./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 798a7b37 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-?-798a7b3-m [2025-03-04 05:05:08,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 05:05:08,945 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 05:05:08,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 05:05:08,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 05:05:08,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 05:05:08,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 05:05:08,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 05:05:08,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 05:05:08,965 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 05:05:08,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 05:05:08,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 05:05:08,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 05:05:08,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 05:05:08,966 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 05:05:08,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 05:05:08,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 05:05:08,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 05:05:08,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 05:05:08,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 05:05:08,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 05:05:08,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 05:05:08,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 05:05:08,966 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 05:05:08,966 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 05:05:08,967 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 05:05:08,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 05:05:08,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 05:05:08,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 05:05:08,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:05:08,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 05:05:08,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 05:05:08,967 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 05:05:08,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 05:05:08,967 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 05:05:08,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 05:05:08,968 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 05:05:08,968 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 05:05:08,968 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 05:05:08,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 05:05:08,968 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 [2025-03-04 05:05:09,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 05:05:09,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 05:05:09,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 05:05:09,189 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 05:05:09,190 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 05:05:09,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2025-03-04 05:05:10,327 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a30755880/7b82a7f2b09e45ddb63b7bd0e1e2d6ea/FLAG8486e977b [2025-03-04 05:05:10,717 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 05:05:10,717 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2025-03-04 05:05:10,743 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a30755880/7b82a7f2b09e45ddb63b7bd0e1e2d6ea/FLAG8486e977b [2025-03-04 05:05:10,891 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a30755880/7b82a7f2b09e45ddb63b7bd0e1e2d6ea [2025-03-04 05:05:10,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 05:05:10,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 05:05:10,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 05:05:10,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 05:05:10,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 05:05:10,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:05:10" (1/1) ... [2025-03-04 05:05:10,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddbd360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:10, skipping insertion in model container [2025-03-04 05:05:10,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:05:10" (1/1) ... [2025-03-04 05:05:10,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 05:05:11,862 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] [2025-03-04 05:05:11,866 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] [2025-03-04 05:05:11,867 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] [2025-03-04 05:05:11,868 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] [2025-03-04 05:05:11,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:05:11,913 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 05:05:11,991 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] [2025-03-04 05:05:11,992 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] [2025-03-04 05:05:11,994 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] [2025-03-04 05:05:12,132 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] [2025-03-04 05:05:12,134 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] [2025-03-04 05:05:12,134 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] [2025-03-04 05:05:12,134 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] [2025-03-04 05:05:12,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:05:12,186 INFO L204 MainTranslator]: Completed translation [2025-03-04 05:05:12,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12 WrapperNode [2025-03-04 05:05:12,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 05:05:12,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 05:05:12,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 05:05:12,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 05:05:12,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,306 INFO L138 Inliner]: procedures = 240, calls = 995, calls flagged for inlining = 130, calls inlined = 118, statements flattened = 3191 [2025-03-04 05:05:12,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 05:05:12,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 05:05:12,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 05:05:12,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 05:05:12,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,338 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,726 INFO L175 MemorySlicer]: Split 506 memory accesses to 27 slices as follows [6, 81, 3, 64, 1, 2, 3, 3, 8, 7, 8, 13, 7, 1, 12, 1, 2, 191, 1, 6, 28, 28, 3, 23, 1, 2, 1]. 38 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [0, 0, 0, 0, 0, 2, 0, 3, 8, 7, 8, 0, 7, 1, 0, 1, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 1]. The 285 writes are split as follows [2, 81, 0, 19, 1, 0, 0, 0, 0, 0, 0, 13, 0, 0, 12, 0, 0, 75, 0, 2, 28, 28, 0, 23, 1, 0, 0]. [2025-03-04 05:05:12,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,798 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 05:05:12,885 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 05:05:12,885 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 05:05:12,885 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 05:05:12,886 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (1/1) ... [2025-03-04 05:05:12,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:05:12,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 05:05:12,923 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) [2025-03-04 05:05:12,932 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 [2025-03-04 05:05:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2025-03-04 05:05:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2025-03-04 05:05:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 05:05:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 05:05:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 05:05:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 05:05:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 05:05:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 05:05:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 05:05:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 05:05:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 