04:16:52,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:52,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346978666] [2024-11-19 04:16:52,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346978666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:52,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:52,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:16:52,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397193273] [2024-11-19 04:16:52,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:52,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:16:52,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:52,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:16:52,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:16:52,022 INFO L87 Difference]: Start difference. First operand 3887 states and 5470 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 04:16:52,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:52,188 INFO L93 Difference]: Finished difference Result 3893 states and 5475 transitions. [2024-11-19 04:16:52,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:16:52,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-19 04:16:52,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:52,209 INFO L225 Difference]: With dead ends: 3893 [2024-11-19 04:16:52,209 INFO L226 Difference]: Without dead ends: 3891 [2024-11-19 04:16:52,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 04:16:52,212 INFO L432 NwaCegarLoop]: 1821 mSDtfsCounter, 1789 mSDsluCounter, 3633 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 5454 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:52,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1790 Valid, 5454 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 04:16:52,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3891 states. [2024-11-19 04:16:52,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3891 to 3891. [2024-11-19 04:16:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3891 states, 2447 states have (on average 1.2529628116060483) internal successors, (3066), 2501 states have internal predecessors, (3066), 1205 states have call successors, (1205), 237 states have call predecessors, (1205), 236 states have return successors, (1202), 1197 states have call predecessors, (1202), 1202 states have call successors, (1202) [2024-11-19 04:16:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3891 states to 3891 states and 5473 transitions. [2024-11-19 04:16:52,415 INFO L78 Accepts]: Start accepts. Automaton has 3891 states and 5473 transitions. Word has length 109 [2024-11-19 04:16:52,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:52,416 INFO L471 AbstractCegarLoop]: Abstraction has 3891 states and 5473 transitions. [2024-11-19 04:16:52,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 04:16:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 3891 states and 5473 transitions. [2024-11-19 04:16:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 04:16:52,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:52,418 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 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] [2024-11-19 04:16:52,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 04:16:52,418 INFO L396 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)] === [2024-11-19 04:16:52,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:52,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1262873906, now seen corresponding path program 1 times [2024-11-19 04:16:52,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:52,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102112017] [2024-11-19 04:16:52,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:52,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:52,889 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-19 04:16:52,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:52,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102112017] [2024-11-19 04:16:52,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102112017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:52,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:52,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:16:52,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617010424] [2024-11-19 04:16:52,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:52,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:16:52,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:52,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:16:52,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:16:52,892 INFO L87 Difference]: Start difference. First operand 3891 states and 5473 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-19 04:16:53,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:53,053 INFO L93 Difference]: Finished difference Result 3897 states and 5478 transitions. [2024-11-19 04:16:53,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:16:53,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 114 [2024-11-19 04:16:53,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:53,081 INFO L225 Difference]: With dead ends: 3897 [2024-11-19 04:16:53,081 INFO L226 Difference]: Without dead ends: 3895 [2024-11-19 04:16:53,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 04:16:53,087 INFO L432 NwaCegarLoop]: 1824 mSDtfsCounter, 1785 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:53,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 5458 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 04:16:53,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3895 states. [2024-11-19 04:16:53,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3895 to 3895. [2024-11-19 04:16:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3895 states, 2450 states have (on average 1.2526530612244897) internal successors, (3069), 2504 states have internal predecessors, (3069), 1205 states have call successors, (1205), 238 states have call predecessors, (1205), 237 states have return successors, (1202), 1197 states have call predecessors, (1202), 1202 states have call successors, (1202) [2024-11-19 04:16:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3895 states and 5476 transitions. [2024-11-19 04:16:53,314 INFO L78 Accepts]: Start accepts. Automaton has 3895 states and 5476 transitions. Word has length 114 [2024-11-19 04:16:53,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:53,315 INFO L471 AbstractCegarLoop]: Abstraction has 3895 states and 5476 transitions. [2024-11-19 04:16:53,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-19 04:16:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 3895 states and 5476 transitions. [2024-11-19 04:16:53,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-19 04:16:53,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:53,317 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:16:53,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 