./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-mutex_fs-binfmt_misc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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-mutex_fs-binfmt_misc.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 2c6afaf5bedcc2af934f5b2a4cc6fb91099717aaf97d30d9787d5c01855a1a43 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 09:24:22,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 09:24:22,995 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 09:24:23,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 09:24:23,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 09:24:23,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 09:24:23,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 09:24:23,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 09:24:23,026 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 09:24:23,026 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 09:24:23,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 09:24:23,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 09:24:23,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 09:24:23,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 09:24:23,027 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 09:24:23,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 09:24:23,028 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 09:24:23,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 09:24:23,028 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 09:24:23,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 09:24:23,029 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 09:24:23,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 09:24:23,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 09:24:23,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 09:24:23,029 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 09:24:23,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 09:24:23,029 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 2c6afaf5bedcc2af934f5b2a4cc6fb91099717aaf97d30d9787d5c01855a1a43 [2025-03-17 09:24:23,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 09:24:23,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 09:24:23,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 09:24:23,262 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 09:24:23,262 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 09:24:23,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2025-03-17 09:24:24,400 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4428c0658/196d8fb7541d4cd581ce6a3faea3f261/FLAG03ead39e8 [2025-03-17 09:24:24,891 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 09:24:24,891 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2025-03-17 09:24:24,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4428c0658/196d8fb7541d4cd581ce6a3faea3f261/FLAG03ead39e8 [2025-03-17 09:24:24,977 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4428c0658/196d8fb7541d4cd581ce6a3faea3f261 [2025-03-17 09:24:24,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 09:24:24,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 09:24:24,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 09:24:24,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 09:24:24,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 09:24:24,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 09:24:24" (1/1) ... [2025-03-17 09:24:24,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9876686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:24, skipping insertion in model container [2025-03-17 09:24:24,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 09:24:24" (1/1) ... [2025-03-17 09:24:25,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 09:24:25,938 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-mutex_fs-binfmt_misc.cil.i[193323,193336] [2025-03-17 09:24:25,941 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-mutex_fs-binfmt_misc.cil.i[193489,193502] [2025-03-17 09:24:25,943 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-mutex_fs-binfmt_misc.cil.i[193653,193666] [2025-03-17 09:24:25,943 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-mutex_fs-binfmt_misc.cil.i[193818,193831] [2025-03-17 09:24:25,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 09:24:25,992 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 09:24:26,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3689] [2025-03-17 09:24:26,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3696] [2025-03-17 09:24:26,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3721] [2025-03-17 09:24:26,224 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-mutex_fs-binfmt_misc.cil.i[193323,193336] [2025-03-17 09:24:26,228 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-mutex_fs-binfmt_misc.cil.i[193489,193502] [2025-03-17 09:24:26,228 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-mutex_fs-binfmt_misc.cil.i[193653,193666] [2025-03-17 09:24:26,228 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-mutex_fs-binfmt_misc.cil.i[193818,193831] [2025-03-17 09:24:26,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 09:24:26,279 INFO L204 MainTranslator]: Completed translation [2025-03-17 09:24:26,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26 WrapperNode [2025-03-17 09:24:26,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 09:24:26,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 09:24:26,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 09:24:26,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 09:24:26,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,404 INFO L138 Inliner]: procedures = 240, calls = 995, calls flagged for inlining = 130, calls inlined = 118, statements flattened = 3191 [2025-03-17 09:24:26,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 09:24:26,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 09:24:26,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 09:24:26,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 09:24:26,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,424 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,756 INFO L175 MemorySlicer]: Split 506 memory accesses to 27 slices as follows [1, 81, 6, 191, 64, 12, 1, 1, 7, 2, 1, 2, 3, 8, 8, 3, 7, 3, 1, 1, 2, 6, 28, 28, 23, 3, 13]. 38 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [0, 0, 0, 2, 0, 0, 0, 1, 7, 0, 1, 2, 3, 8, 8, 0, 7, 0, 1, 1, 2, 0, 0, 0, 0, 0, 0]. The 285 writes are split as follows [1, 81, 2, 75, 19, 12, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 28, 28, 23, 0, 13]. [2025-03-17 09:24:26,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,810 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 09:24:26,878 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 09:24:26,878 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 09:24:26,878 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 09:24:26,879 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (1/1) ... [2025-03-17 09:24:26,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 09:24:26,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 09:24:26,905 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) [2025-03-17 09:24:26,913 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 [2025-03-17 09:24:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2025-03-17 09:24:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2025-03-17 09:24:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 09:24:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 09:24:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 09:24:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 09:24:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 09:24:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 09:24:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 09:24:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 