05:05:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 05:05:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 05:05:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 05:05:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 05:05:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 05:05:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-04 05:05:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-04 05:05:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-04 05:05:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-04 05:05:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-04 05:05:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 05:05:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2025-03-04 05:05:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2025-03-04 05:05:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 05:05:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2025-03-04 05:05:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2025-03-04 05:05:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2025-03-04 05:05:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2025-03-04 05:05:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2025-03-04 05:05:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2025-03-04 05:05:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 05:05:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 05:05:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 05:05:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 05:05:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 05:05:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 05:05:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2025-03-04 05:05:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2025-03-04 05:05:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2025-03-04 05:05:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 05:05:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2025-03-04 05:05:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2025-03-04 05:05:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2025-03-04 05:05:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2025-03-04 05:05:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 05:05:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 05:05:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-04 05:05:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2025-03-04 05:05:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-04 05:05:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2025-03-04 05:05:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2025-03-04 05:05:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 05:05:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2025-03-04 05:05:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2025-03-04 05:05:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2025-03-04 05:05:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2025-03-04 05:05:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2025-03-04 05:05:12,970 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2025-03-04 05:05:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-04 05:05:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-04 05:05:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-03-04 05:05:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-03-04 05:05:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 05:05:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 05:05:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 05:05:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 05:05:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 05:05:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 05:05:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 05:05:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-04 05:05:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2025-03-04 05:05:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-04 05:05:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2025-03-04 05:05:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2025-03-04 05:05:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2025-03-04 05:05:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-04 05:05:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-03-04 05:05:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2025-03-04 05:05:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-04 05:05:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2025-03-04 05:05:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2025-03-04 05:05:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 05:05:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2025-03-04 05:05:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 05:05:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-04 05:05:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-04 05:05:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2025-03-04 05:05:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2025-03-04 05:05:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-03-04 05:05:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2025-03-04 05:05:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 05:05:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-04 05:05:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2025-03-04 05:05:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2025-03-04 05:05:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2025-03-04 05:05:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2025-03-04 05:05:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2025-03-04 05:05:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-04 05:05:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 05:05:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-04 05:05:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-04 05:05:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 05:05:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2025-03-04 05:05:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2025-03-04 05:05:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-04 05:05:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-04 05:05:13,525 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 05:05:13,527 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 05:05:13,543 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 05:05:13,562 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: havoc #t~mem45.base, #t~mem45.offset; [2025-03-04 05:05:13,603 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7615: havoc #t~nondet587; [2025-03-04 05:05:13,608 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet607; [2025-03-04 05:05:13,714 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6740-1: ldv_unregister_filesystem_#res#1 := ldv_unregister_filesystem_~arg0#1; [2025-03-04 05:05:13,714 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7750: havoc unregister_filesystem_#t~nondet612#1; [2025-03-04 05:05:13,714 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6854-1: ldv_unregister_filesystem_20_#res#1 := ldv_unregister_filesystem_20_~ldv_func_res~1#1; [2025-03-04 05:05:13,723 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7720: havoc #t~nondet606; [2025-03-04 05:05:13,727 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7592: havoc #t~nondet585; [2025-03-04 05:05:13,847 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4494: call ULTIMATE.dealloc(~#s~2.base, ~#s~2.offset);havoc ~#s~2.base, ~#s~2.offset; [2025-03-04 05:05:14,203 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7716: havoc simple_pin_fs_#t~nondet605#1; [2025-03-04 05:05:14,203 INFO L1325 $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; [2025-03-04 05:05:14,203 INFO L1325 $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; [2025-03-04 05:05:14,203 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7685: havoc new_inode_#t~ret597#1.base, new_inode_#t~ret597#1.offset; [2025-03-04 05:05:14,204 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7676: havoc lookup_one_len_#t~ret595#1.base, lookup_one_len_#t~ret595#1.offset; [2025-03-04 05:05:14,204 