04:16:53,317 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-19 04:16:53,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:53,318 INFO L85 PathProgramCache]: Analyzing trace with hash 657233649, now seen corresponding path program 1 times [2024-11-19 04:16:53,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:53,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821769355] [2024-11-19 04:16:53,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:53,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-19 04:16:53,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:53,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821769355] [2024-11-19 04:16:53,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821769355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:53,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:53,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:16:53,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758443590] [2024-11-19 04:16:53,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:53,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:16:53,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:53,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:16:53,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:53,692 INFO L87 Difference]: Start difference. First operand 3895 states and 5476 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-19 04:16:57,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:16:58,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:58,022 INFO L93 Difference]: Finished difference Result 10872 states and 15268 transitions. [2024-11-19 04:16:58,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:16:58,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 126 [2024-11-19 04:16:58,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:58,071 INFO L225 Difference]: With dead ends: 10872 [2024-11-19 04:16:58,072 INFO L226 Difference]: Without dead ends: 6988 [2024-11-19 04:16:58,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:58,094 INFO L432 NwaCegarLoop]: 2156 mSDtfsCounter, 1705 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 3960 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:58,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 3960 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 04:16:58,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6988 states. [2024-11-19 04:16:58,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6988 to 6949. [2024-11-19 04:16:58,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6949 states, 4346 states have (on average 1.242061665899678) internal successors, (5398), 4431 states have internal predecessors, (5398), 2168 states have call successors, (2168), 433 states have call predecessors, (2168), 432 states have return successors, (2177), 2155 states have call predecessors, (2177), 2165 states have call successors, (2177) [2024-11-19 04:16:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6949 states to 6949 states and 9743 transitions. [2024-11-19 04:16:58,541 INFO L78 Accepts]: Start accepts. Automaton has 6949 states and 9743 transitions. Word has length 126 [2024-11-19 04:16:58,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:58,542 INFO L471 AbstractCegarLoop]: Abstraction has 6949 states and 9743 transitions. [2024-11-19 04:16:58,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-19 04:16:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 6949 states and 9743 transitions. [2024-11-19 04:16:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 04:16:58,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:58,546 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 04:16:58,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 04:16:58,546 INFO L396 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)] === [2024-11-19 04:16:58,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:58,547 INFO L85 PathProgramCache]: Analyzing trace with hash -968390408, now seen corresponding path program 1 times [2024-11-19 04:16:58,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:58,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850638414] [2024-11-19 04:16:58,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:58,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:59,035 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-19 04:16:59,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:59,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850638414] [2024-11-19 04:16:59,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850638414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:59,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:59,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:16:59,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007888267] [2024-11-19 04:16:59,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:59,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:16:59,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:59,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:16:59,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:16:59,037 INFO L87 Difference]: Start difference. First operand 6949 states and 9743 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-19 04:16:59,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:59,329 INFO L93 Difference]: Finished difference Result 6955 states and 9748 transitions. [2024-11-19 04:16:59,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:16:59,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2024-11-19 04:16:59,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:59,380 INFO L225 Difference]: With dead ends: 6955 [2024-11-19 04:16:59,380 INFO L226 Difference]: Without dead ends: 6953 [2024-11-19 04:16:59,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 04:16:59,387 INFO L432 NwaCegarLoop]: 1824 mSDtfsCounter, 1784 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:59,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 5458 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 04:16:59,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6953 states. [2024-11-19 04:16:59,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6953 to 6953. [2024-11-19 04:16:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6953 states, 4349 states have (on average 1.2418946884341229) internal successors, (5401), 4434 states have internal predecessors, (5401), 2168 states have call successors, (2168), 434 states have call predecessors, (2168), 433 states have return successors, (2177), 2155 states have call predecessors, (2177), 2165 states have call successors, (2177) [2024-11-19 04:16:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6953 states to 6953 states and 9746 transitions. [2024-11-19 04:16:59,770 INFO L78 Accepts]: Start accepts. Automaton has 6953 states and 9746 transitions. Word has length 119 [2024-11-19 