09:24:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 09:24:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 09:24:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-17 09:24:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2025-03-17 09:24:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2025-03-17 09:24:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-17 09:24:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2025-03-17 09:24:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2025-03-17 09:24:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2025-03-17 09:24:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2025-03-17 09:24:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2025-03-17 09:24:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2025-03-17 09:24:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 09:24:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 09:24:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 09:24:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 09:24:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 09:24:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 09:24:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 09:24:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 09:24:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-17 09:24:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-17 09:24:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-17 09:24:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2025-03-17 09:24:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2025-03-17 09:24:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2025-03-17 09:24:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2025-03-17 09:24:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2025-03-17 09:24:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-17 09:24:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2025-03-17 09:24:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2025-03-17 09:24:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-17 09:24:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2025-03-17 09:24:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2025-03-17 09:24:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-17 09:24:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-17 09:24:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-17 09:24:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-17 09:24:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-17 09:24:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-17 09:24:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-17 09:24:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-17 09:24:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-17 09:24:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-17 09:24:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2025-03-17 09:24:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2025-03-17 09:24:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2025-03-17 09:24:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-17 09:24:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-03-17 09:24:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-17 09:24:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-17 09:24:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2025-03-17 09:24:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-17 09:24:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-17 09:24:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-17 09:24:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-17 09:24:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2025-03-17 09:24:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2025-03-17 09:24:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2025-03-17 09:24:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2025-03-17 09:24:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2025-03-17 09:24:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2025-03-17 09:24:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-17 09:24:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-17 09:24:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-03-17 09:24:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-03-17 09:24:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2025-03-17 09:24:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2025-03-17 09:24:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-17 09:24:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-17 09:24:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2025-03-17 09:24:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2025-03-17 09:24:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 09:24:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 09:24:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-17 09:24:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2025-03-17 09:24:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-17 09:24:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-17 09:24:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-17 09:24:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2025-03-17 09:24:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2025-03-17 09:24:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2025-03-17 09:24:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-03-17 09:24:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2025-03-17 09:24:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-17 09:24:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-17 09:24:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2025-03-17 09:24:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2025-03-17 09:24:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2025-03-17 09:24:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2025-03-17 09:24:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-17 09:24:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 09:24:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 09:24:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-17 09:24:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 09:24:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2025-03-17 09:24:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2025-03-17 09:24:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-17 09:24:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-17 09:24:27,539 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 09:24:27,543 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 09:24:27,575 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-17 09:24:27,588 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: havoc #t~mem45.base, #t~mem45.offset; [2025-03-17 09:24:27,626 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7615: havoc #t~nondet587; [2025-03-17 09:24:27,629 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet607; [2025-03-17 09:24:27,741 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6740-1: ldv_unregister_filesystem_#res#1 := ldv_unregister_filesystem_~arg0#1; [2025-03-17 09:24:27,741 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7750: havoc unregister_filesystem_#t~nondet612#1; [2025-03-17 09:24:27,741 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6854-1: ldv_unregister_filesystem_20_#res#1 := ldv_unregister_filesystem_20_~ldv_func_res~1#1; [2025-03-17 09:24:27,754 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7720: havoc #t~nondet606; [2025-03-17 09:24:27,762 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7592: havoc #t~nondet585; [2025-03-17 09:24:27,842 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4494: call ULTIMATE.dealloc(~#s~2.base, ~#s~2.offset);havoc ~#s~2.base, ~#s~2.offset; [2025-03-17 09:24:28,196 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7716: havoc simple_pin_fs_#t~nondet605#1; [2025-03-17 09:24:28,197 