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7647: havoc get_next_ino_#t~nondet592#1; [2025-03-04 05:05:14,204 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3849: havoc __kmalloc_#t~ret101#1.base, __kmalloc_#t~ret101#1.offset; [2025-03-04 05:05:14,204 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7731: havoc simple_strtoul_#t~nondet608#1; [2025-03-04 05:05:14,204 INFO L1325 $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; [2025-03-04 05:05:14,285 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7579: havoc __get_free_pages_#t~nondet584#1; [2025-03-04 05:05:14,296 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3703: havoc #t~mem6;havoc #t~bitwise7; [2025-03-04 05:05:14,321 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3682: havoc list_empty_#t~mem5#1.base, list_empty_#t~mem5#1.offset; [2025-03-04 05:05:14,506 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7735: havoc string_unescape_#t~nondet609#1; [2025-03-04 05:05:14,508 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7628: havoc #t~nondet591; [2025-03-04 05:05:19,652 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7700: havoc register_filesystem_#t~nondet601#1; [2025-03-04 05:05:19,652 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7704: havoc remove_arg_zero_#t~nondet602#1; [2025-03-04 05:05:19,652 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: #t~ret614#1 := main_#res#1;havoc main_#t~ret433#1, main_~tmp~20#1;assume { :end_inline_main } true; [2025-03-04 05:05:19,652 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7708: havoc search_binary_handler_#t~nondet603#1; [2025-03-04 05:05:19,652 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7651: havoc get_unused_fd_flags_#t~nondet593#1; [2025-03-04 05:05:19,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6399-1: ldv_register_filesystem_#res#1 := ldv_register_filesystem_~arg0#1; [2025-03-04 05:05:19,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7658: havoc kernel_read_#t~nondet594#1; [2025-03-04 05:05:19,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7739: havoc strlcpy_#t~nondet610#1; [2025-03-04 05:05:19,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7608: havoc bprm_change_interp_#t~nondet586#1; [2025-03-04 05:05:19,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7743: havoc sys_close_#t~nondet611#1; [2025-03-04 05:05:19,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7682: havoc mount_single_#t~ret596#1.base, mount_single_#t~ret596#1.offset; [2025-03-04 05:05:19,653 INFO L1325 $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; [2025-03-04 05:05:19,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7689: havoc noop_llseek_#t~nondet598#1; [2025-03-04 05:05:19,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-04 05:05:19,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7692: havoc open_exec_#t~ret599#1.base, open_exec_#t~ret599#1.offset; [2025-03-04 05:05:19,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7696: havoc prepare_binprm_#t~nondet600#1; [2025-03-04 05:05:19,653 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6839-1: ldv_register_filesystem_19_#res#1 := ldv_register_filesystem_19_~ldv_func_res~0#1; [2025-03-04 05:05:20,201 INFO L? ?]: Removed 1331 outVars from TransFormulas that were not future-live. [2025-03-04 05:05:20,202 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 05:05:20,256 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 05:05:20,256 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-04 05:05:20,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:05:20 BoogieIcfgContainer [2025-03-04 05:05:20,257 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 05:05:20,258 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 05:05:20,258 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 05:05:20,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 05:05:20,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 05:05:10" (1/3) ... [2025-03-04 05:05:20,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a020ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:05:20, skipping insertion in model container [2025-03-04 05:05:20,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:05:12" (2/3) ... [2025-03-04 05:05:20,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a020ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:05:20, skipping insertion in model container [2025-03-04 05:05:20,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:05:20" (3/3) ... [2025-03-04 05:05:20,264 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2025-03-04 05:05:20,275 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 05:05:20,278 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, 1158 locations, 1 initial locations, 34 loop locations, and 3 error locations. [2025-03-04 05:05:20,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 05:05:20,353 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;@7b164fb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 05:05:20,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-04 05:05:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 1052 states, 762 states have (on average 1.3280839895013123) internal successors, (1012), 769 states have internal predecessors, (1012), 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) [2025-03-04 05:05:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2025-03-04 05:05:20,379 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:05:20,380 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, 1, 1, 1, 1] [2025-03-04 05:05:20,380 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)] === [2025-03-04 05:05:20,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:05:20,384 INFO L85 PathProgramCache]: Analyzing trace with hash -32671749, now seen corresponding path program 1 times [2025-03-04 05:05:20,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:05:20,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987746760] [2025-03-04 05:05:20,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:05:20,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:05:23,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 294 statements into 1 equivalence classes. [2025-03-04 05:05:23,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 294 of 294 statements. [2025-03-04 05:05:23,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:05:23,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:05:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2025-03-04 05:05:24,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:05:24,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987746760] [2025-03-04 05:05:24,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987746760] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:05:24,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:05:24,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:05:24,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547858509] [2025-03-04 05:05:24,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:05:24,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:05:24,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:05:24,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:05:24,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:05:24,118 INFO L87 Difference]: Start difference. First operand has 1052 states, 762 states have (on average 1.3280839895013123) internal successors, (1012), 769 states have internal predecessors, (1012), 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 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2025-03-04 05:05:28,165 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 [] [2025-03-04 05:05:29,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:05:29,374 INFO L93 Difference]: Finished difference Result 2945 states and 4191 transitions. [2025-03-04 05:05:29,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:05:29,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 294 [2025-03-04 05:05:29,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:05:29,406 INFO L225 Difference]: With dead ends: 2945 [2025-03-04 05:05:29,406 INFO L226 Difference]: Without dead ends: 1935 [2025-03-04 05:05:29,413 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 [2025-03-04 