04:16:59,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:59,771 INFO L471 AbstractCegarLoop]: Abstraction has 6953 states and 9746 transitions. [2024-11-19 04:16:59,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-19 04:16:59,771 INFO L276 IsEmpty]: Start isEmpty. Operand 6953 states and 9746 transitions. [2024-11-19 04:16:59,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 04:16:59,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:59,776 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 04:16:59,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 04:16:59,776 INFO L396 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)] === [2024-11-19 04:16:59,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:59,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1216115918, now seen corresponding path program 1 times [2024-11-19 04:16:59,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:59,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565622141] [2024-11-19 04:16:59,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:59,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:17:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-19 04:17:00,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:17:00,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565622141] [2024-11-19 04:17:00,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565622141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:17:00,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:17:00,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:17:00,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793493717] [2024-11-19 04:17:00,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:17:00,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:17:00,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:17:00,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:17:00,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:17:00,267 INFO L87 Difference]: Start difference. First operand 6953 states and 9746 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 04:17:00,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:17:00,654 INFO L93 Difference]: Finished difference Result 7204 states and 9959 transitions. [2024-11-19 04:17:00,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:17:00,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2024-11-19 04:17:00,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:17:00,690 INFO L225 Difference]: With dead ends: 7204 [2024-11-19 04:17:00,691 INFO L226 Difference]: Without dead ends: 7202 [2024-11-19 04:17:00,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 04:17:00,700 INFO L432 NwaCegarLoop]: 1822 mSDtfsCounter, 1736 mSDsluCounter, 3693 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 5515 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:17:00,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 5515 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 04:17:00,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7202 states. [2024-11-19 04:17:01,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7202 to 7200. [2024-11-19 04:17:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7200 states, 4514 states have (on average 1.235046521931768) internal successors, (5575), 4599 states have internal predecessors, (5575), 2186 states have call successors, (2186), 498 states have call predecessors, (2186), 497 states have return successors, (2195), 2173 states have call predecessors, (2195), 2183 states have call successors, (2195) [2024-11-19 04:17:01,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7200 states to 7200 states and 9956 transitions. [2024-11-19 04:17:01,168 INFO L78 Accepts]: Start accepts. Automaton has 7200 states and 9956 transitions. Word has length 124 [2024-11-19 04:17:01,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:17:01,169 INFO L471 AbstractCegarLoop]: Abstraction has 7200 states and 9956 transitions. [2024-11-19 04:17:01,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 04:17:01,170 INFO L276 IsEmpty]: Start isEmpty. Operand 7200 states and 9956 transitions. [2024-11-19 04:17:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-19 04:17:01,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:17:01,175 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-19 04:17:01,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 04:17:01,176 INFO L396 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)] === [2024-11-19 04:17:01,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:17:01,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1995216504, now seen corresponding path program 1 times [2024-11-19 04:17:01,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:17:01,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102633677] [2024-11-19 04:17:01,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:17:01,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:17:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:17:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-19 04:17:01,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:17:01,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102633677] [2024-11-19 04:17:01,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102633677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:17:01,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:17:01,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:17:01,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490833510] [2024-11-19 04:17:01,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:17:01,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:17:01,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:17:01,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:17:01,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:17:01,692 INFO L87 Difference]: Start difference. First operand 7200 states and 9956 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 04:17:02,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:17:02,004 INFO L93 Difference]: Finished difference Result 7206 states and 9961 transitions. [2024-11-19 04:17:02,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:17:02,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 129 [2024-11-19 04:17:02,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:17:02,040 INFO L225 Difference]: With dead ends: 7206 [2024-11-19 04:17:02,040 INFO L226 Difference]: Without dead ends: 7204 [2024-11-19 04:17:02,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 04:17:02,048 INFO L432 NwaCegarLoop]: 1824 mSDtfsCounter, 1782 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:17:02,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1783 Valid, 5458 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 04:17:02,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7204 states. [2024-11-19 04:17:02,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7204 to 7204. [2024-11-19 