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7618: havoc current_fs_time_#t~ret588#1.base, current_fs_time_#t~ret588#1.offset;havoc current_fs_time_#t~mem589#1;havoc current_fs_time_#t~mem590#1; [2025-03-17 09:24:28,197 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4645: call ULTIMATE.dealloc(bm_get_inode_~#tmp___1~4#1.base, bm_get_inode_~#tmp___1~4#1.offset);havoc bm_get_inode_~#tmp___1~4#1.base, bm_get_inode_~#tmp___1~4#1.offset;call ULTIMATE.dealloc(bm_get_inode_~#tmp___2~4#1.base, bm_get_inode_~#tmp___2~4#1.offset);havoc bm_get_inode_~#tmp___2~4#1.base, bm_get_inode_~#tmp___2~4#1.offset; [2025-03-17 09:24:28,197 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7685: havoc new_inode_#t~ret597#1.base, new_inode_#t~ret597#1.offset; [2025-03-17 09:24:28,197 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7676: havoc lookup_one_len_#t~ret595#1.base, lookup_one_len_#t~ret595#1.offset; [2025-03-17 09:24:28,197 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7647: havoc get_next_ino_#t~nondet592#1; [2025-03-17 09:24:28,197 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3849: havoc __kmalloc_#t~ret101#1.base, __kmalloc_#t~ret101#1.offset; [2025-03-17 09:24:28,197 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7731: havoc simple_strtoul_#t~nondet608#1; [2025-03-17 09:24:28,197 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4213: call ULTIMATE.dealloc(create_entry_~#p~2#1.base, create_entry_~#p~2#1.offset);havoc create_entry_~#p~2#1.base, create_entry_~#p~2#1.offset; [2025-03-17 09:24:28,326 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7579: havoc __get_free_pages_#t~nondet584#1; [2025-03-17 09:24:28,335 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3703: havoc #t~mem6;havoc #t~bitwise7; [2025-03-17 09:24:28,377 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3682: havoc list_empty_#t~mem5#1.base, list_empty_#t~mem5#1.offset; [2025-03-17 09:24:28,586 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7735: havoc string_unescape_#t~nondet609#1; [2025-03-17 09:24:28,588 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7628: havoc #t~nondet591; [2025-03-17 09:24:33,742 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7700: havoc register_filesystem_#t~nondet601#1; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7704: havoc remove_arg_zero_#t~nondet602#1; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7739: havoc strlcpy_#t~nondet610#1; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7608: havoc bprm_change_interp_#t~nondet586#1; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7708: havoc search_binary_handler_#t~nondet603#1; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7743: havoc sys_close_#t~nondet611#1; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7682: havoc mount_single_#t~ret596#1.base, mount_single_#t~ret596#1.offset; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7651: havoc get_unused_fd_flags_#t~nondet593#1; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6399-1: ldv_register_filesystem_#res#1 := ldv_register_filesystem_~arg0#1; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3988: call ULTIMATE.dealloc(load_misc_binary_~#iname~0#1.base, load_misc_binary_~#iname~0#1.offset);havoc load_misc_binary_~#iname~0#1.base, load_misc_binary_~#iname~0#1.offset;call ULTIMATE.dealloc(load_misc_binary_~#iname_addr~0#1.base, load_misc_binary_~#iname_addr~0#1.offset);havoc load_misc_binary_~#iname_addr~0#1.base, load_misc_binary_~#iname_addr~0#1.offset; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7689: havoc noop_llseek_#t~nondet598#1; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7658: havoc kernel_read_#t~nondet594#1; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7692: havoc open_exec_#t~ret599#1.base, open_exec_#t~ret599#1.offset; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: #t~ret614#1 := main_#res#1;havoc main_#t~ret433#1, main_~tmp~20#1;assume { :end_inline_main } true; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7696: havoc prepare_binprm_#t~nondet600#1; [2025-03-17 09:24:33,743 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6839-1: ldv_register_filesystem_19_#res#1 := ldv_register_filesystem_19_~ldv_func_res~0#1; [2025-03-17 09:24:34,213 INFO L? ?]: Removed 1158 outVars from TransFormulas that were not future-live. [2025-03-17 09:24:34,213 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 09:24:34,258 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 09:24:34,262 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 09:24:34,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 09:24:34 BoogieIcfgContainer [2025-03-17 09:24:34,263 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 09:24:34,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 09:24:34,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 09:24:34,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 09:24:34,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 09:24:24" (1/3) ... [2025-03-17 09:24:34,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d297aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 09:24:34, skipping insertion in model container [2025-03-17 09:24:34,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 09:24:26" (2/3) ... [2025-03-17 09:24:34,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d297aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 09:24:34, skipping insertion in model container [2025-03-17 09:24:34,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 09:24:34" (3/3) ... [2025-03-17 09:24:34,273 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2025-03-17 09:24:34,287 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 09:24:34,290 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i that has 77 procedures, 1087 locations, 1 initial locations, 34 loop locations, and 3 error locations. [2025-03-17 09:24:34,360 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 09:24:34,369 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;@2a04de91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 09:24:34,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-17 09:24:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 981 states, 691 states have (on average 1.361794500723589) internal successors, (941), 698 states have internal predecessors, (941), 238 states have call successors, (238), 50 states have call predecessors, (238), 49 states have return successors, (231), 231 states have call predecessors, (231), 231 states have call successors, (231) [2025-03-17 09:24:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2025-03-17 09:24:34,394 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:24:34,394 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:24:34,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:24:34,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:24:34,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1378857224, now seen corresponding path program 1 times [2025-03-17 09:24:34,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:24:34,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640905004] [2025-03-17 09:24:34,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:24:34,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:24:37,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-03-17 09:24:37,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-03-17 09:24:37,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:24:37,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:24:38,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2025-03-17 09:24:38,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:24:38,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640905004] [2025-03-17 09:24:38,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640905004] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:24:38,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:24:38,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:24:38,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187821132] [2025-03-17 