05:05:29,417 INFO L435 NwaCegarLoop]: 1472 mSDtfsCounter, 1295 mSDsluCounter, 1393 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 2865 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 [2025-03-04 05:05:29,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 2865 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2025-03-04 05:05:29,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2025-03-04 05:05:29,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1931. [2025-03-04 05:05:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1931 states, 1421 states have (on average 1.3265306122448979) internal successors, (1885), 1434 states have internal predecessors, (1885), 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) [2025-03-04 05:05:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2707 transitions. [2025-03-04 05:05:29,582 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2707 transitions. Word has length 294 [2025-03-04 05:05:29,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:05:29,584 INFO L471 AbstractCegarLoop]: Abstraction has 1931 states and 2707 transitions. [2025-03-04 05:05:29,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2025-03-04 05:05:29,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2707 transitions. [2025-03-04 05:05:29,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2025-03-04 05:05:29,597 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:05:29,597 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, 1] [2025-03-04 05:05:29,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 05:05:29,598 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)] === [2025-03-04 05:05:29,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:05:29,598 INFO L85 PathProgramCache]: Analyzing trace with hash -223743189, now seen corresponding path program 1 times [2025-03-04 05:05:29,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:05:29,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351244500] [2025-03-04 05:05:29,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:05:29,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:05:31,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 363 statements into 1 equivalence classes. [2025-03-04 05:05:31,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 363 of 363 statements. [2025-03-04 05:05:31,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:05:31,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:05:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2025-03-04 05:05:32,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:05:32,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351244500] [2025-03-04 05:05:32,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351244500] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:05:32,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:05:32,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:05:32,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342796181] [2025-03-04 05:05:32,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:05:32,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:05:32,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:05:32,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:05:32,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:05:32,318 INFO L87 Difference]: Start difference. First operand 1931 states and 2707 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2025-03-04 05:05:36,350 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 [] [2025-03-04 05:05:37,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:05:37,904 INFO L93 Difference]: Finished difference Result 4665 states and 6508 transitions. [2025-03-04 05:05:37,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:05:37,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 363 [2025-03-04 05:05:37,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:05:37,923 INFO L225 Difference]: With dead ends: 4665 [2025-03-04 05:05:37,923 INFO L226 Difference]: Without dead ends: 2787 [2025-03-04 05:05:37,930 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 [2025-03-04 05:05:37,931 INFO L435 NwaCegarLoop]: 1450 mSDtfsCounter, 1239 mSDsluCounter, 1387 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2025-03-04 05:05:37,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 2837 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2025-03-04 05:05:37,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2787 states. [2025-03-04 05:05:38,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2787 to 2765. [2025-03-04 05:05:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2765 states, 2059 states have (on average 1.3224866440019427) internal successors, (2723), 2081 states have internal predecessors, (2723), 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) [2025-03-04 05:05:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 2765 states and 3837 transitions. [2025-03-04 05:05:38,027 INFO L78 Accepts]: Start accepts. Automaton has 2765 states and 3837 transitions. Word has length 363 [2025-03-04 05:05:38,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:05:38,027 INFO L471 AbstractCegarLoop]: Abstraction has 2765 states and 3837 transitions. [2025-03-04 05:05:38,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2025-03-04 05:05:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2765 states and 3837 transitions. [2025-03-04 05:05:38,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2025-03-04 05:05:38,033 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:05:38,033 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, 1, 1, 1, 1] [2025-03-04 05:05:38,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 05:05:38,034 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)] === [2025-03-04 05:05:38,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:05:38,034 INFO L85 PathProgramCache]: Analyzing trace with hash 87740628, now seen corresponding path program 1 times [2025-03-04 05:05:38,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:05:38,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103987246] [2025-03-04 05:05:38,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:05:38,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:05:40,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 360 statements into 1 equivalence classes. [2025-03-04 05:05:40,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 360 of 360 statements. [2025-03-04 05:05:40,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:05:40,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:05:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2591 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2591 trivial. 0 not checked. [2025-03-04 05:05:40,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:05:40,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103987246] [2025-03-04 05:05:40,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103987246] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:05:40,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:05:40,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:05:40,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396082694] [2025-03-04 05:05:40,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:05:40,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:05:40,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:05:40,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:05:40,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:05:40,781 INFO L87 Difference]: Start difference. First operand 2765 states and 3837 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2025-03-04 05:05:44,814 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 [] [2025-03-04 05:05:46,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:05:46,300 INFO L93 Difference]: Finished difference Result 6574 states and 9039 transitions. [2025-03-04 05:05:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:05:46,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 360 [2025-03-04 05:05:46,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:05:46,325 INFO L225 Difference]: With dead ends: 6574 [2025-03-04 05:05:46,325 INFO L226 Difference]: Without dead ends: 3862 [2025-03-04 05:05:46,334 