04:17:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7204 states, 4517 states have (on average 1.2348904139915873) internal successors, (5578), 4602 states have internal predecessors, (5578), 2186 states have call successors, (2186), 499 states have call predecessors, (2186), 498 states have return successors, (2195), 2173 states have call predecessors, (2195), 2183 states have call successors, (2195) [2024-11-19 04:17:02,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7204 states to 7204 states and 9959 transitions. [2024-11-19 04:17:02,495 INFO L78 Accepts]: Start accepts. Automaton has 7204 states and 9959 transitions. Word has length 129 [2024-11-19 04:17:02,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:17:02,496 INFO L471 AbstractCegarLoop]: Abstraction has 7204 states and 9959 transitions. [2024-11-19 04:17:02,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-19 04:17:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 7204 states and 9959 transitions. [2024-11-19 04:17:02,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-19 04:17:02,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:17:02,499 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2024-11-19 04:17:02,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 04:17:02,499 INFO L396 AbstractCegarLoop]: === Iteration 10 === 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)] === [2024-11-19 04:17:02,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:17:02,500 INFO L85 PathProgramCache]: Analyzing trace with hash -94888506, now seen corresponding path program 1 times [2024-11-19 04:17:02,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:17:02,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427567207] [2024-11-19 04:17:02,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:17:02,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:17:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:17:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 04:17:02,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:17:02,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427567207] [2024-11-19 04:17:02,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427567207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:17:02,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:17:02,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:17:02,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289088289] [2024-11-19 04:17:02,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:17:02,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:17:02,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:17:02,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:17:02,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:17:02,921 INFO L87 Difference]: Start difference. First operand 7204 states and 9959 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-19 04:17:06,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:17:07,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:17:07,632 INFO L93 Difference]: Finished difference Result 18524 states and 25581 transitions. [2024-11-19 04:17:07,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:17:07,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 141 [2024-11-19 04:17:07,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:17:07,691 INFO L225 Difference]: With dead ends: 18524 [2024-11-19 04:17:07,692 INFO L226 Difference]: Without dead ends: 11331 [2024-11-19 04:17:07,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:17:07,724 INFO L432 NwaCegarLoop]: 2159 mSDtfsCounter, 1459 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 3963 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:17:07,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 3963 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 04:17:07,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11331 states. [2024-11-19 04:17:08,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11331 to 11276. [2024-11-19 04:17:08,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11276 states, 6921 states have (on average 1.2069065163993642) internal successors, (8353), 7019 states have internal predecessors, (8353), 3576 states have call successors, (3576), 781 states have call predecessors, (3576), 776 states have return successors, (3613), 3547 states have call predecessors, (3613), 3573 states have call successors, (3613) [2024-11-19 04:17:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11276 states to 11276 states and 15542 transitions. [2024-11-19 04:17:08,380 INFO L78 Accepts]: Start accepts. Automaton has 11276 states and 15542 transitions. Word has length 141 [2024-11-19 04:17:08,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:17:08,381 INFO L471 AbstractCegarLoop]: Abstraction has 11276 states and 15542 transitions. [2024-11-19 04:17:08,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-19 04:17:08,381 INFO L276 IsEmpty]: Start isEmpty. Operand 11276 states and 15542 transitions. [2024-11-19 04:17:08,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-19 04:17:08,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:17:08,384 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-19 04:17:08,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 04:17:08,384 INFO L396 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)] === [2024-11-19 04:17:08,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:17:08,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1084098254, now seen corresponding path program 1 times [2024-11-19 04:17:08,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:17:08,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865749074] [2024-11-19 04:17:08,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:17:08,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:17:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:17:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-19 04:17:08,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:17:08,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865749074] [2024-11-19 04:17:08,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865749074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:17:08,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:17:08,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:17:08,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610265631] [2024-11-19 04:17:08,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:17:08,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:17:08,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:17:08,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:17:08,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:17:08,833 INFO L87 Difference]: Start difference. First operand 11276 states and 15542 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 04:17:09,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:17:09,356 INFO L93 Difference]: Finished