09:24:38,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:24:38,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:24:38,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:24:38,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:24:38,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:24:38,152 INFO L87 Difference]: Start difference. First operand has 981 states, 691 states have (on average 1.361794500723589) internal successors, (941), 698 states have internal predecessors, (941), 238 states have call successors, (238), 50 states have call predecessors, (238), 49 states have return successors, (231), 231 states have call predecessors, (231), 231 states have call successors, (231) 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, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2025-03-17 09:24:42,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 09:24:43,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:24:43,378 INFO L93 Difference]: Finished difference Result 2763 states and 4009 transitions. [2025-03-17 09:24:43,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:24:43,379 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, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 290 [2025-03-17 09:24:43,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:24:43,397 INFO L225 Difference]: With dead ends: 2763 [2025-03-17 09:24:43,397 INFO L226 Difference]: Without dead ends: 1820 [2025-03-17 09:24:43,404 INFO L434 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 [2025-03-17 09:24:43,406 INFO L435 NwaCegarLoop]: 1401 mSDtfsCounter, 1244 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 2730 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2025-03-17 09:24:43,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 2730 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2025-03-17 09:24:43,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2025-03-17 09:24:43,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1816. [2025-03-17 09:24:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1816 states, 1306 states have (on average 1.3552833078101072) internal successors, (1770), 1319 states have internal predecessors, (1770), 413 states have call successors, (413), 95 states have call predecessors, (413), 94 states have return successors, (409), 409 states have call predecessors, (409), 409 states have call successors, (409) [2025-03-17 09:24:43,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1816 states and 2592 transitions. [2025-03-17 09:24:43,538 INFO L78 Accepts]: Start accepts. Automaton has 1816 states and 2592 transitions. Word has length 290 [2025-03-17 09:24:43,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:24:43,539 INFO L471 AbstractCegarLoop]: Abstraction has 1816 states and 2592 transitions. [2025-03-17 09:24:43,539 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, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2025-03-17 09:24:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2592 transitions. [2025-03-17 09:24:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2025-03-17 09:24:43,548 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:24:43,549 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:24:43,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 09:24:43,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:24:43,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:24:43,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1908560734, now seen corresponding path program 1 times [2025-03-17 09:24:43,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:24:43,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931414865] [2025-03-17 09:24:43,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:24:43,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:24:45,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 359 statements into 1 equivalence classes. [2025-03-17 09:24:46,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 359 of 359 statements. [2025-03-17 09:24:46,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:24:46,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:24:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2025-03-17 09:24:46,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:24:46,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931414865] [2025-03-17 09:24:46,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931414865] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:24:46,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:24:46,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:24:46,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599482974] [2025-03-17 09:24:46,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:24:46,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:24:46,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:24:46,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:24:46,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:24:46,445 INFO L87 Difference]: Start difference. First operand 1816 states and 2592 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2025-03-17 09:24:50,477 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 [] [2025-03-17 09:24:51,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:24:51,972 INFO L93 Difference]: Finished difference Result 4384 states and 6227 transitions. [2025-03-17 09:24:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:24:51,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 359 [2025-03-17 09:24:51,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:24:51,987 INFO L225 Difference]: With dead ends: 4384 [2025-03-17 09:24:51,988 INFO L226 Difference]: Without dead ends: 2617 [2025-03-17 09:24:51,993 INFO L434 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 [2025-03-17 09:24:51,994 INFO L435 NwaCegarLoop]: 1377 mSDtfsCounter, 1178 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 2695 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2025-03-17 09:24:51,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1178 Valid, 2695 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2025-03-17 09:24:51,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2025-03-17 09:24:52,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2599. [2025-03-17 09:24:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2599 states, 1893 states have (on average 1.3507659799260434) internal successors, (2557), 1915 states have internal predecessors, (2557), 559 states have call successors, (559), 145 states have call predecessors, (559), 144 states have return successors, (555), 550 states have call predecessors, (555), 555 states have call successors, (555) [2025-03-17 09:24:52,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 3671 transitions. [2025-03-17 09:24:52,100 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 3671 transitions. Word has length 359 [2025-03-17 09:24:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:24:52,101 INFO L471 AbstractCegarLoop]: Abstraction has 2599 states and 3671 transitions. [2025-03-17 09:24:52,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2025-03-17 09:24:52,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 3671 transitions. [2025-03-17 09:24:52,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2025-03-17 09:24:52,107 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:24:52,108 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:24:52,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 09:24:52,108 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:24:52,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:24:52,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1639617068, now seen corresponding path program 1 times [2025-03-17 09:24:52,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:24:52,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118374966] [2025-03-17 09:24:52,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:24:52,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:24:54,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 356 statements into 1 equivalence classes. [2025-03-17 09:24:54,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 356 of 356 statements. [2025-03-17 09:24:54,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:24:54,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:24:54,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2591 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2591 trivial. 