difference Result 12252 states and 16646 transitions. [2024-11-19 04:17:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:17:09,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2024-11-19 04:17:09,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:17:09,407 INFO L225 Difference]: With dead ends: 12252 [2024-11-19 04:17:09,407 INFO L226 Difference]: Without dead ends: 12250 [2024-11-19 04:17:09,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 04:17:09,414 INFO L432 NwaCegarLoop]: 1858 mSDtfsCounter, 1610 mSDsluCounter, 3994 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1611 SdHoareTripleChecker+Valid, 5852 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:17:09,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1611 Valid, 5852 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 04:17:09,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12250 states. [2024-11-19 04:17:10,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12250 to 12248. [2024-11-19 04:17:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12248 states, 7490 states have (on average 1.1959946595460613) internal successors, (8958), 7588 states have internal predecessors, (8958), 3824 states have call successors, (3824), 936 states have call predecessors, (3824), 931 states have return successors, (3861), 3795 states have call predecessors, (3861), 3821 states have call successors, (3861) [2024-11-19 04:17:10,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12248 states to 12248 states and 16643 transitions. [2024-11-19 04:17:10,229 INFO L78 Accepts]: Start accepts. Automaton has 12248 states and 16643 transitions. Word has length 134 [2024-11-19 04:17:10,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:17:10,229 INFO L471 AbstractCegarLoop]: Abstraction has 12248 states and 16643 transitions. [2024-11-19 04:17:10,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 04:17:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 12248 states and 16643 transitions. [2024-11-19 04:17:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-19 04:17:10,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:17:10,232 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 04:17:10,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 04:17:10,233 INFO L396 AbstractCegarLoop]: === Iteration 12 === 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)] === [2024-11-19 04:17:10,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:17:10,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1588183924, now seen corresponding path program 1 times [2024-11-19 04:17:10,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:17:10,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851531365] [2024-11-19 04:17:10,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:17:10,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:17:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:17:10,670 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-19 04:17:10,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:17:10,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851531365] [2024-11-19 04:17:10,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851531365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:17:10,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:17:10,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:17:10,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585753187] [2024-11-19 04:17:10,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:17:10,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:17:10,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:17:10,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:17:10,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:17:10,673 INFO L87 Difference]: Start difference. First operand 12248 states and 16643 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-19 04:17:14,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:17:15,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:17:15,538 INFO L93 Difference]: Finished difference Result 26963 states and 36556 transitions. [2024-11-19 04:17:15,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:17:15,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 131 [2024-11-19 04:17:15,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:17:15,602 INFO L225 Difference]: With dead ends: 26963 [2024-11-19 04:17:15,602 INFO L226 Difference]: Without dead ends: 14764 [2024-11-19 04:17:15,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:17:15,644 INFO L432 NwaCegarLoop]: 2459 mSDtfsCounter, 687 mSDsluCounter, 1749 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 4208 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:17:15,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 4208 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 04:17:15,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14764 states. [2024-11-19 04:17:16,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14764 to 14716. [2024-11-19 04:17:16,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14716 states, 9202 states have (on average 1.2043034123016736) internal successors, (11082), 9348 states have internal predecessors, (11082), 4350 states have call successors, (4350), 1166 states have call predecessors, (4350), 1161 states have return successors, (4387), 4309 states have call predecessors, (4387), 4347 states have call successors, (4387) [2024-11-19 04:17:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14716 states to 14716 states and 19819 transitions. [2024-11-19 04:17:16,409 INFO L78 Accepts]: Start accepts. Automaton has 14716 states and 19819 transitions. Word has length 131 [2024-11-19 04:17:16,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:17:16,410 INFO L471 AbstractCegarLoop]: Abstraction has 14716 states and 19819 transitions. [2024-11-19 04:17:16,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-19 04:17:16,410 INFO L276 IsEmpty]: Start isEmpty. Operand 14716 states and 19819 transitions. [2024-11-19 04:17:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-19 04:17:16,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:17:16,412 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 04:17:16,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 04:17:16,412 INFO L396 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)] === [2024-11-19 04:17:16,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:17:16,412 INFO L85 PathProgramCache]: Analyzing trace with hash -2074643557, now seen corresponding path program 1 times [2024-11-19 04:17:16,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:17:16,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818740468] [2024-11-19 04:17:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:17:16,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:17:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:17:16,817 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-19 