0 not checked. [2025-03-17 09:24:54,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:24:54,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118374966] [2025-03-17 09:24:54,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118374966] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:24:54,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:24:54,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:24:54,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245944460] [2025-03-17 09:24:54,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:24:54,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:24:54,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:24:54,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:24:54,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:24:54,974 INFO L87 Difference]: Start difference. First operand 2599 states and 3671 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2025-03-17 09:24:59,003 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 [] [2025-03-17 09:25:00,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:25:00,523 INFO L93 Difference]: Finished difference Result 6166 states and 8631 transitions. [2025-03-17 09:25:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:25:00,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 356 [2025-03-17 09:25:00,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:25:00,542 INFO L225 Difference]: With dead ends: 6166 [2025-03-17 09:25:00,542 INFO L226 Difference]: Without dead ends: 3616 [2025-03-17 09:25:00,551 INFO L434 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 [2025-03-17 09:25:00,553 INFO L435 NwaCegarLoop]: 1471 mSDtfsCounter, 924 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 2789 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2025-03-17 09:25:00,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 2789 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2025-03-17 09:25:00,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3616 states. [2025-03-17 09:25:00,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3616 to 3598. [2025-03-17 09:25:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3598 states, 2629 states have (on average 1.3366298972993533) internal successors, (3514), 2662 states have internal predecessors, (3514), 738 states have call successors, (738), 229 states have call predecessors, (738), 228 states have return successors, (734), 719 states have call predecessors, (734), 734 states have call successors, (734) [2025-03-17 09:25:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3598 states and 4986 transitions. [2025-03-17 09:25:00,677 INFO L78 Accepts]: Start accepts. Automaton has 3598 states and 4986 transitions. Word has length 356 [2025-03-17 09:25:00,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:25:00,678 INFO L471 AbstractCegarLoop]: Abstraction has 3598 states and 4986 transitions. [2025-03-17 09:25:00,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2025-03-17 09:25:00,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3598 states and 4986 transitions. [2025-03-17 09:25:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2025-03-17 09:25:00,685 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:25:00,685 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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] [2025-03-17 09:25:00,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 09:25:00,685 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:25:00,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:25:00,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1924435979, now seen corresponding path program 1 times [2025-03-17 09:25:00,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:25:00,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908693563] [2025-03-17 09:25:00,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:25:00,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:25:02,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 347 statements into 1 equivalence classes. [2025-03-17 09:25:02,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 347 of 347 statements. [2025-03-17 09:25:02,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:25:02,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:25:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2025-03-17 09:25:03,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:25:03,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908693563] [2025-03-17 09:25:03,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908693563] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:25:03,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:25:03,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:25:03,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825733080] [2025-03-17 09:25:03,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:25:03,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:25:03,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:25:03,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:25:03,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:25:03,097 INFO L87 Difference]: Start difference. First operand 3598 states and 4986 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2025-03-17 09:25:07,126 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 [] [2025-03-17 09:25:08,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:25:08,376 INFO L93 Difference]: Finished difference Result 9420 states and 13099 transitions. [2025-03-17 09:25:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:25:08,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 347 [2025-03-17 09:25:08,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:25:08,404 INFO L225 Difference]: With dead ends: 9420 [2025-03-17 09:25:08,404 INFO L226 Difference]: Without dead ends: 6386 [2025-03-17 09:25:08,414 INFO L434 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 [2025-03-17 09:25:08,415 INFO L435 NwaCegarLoop]: 2560 mSDtfsCounter, 1208 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 3894 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-03-17 09:25:08,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 3894 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2025-03-17 09:25:08,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6386 states. [2025-03-17 09:25:08,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6386 to 6382. [2025-03-17 09:25:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6382 states, 4696 states have (on average 1.3387989778534923) internal successors, (6287), 4741 states have internal predecessors, (6287), 1281 states have call successors, (1281), 403 states have call predecessors, (1281), 402 states have return successors, (1277), 1262 states have call predecessors, (1277), 1277 states have call successors, (1277) [2025-03-17 09:25:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6382 states to 6382 states and 8845 transitions. [2025-03-17 09:25:08,594 INFO L78 Accepts]: Start accepts. Automaton has 6382 states and 8845 transitions. Word has length 347 [2025-03-17 09:25:08,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:25:08,596 INFO L471 AbstractCegarLoop]: Abstraction has 6382 states and 8845 transitions. [2025-03-17 09:25:08,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2025-03-17 09:25:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 6382 states and 8845 transitions. [2025-03-17 09:25:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2025-03-17 09:25:08,601 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:25:08,601 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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] [2025-03-17 09:25:08,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 09:25:08,601 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:25:08,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:25:08,602 INFO L85 PathProgramCache]: Analyzing trace with hash -962821962, now seen corresponding path program 1 times [2025-03-17 09:25:08,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:25:08,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840212824] [2025-03-17 09:25:08,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:25:08,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:25:10,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 347 statements into 1 equivalence classes. [2025-03-17 09:25:10,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 347 of 347 statements. [2025-03-17 09:25:10,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:25:10,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:25:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2025-03-17 09:25:11,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:25:11,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840212824] [2025-03-17 09:25:11,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840212824] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:25:11,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:25:11,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 09:25:11,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134737962] [2025-03-17 09:25:11,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:25:11,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 09:25:11,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:25:11,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 09:25:11,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 09:25:11,734 INFO L87 Difference]: Start difference. First operand 6382 states and 8845 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2025-03-17 09:25:12,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:25:12,658 INFO L93 Difference]: Finished difference Result 6583 states and 9044 transitions. [2025-03-17 09:25:12,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 09:25:12,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 347 [2025-03-17 09:25:12,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:25:12,687 INFO L225 Difference]: With dead ends: 6583 [2025-03-17 09:25:12,687 INFO L226 Difference]: Without dead ends: 6581 [2025-03-17 09:25:12,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 09:25:12,693 INFO L435 NwaCegarLoop]: 1365 mSDtfsCounter, 1209 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 4224 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 09:25:12,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 4224 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 09:25:12,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6581 states. [2025-03-17 09:25:12,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6581 to 6581. [2025-03-17 09:25:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6581 states, 4821 states have (on average 1.3316739265712507) internal successors, (6420), 4866 states have internal predecessors, (6420), 1313 states have call successors, (1313), 445 states have call predecessors, (1313), 444 states have return successors, (1309), 1294 states have call predecessors, (1309), 1309 states have call successors, (1309) [2025-03-17 09:25:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6581 states to 6581 states and 9042 transitions. [2025-03-17 09:25:12,896 INFO L78 Accepts]: Start accepts. Automaton has 6581 states and 9042 transitions. Word has length 347 [2025-03-17 09:25:12,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:25:12,897 INFO L471 AbstractCegarLoop]: Abstraction has 6581 states and 9042 transitions. [2025-03-17 09:25:12,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2025-03-17 09:25:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 6581 states and 9042 transitions. [2025-03-17 09:25:12,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2025-03-17 09:25:12,903 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:25:12,903 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:25:12,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 09:25:12,903 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:25:12,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:25:12,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1640193219, now seen corresponding path program 1 times [2025-03-17 09:25:12,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:25:12,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763411604] [2025-03-17 09:25:12,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:25:12,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:25:15,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 362 statements into 1 equivalence classes. [2025-03-17 09:25:15,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 362 of 362 statements. [2025-03-17 09:25:15,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:25:15,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:25:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2025-03-17 09:25:15,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:25:15,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763411604] [2025-03-17 09:25:15,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763411604] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:25:15,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:25:15,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:25:15,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160582071] [2025-03-17 09:25:15,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:25:15,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:25:15,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:25:15,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:25:15,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:25:15,575 INFO L87 Difference]: Start difference. First operand 6581 states and 9042 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2025-03-17 09:25:19,605 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 [] [2025-03-17 09:25:21,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:25:21,347 INFO L93 Difference]: Finished difference Result 17874 states and 24503 transitions. [2025-03-17 09:25:21,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:25:21,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 362 [2025-03-17 09:25:21,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:25:21,497 INFO L225 Difference]: With dead ends: 17874 [2025-03-17 09:25:21,497 INFO L226 Difference]: Without dead ends: 11342 [2025-03-17 09:25:21,537 INFO L434 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 [2025-03-17 09:25:21,541 INFO L435 NwaCegarLoop]: 1530 mSDtfsCounter, 1180 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 2848 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2025-03-17 09:25:21,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 2848 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2025-03-17 09:25:21,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11342 states. [2025-03-17 09:25:22,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11342 to 11320. [2025-03-17 09:25:22,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11320 states, 8377 states have (on average 1.3252954518323983) internal successors, (11102), 8461 states have internal predecessors, (11102), 2163 states have call successors, (2163), 778 states have