04:17:16,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:17:16,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818740468] [2024-11-19 04:17:16,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818740468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:17:16,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:17:16,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:17:16,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455499520] [2024-11-19 04:17:16,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:17:16,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:17:16,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:17:16,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:17:16,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:17:16,819 INFO L87 Difference]: Start difference. First operand 14716 states and 19819 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 04:17:17,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:17:17,397 INFO L93 Difference]: Finished difference Result 14722 states and 19824 transitions. [2024-11-19 04:17:17,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:17:17,398 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 3 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 157 [2024-11-19 04:17:17,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:17:17,461 INFO L225 Difference]: With dead ends: 14722 [2024-11-19 04:17:17,462 INFO L226 Difference]: Without dead ends: 14718 [2024-11-19 04:17:17,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 04:17:17,470 INFO L432 NwaCegarLoop]: 1824 mSDtfsCounter, 1769 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:17:17,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1770 Valid, 5458 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 04:17:17,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14718 states. [2024-11-19 04:17:18,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14718 to 14718. [2024-11-19 04:17:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14718 states, 9204 states have (on average 1.2041503694046067) internal successors, (11083), 9349 states have internal predecessors, (11083), 4350 states have call successors, (4350), 1167 states have call predecessors, (4350), 1161 states have return successors, (4387), 4309 states have call predecessors, (4387), 4347 states have call successors, (4387) [2024-11-19 04:17:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14718 states to 14718 states and 19820 transitions. [2024-11-19 04:17:18,322 INFO L78 Accepts]: Start accepts. Automaton has 14718 states and 19820 transitions. Word has length 157 [2024-11-19 04:17:18,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:17:18,323 INFO L471 AbstractCegarLoop]: Abstraction has 14718 states and 19820 transitions. [2024-11-19 04:17:18,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 04:17:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 14718 states and 19820 transitions. [2024-11-19 04:17:18,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-19 04:17:18,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:17:18,325 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 04:17:18,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 04:17:18,325 INFO L396 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)] === [2024-11-19 04:17:18,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:17:18,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1617499915, now seen corresponding path program 1 times [2024-11-19 04:17:18,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:17:18,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127989695] [2024-11-19 04:17:18,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:17:18,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:17:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:17:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-19 04:17:18,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:17:18,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127989695] [2024-11-19 04:17:18,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127989695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:17:18,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:17:18,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:17:18,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978520538] [2024-11-19 04:17:18,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:17:18,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:17:18,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:17:18,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:17:18,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:17:18,900 INFO L87 Difference]: Start difference. First operand 14718 states and 19820 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 04:17:19,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:17:19,871 INFO L93 Difference]: Finished difference Result 14718 states and 19820 transitions. [2024-11-19 04:17:19,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:17:19,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 3 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 162 [2024-11-19 04:17:19,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:17:19,924 INFO L225 Difference]: With dead ends: 14718 [2024-11-19 04:17:19,924 INFO L226 Difference]: Without dead ends: 14499 [2024-11-19 04:17:19,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 04:17:19,934 INFO L432 NwaCegarLoop]: 1822 mSDtfsCounter, 1765 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 5454 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:17:19,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 5454 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 04:17:19,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14499 states. [2024-11-19 04:17:20,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14499 to 14499. [2024-11-19 04:17:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14499 states, 9066 states have (on average 1.201853077432164) internal successors, (10896), 9187 states have internal predecessors, (10896), 4283 states have call successors, (4283), 1152 states have call predecessors, (4283), 1148 states have return successors, (4323), 4267 states have call predecessors, (4323), 4283 states have call successors, (4323) [2024-11-19 04:17:20,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14499 states to 14499 states and 19502 transitions. [2024-11-19 04:17:20,659 INFO L78 Accepts]: Start accepts. Automaton has 14499 states and 19502 transitions. Word has length 162 [2024-11-19 04:17:20,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:17:20,660 INFO L471 AbstractCegarLoop]: Abstraction has 14499 states and 19502 transitions. [2024-11-19 04:17:20,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 04:17:20,660 INFO L276 IsEmpty]: Start isEmpty. Operand 14499 states and 19502 transitions. [2024-11-19 