call predecessors, (2163), 777 states have return successors, (2159), 2124 states have call predecessors, (2159), 2159 states have call successors, (2159) [2025-03-17 09:25:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11320 states to 11320 states and 15424 transitions. [2025-03-17 09:25:22,087 INFO L78 Accepts]: Start accepts. Automaton has 11320 states and 15424 transitions. Word has length 362 [2025-03-17 09:25:22,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:25:22,088 INFO L471 AbstractCegarLoop]: Abstraction has 11320 states and 15424 transitions. [2025-03-17 09:25:22,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2025-03-17 09:25:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 11320 states and 15424 transitions. [2025-03-17 09:25:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2025-03-17 09:25:22,100 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:25:22,100 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:25:22,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 09:25:22,101 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:25:22,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:25:22,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1132877805, now seen corresponding path program 1 times [2025-03-17 09:25:22,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:25:22,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982220490] [2025-03-17 09:25:22,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:25:22,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:25:24,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 352 statements into 1 equivalence classes. [2025-03-17 09:25:24,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 352 of 352 statements. [2025-03-17 09:25:24,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:25:24,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:25:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2025-03-17 09:25:25,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:25:25,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982220490] [2025-03-17 09:25:25,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982220490] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:25:25,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:25:25,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 09:25:25,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826343766] [2025-03-17 09:25:25,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:25:25,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 09:25:25,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:25:25,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 09:25:25,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 09:25:25,711 INFO L87 Difference]: Start difference. First operand 11320 states and 15424 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-03-17 09:25:26,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:25:26,651 INFO L93 Difference]: Finished difference Result 11326 states and 15429 transitions. [2025-03-17 09:25:26,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 09:25:26,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 352 [2025-03-17 09:25:26,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:25:26,695 INFO L225 Difference]: With dead ends: 11326 [2025-03-17 09:25:26,695 INFO L226 Difference]: Without dead ends: 11322 [2025-03-17 09:25:26,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 09:25:26,703 INFO L435 NwaCegarLoop]: 1367 mSDtfsCounter, 1297 mSDsluCounter, 2725 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 4092 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 09:25:26,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 4092 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 09:25:26,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11322 states. [2025-03-17 09:25:26,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11322 to 11322. [2025-03-17 09:25:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11322 states, 8379 states have (on average 1.3250984604368063) internal successors, (11103), 8462 states have internal predecessors, (11103), 2163 states have call successors, (2163), 779 states have call predecessors, (2163), 777 states have return successors, (2159), 2124 states have call predecessors, (2159), 2159 states have call successors, (2159) [2025-03-17 09:25:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11322 states to 11322 states and 15425 transitions. [2025-03-17 09:25:27,047 INFO L78 Accepts]: Start accepts. Automaton has 11322 states and 15425 transitions. Word has length 352 [2025-03-17 09:25:27,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:25:27,049 INFO L471 AbstractCegarLoop]: Abstraction has 11322 states and 15425 transitions. [2025-03-17 09:25:27,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-03-17 09:25:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 11322 states and 15425 transitions. [2025-03-17 09:25:27,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2025-03-17 09:25:27,052 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:25:27,052 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:25:27,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 09:25:27,052 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:25:27,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:25:27,053 INFO L85 PathProgramCache]: Analyzing trace with hash 933321472, now seen corresponding path program 1 times [2025-03-17 09:25:27,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:25:27,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937391068] [2025-03-17 09:25:27,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:25:27,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:25:29,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 364 statements into 1 equivalence classes. [2025-03-17 09:25:29,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 364 of 364 statements. [2025-03-17 09:25:29,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:25:29,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:25:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2834 trivial. 0 not checked. [2025-03-17 09:25:29,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:25:29,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937391068] [2025-03-17 09:25:29,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937391068] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:25:29,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:25:29,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:25:29,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698935317] [2025-03-17 09:25:29,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:25:29,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:25:29,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:25:29,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:25:29,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:25:29,812 INFO L87 Difference]: Start difference. First operand 11322 states and 15425 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-03-17 09:25:33,840 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 [] [2025-03-17 09:25:35,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:25:35,386 INFO L93 Difference]: Finished difference Result 27599 states and 37647 transitions. [2025-03-17 09:25:35,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 09:25:35,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 364 [2025-03-17 09:25:35,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:25:35,440 INFO L225 Difference]: With dead ends: 27599 [2025-03-17 09:25:35,440 INFO L226 Difference]: Without dead ends: 16603 [2025-03-17 09:25:35,473 INFO L434 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 [2025-03-17 09:25:35,476 INFO L435 NwaCegarLoop]: 2561 mSDtfsCounter, 1222 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1222 SdHoareTripleChecker+Valid, 3897 