04:17:20,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-19 04:17:20,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:17:20,663 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:17:20,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 04:17:20,663 INFO L396 AbstractCegarLoop]: === Iteration 15 === 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)] === [2024-11-19 04:17:20,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:17:20,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1995411954, now seen corresponding path program 1 times [2024-11-19 04:17:20,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:17:20,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544350477] [2024-11-19 04:17:20,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:17:20,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:17:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:17:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-19 04:17:20,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:17:20,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544350477] [2024-11-19 04:17:20,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544350477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:17:20,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:17:20,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:17:20,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833127591] [2024-11-19 04:17:20,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:17:20,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:17:20,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:17:20,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:17:20,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:17:20,997 INFO L87 Difference]: Start difference. First operand 14499 states and 19502 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-19 04:17:25,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:17:25,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:17:25,989 INFO L93 Difference]: Finished difference Result 32373 states and 43326 transitions. [2024-11-19 04:17:25,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:17:25,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 203 [2024-11-19 04:17:25,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:17:26,106 INFO L225 Difference]: With dead ends: 32373 [2024-11-19 04:17:26,107 INFO L226 Difference]: Without dead ends: 17923 [2024-11-19 04:17:26,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:17:26,164 INFO L432 NwaCegarLoop]: 2530 mSDtfsCounter, 1481 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 3536 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:17:26,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 3536 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 04:17:26,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17923 states. [2024-11-19 04:17:27,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17923 to 17915. [2024-11-19 04:17:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17915 states, 11302 states have (on average 1.2009378870996283) internal successors, (13573), 11461 states have internal predecessors, (13573), 5083 states have call successors, (5083), 1534 states have call predecessors, (5083), 1528 states have return successors, (5123), 5063 states have call predecessors, (5123), 5083 states have call successors, (5123) [2024-11-19 04:17:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17915 states to 17915 states and 23779 transitions. [2024-11-19 04:17:27,368 INFO L78 Accepts]: Start accepts. Automaton has 17915 states and 23779 transitions. Word has length 203 [2024-11-19 04:17:27,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:17:27,368 INFO L471 AbstractCegarLoop]: Abstraction has 17915 states and 23779 transitions. [2024-11-19 04:17:27,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-19 04:17:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 17915 states and 23779 transitions. [2024-11-19 04:17:27,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-19 04:17:27,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:17:27,372 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:17:27,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 04:17:27,372 INFO L396 AbstractCegarLoop]: === Iteration 16 === 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)] === [2024-11-19 04:17:27,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:17:27,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1455549840, now seen corresponding path program 1 times [2024-11-19 04:17:27,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:17:27,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493828094] [2024-11-19 04:17:27,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:17:27,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:17:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:17:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-19 04:17:27,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:17:27,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493828094] [2024-11-19 04:17:27,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493828094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:17:27,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:17:27,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:17:27,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564082425] [2024-11-19 04:17:27,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:17:27,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:17:27,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:17:27,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:17:27,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:17:27,725 INFO L87 Difference]: Start difference. First operand 17915 states and 23779 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-19 04:17:31,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:17:33,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:17:33,083 INFO L93 Difference]: Finished difference Result 38155 states and 50632 transitions. [2024-11-19 04:17:33,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:17:33,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 203 [2024-11-19 04:17:33,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:17:33,188 INFO L225 Difference]: With dead ends: 38155 [2024-11-19 04:17:33,188 INFO L226 Difference]: Without dead ends: 20248 [2024-11-19 04:17:33,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:17:33,253 INFO L432 NwaCegarLoop]: 2425 mSDtfsCounter, 646 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 4151 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:17:33,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 4151 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 04:17:33,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20248 states. [2024-11-19 04:17:34,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20248 to 20240. [2024-11-19 04:17:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20240 states, 12907 states have (on average 1.2058572867436275) internal successors, (15564), 13106 states have internal predecessors, (15564), 5586 states have call successors, (5586), 1751 states have call predecessors, (5586), 1745 states have return successors, (5626), 5562 states have call predecessors, (5626), 5586 states have call successors, (5626) [2024-11-19 04:17:34,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20240 states to 20240 states and 26776 transitions. [2024-11-19 04:17:34,664 INFO L78 Accepts]: Start accepts. Automaton has 20240 states and 26776 transitions. Word has length 203 [2024-11-19 04:17:34,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:17:34,664 INFO L471 AbstractCegarLoop]: Abstraction has 20240 states and 26776 transitions. [2024-11-19 04:17:34,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-19 04:17:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 20240 states and 26776 transitions. [2024-11-19 04:17:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-19 04:17:34,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:17:34,668 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:17:34,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 04:17:34,668 INFO L396 AbstractCegarLoop]: === Iteration 17 === 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)] === [2024-11-19 04:17:34,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:17:34,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2114734608, now seen corresponding path program 1 times [2024-11-19 04:17:34,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:17:34,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057443653] [2024-11-19 04:17:34,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:17:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:17:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:17:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-19 04:17:35,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:17:35,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057443653] [2024-11-19 04:17:35,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057443653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:17:35,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:17:35,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:17:35,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450632420] [2024-11-19 04:17:35,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:17:35,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:17:35,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:17:35,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:17:35,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:17:35,064 INFO L87 Difference]: Start difference. First operand 20240 states and 26776 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-19 04:17:39,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:17:40,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:17:40,151 INFO L93 Difference]: Finished difference Result 42821 states and 56648 transitions. [2024-11-19 04:17:40,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:17:40,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 273 [2024-11-19 04:17:40,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:17:40,303 INFO L225 Difference]: With dead ends: 42821 [2024-11-19 04:17:40,303 INFO L226 Difference]: Without dead ends: 22644 [2024-11-19 04:17:40,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:17:40,388 INFO L432 NwaCegarLoop]: 2156 mSDtfsCounter, 646 mSDsluCounter, 1727 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 3883 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:17:40,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 3883 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 04:17:40,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22644 states. [2024-11-19 04:17:41,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22644 to 22636. [2024-11-19 04:17:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22636 states, 14571 states have (on average 1.209800288243772) internal successors, (17628), 14810 states have internal predecessors, (17628), 6096 states have call successors, (6096), 1973 states have call predecessors, (6096), 1967 states have return successors, (6136), 6068 states have call predecessors, (6136), 6096 states have call successors, (6136) [2024-11-19 04:17:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22636 states to 22636 states and 29860 transitions. [2024-11-19 04:17:41,779 INFO L78 Accepts]: Start accepts. Automaton has 22636 states and 29860 transitions. Word has length 273 [2024-11-19 04:17:41,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:17:41,780 INFO L471 AbstractCegarLoop]: Abstraction has 22636 states and 29860 transitions. [2024-11-19 04:17:41,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-19 04:17:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 22636 states and 29860 transitions. [2024-11-19 04:17:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-19 04:17:41,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:17:41,784 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:17:41,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 04:17:41,784 INFO L396 AbstractCegarLoop]: === Iteration 18 === 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)] === [2024-11-19 04:17:41,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:17:41,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1270729106, now seen corresponding path program 1 times [2024-11-19 04:17:41,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:17:41,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559309165] [2024-11-19 04:17:41,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:17:41,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:17:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:17:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-19 04:17:42,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:17:42,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559309165] [2024-11-19 04:17:42,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559309165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:17:42,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:17:42,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:17:42,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106132820] [2024-11-19 04:17:42,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:17:42,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:17:42,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:17:42,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:17:42,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:17:42,336 INFO L87 Difference]: Start difference. First operand 22636 states and 29860 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26)