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-03-17 09:25:35,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1222 Valid, 3897 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2025-03-17 09:25:35,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16603 states. [2025-03-17 09:25:35,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16603 to 16584. [2025-03-17 09:25:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16584 states, 12308 states have (on average 1.3251543711407214) internal successors, (16310), 12413 states have internal predecessors, (16310), 3133 states have call successors, (3133), 1142 states have call predecessors, (3133), 1140 states have return successors, (3129), 3094 states have call predecessors, (3129), 3129 states have call successors, (3129) [2025-03-17 09:25:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16584 states to 16584 states and 22572 transitions. [2025-03-17 09:25:35,930 INFO L78 Accepts]: Start accepts. Automaton has 16584 states and 22572 transitions. Word has length 364 [2025-03-17 09:25:35,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:25:35,932 INFO L471 AbstractCegarLoop]: Abstraction has 16584 states and 22572 transitions. [2025-03-17 09:25:35,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-03-17 09:25:35,932 INFO L276 IsEmpty]: Start isEmpty. Operand 16584 states and 22572 transitions. [2025-03-17 09:25:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2025-03-17 09:25:35,935 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:25:35,935 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:25:35,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 09:25:35,935 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:25:35,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:25:35,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1343728810, now seen corresponding path program 1 times [2025-03-17 09:25:35,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:25:35,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86841582] [2025-03-17 09:25:35,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:25:35,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:25:38,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 357 statements into 1 equivalence classes. [2025-03-17 09:25:38,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 357 of 357 statements. [2025-03-17 09:25:38,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:25:38,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:25:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2834 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2025-03-17 09:25:39,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:25:39,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86841582] [2025-03-17 09:25:39,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86841582] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:25:39,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:25:39,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 09:25:39,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705003065] [2025-03-17 09:25:39,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:25:39,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 09:25:39,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:25:39,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 09:25:39,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 09:25:39,451 INFO L87 Difference]: Start difference. First operand 16584 states and 22572 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2025-03-17 09:25:40,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 09:25:40,411 INFO L93 Difference]: Finished difference Result 16584 states and 22572 transitions. [2025-03-17 09:25:40,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 09:25:40,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 357 [2025-03-17 09:25:40,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 09:25:40,474 INFO L225 Difference]: With dead ends: 16584 [2025-03-17 09:25:40,475 INFO L226 Difference]: Without dead ends: 16106 [2025-03-17 09:25:40,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 09:25:40,487 INFO L435 NwaCegarLoop]: 1365 mSDtfsCounter, 1293 mSDsluCounter, 2723 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 4088 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 09:25:40,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 4088 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 09:25:40,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16106 states. [2025-03-17 09:25:40,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16106 to 16106. [2025-03-17 09:25:40,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16106 states, 11953 states have (on average 1.3262779218606207) internal successors, (15853), 12034 states have internal predecessors, (15853), 3040 states have call successors, (3040), 1111 states have call predecessors, (3040), 1111 states have return successors, (3040), 3026 states have call predecessors, (3040), 3040 states have call successors, (3040) [2025-03-17 09:25:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16106 states to 16106 states and 21933 transitions. [2025-03-17 09:25:40,981 INFO L78 Accepts]: Start accepts. Automaton has 16106 states and 21933 transitions. Word has length 357 [2025-03-17 09:25:40,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 09:25:40,982 INFO L471 AbstractCegarLoop]: Abstraction has 16106 states and 21933 transitions. [2025-03-17 09:25:40,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2025-03-17 09:25:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 16106 states and 21933 transitions. [2025-03-17 09:25:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2025-03-17 09:25:40,994 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 09:25:40,994 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 09:25:40,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 09:25:40,995 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-17 09:25:40,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 09:25:40,995 INFO L85 PathProgramCache]: Analyzing trace with hash -16393371, now seen corresponding path program 1 times [2025-03-17 09:25:40,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 09:25:40,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527075142] [2025-03-17 09:25:40,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 09:25:40,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 09:25:43,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 462 statements into 1 equivalence classes. [2025-03-17 09:25:43,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 462 of 462 statements. [2025-03-17 09:25:43,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 09:25:43,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 09:25:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3253 trivial. 0 not checked. [2025-03-17 09:25:43,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 09:25:43,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527075142] [2025-03-17 09:25:43,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527075142] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 09:25:43,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 09:25:43,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 09:25:43,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680275632] [2025-03-17 09:25:43,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 09:25:43,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 09:25:43,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 09:25:43,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 09:25:43,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 09:25:43,594 INFO L87 Difference]: Start difference. First operand 16106 states and 21933 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2025-03-17 09:25:47,628 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 []