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 [2025-03-04 05:05:46,335 INFO L435 NwaCegarLoop]: 1546 mSDtfsCounter, 976 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 2932 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 [2025-03-04 05:05:46,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 2932 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2025-03-04 05:05:46,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2025-03-04 05:05:46,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3842. [2025-03-04 05:05:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3842 states, 2873 states have (on average 1.3080403759136792) internal successors, (3758), 2906 states have internal predecessors, (3758), 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) [2025-03-04 05:05:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5230 transitions. [2025-03-04 05:05:46,474 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5230 transitions. Word has length 360 [2025-03-04 05:05:46,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:05:46,475 INFO L471 AbstractCegarLoop]: Abstraction has 3842 states and 5230 transitions. [2025-03-04 05:05:46,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2025-03-04 05:05:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5230 transitions. [2025-03-04 05:05:46,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2025-03-04 05:05:46,480 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:05:46,480 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:05:46,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 05:05:46,480 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)] === [2025-03-04 05:05:46,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:05:46,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1950111215, now seen corresponding path program 1 times [2025-03-04 05:05:46,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:05:46,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365572371] [2025-03-04 05:05:46,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:05:46,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:05:48,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 354 statements into 1 equivalence classes. [2025-03-04 05:05:48,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 354 of 354 statements. [2025-03-04 05:05:48,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:05:48,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:05:48,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2025-03-04 05:05:48,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:05:48,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365572371] [2025-03-04 05:05:48,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365572371] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:05:48,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:05:48,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:05:48,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559724758] [2025-03-04 05:05:48,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:05:48,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:05:48,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:05:48,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:05:48,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:05:48,808 INFO L87 Difference]: Start difference. First operand 3842 states and 5230 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2025-03-04 05:05:52,836 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 [] [2025-03-04 05:05:54,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:05:54,240 INFO L93 Difference]: Finished difference Result 10020 states and 13699 transitions. [2025-03-04 05:05:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:05:54,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 354 [2025-03-04 05:05:54,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:05:54,273 INFO L225 Difference]: With dead ends: 10020 [2025-03-04 05:05:54,273 INFO L226 Difference]: Without dead ends: 6774 [2025-03-04 05:05:54,283 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 [2025-03-04 05:05:54,284 INFO L435 NwaCegarLoop]: 2675 mSDtfsCounter, 1252 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-03-04 05:05:54,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 4080 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2025-03-04 05:05:54,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6774 states. [2025-03-04 05:05:54,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6774 to 6770. [2025-03-04 05:05:54,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6770 states, 5084 states have (on average 1.31294256490952) internal successors, (6675), 5129 states have internal predecessors, (6675), 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) [2025-03-04 05:05:54,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6770 states to 6770 states and 9233 transitions. [2025-03-04 05:05:54,488 INFO L78 Accepts]: Start accepts. Automaton has 6770 states and 9233 transitions. Word has length 354 [2025-03-04 05:05:54,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:05:54,489 INFO L471 AbstractCegarLoop]: Abstraction has 6770 states and 9233 transitions. [2025-03-04 05:05:54,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2025-03-04 05:05:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 6770 states and 9233 transitions. [2025-03-04 05:05:54,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2025-03-04 05:05:54,495 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:05:54,495 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:05:54,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 05:05:54,496 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)] === [2025-03-04 05:05:54,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:05:54,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1383242064, now seen corresponding path program 1 times [2025-03-04 05:05:54,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:05:54,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548507668] [2025-03-04 05:05:54,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:05:54,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:05:56,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 354 statements into 1 equivalence classes. [2025-03-04 05:05:56,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 354 of 354 statements. [2025-03-04 05:05:56,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:05:56,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:05:57,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2025-03-04 05:05:57,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:05:57,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548507668] [2025-03-04 05:05:57,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548507668] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:05:57,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:05:57,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 05:05:57,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746362003] [2025-03-04 05:05:57,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:05:57,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 05:05:57,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:05:57,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 05:05:57,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 05:05:57,872 INFO L87 Difference]: Start difference. First operand 6770 states and 9233 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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) [2025-03-04 05:05:58,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:05:58,815 INFO L93 Difference]: Finished difference Result 6979 states and 9440 transitions. [2025-03-04 05:05:58,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 05:05:58,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 354 [2025-03-04 05:05:58,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:05:58,842 INFO L225 Difference]: With dead ends: 6979 [2025-03-04 05:05:58,842 INFO L226 Difference]: Without dead ends: 6977 [2025-03-04 05:05:58,845 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 [2025-03-04 05:05:58,847 INFO L435 NwaCegarLoop]: 1436 mSDtfsCounter, 1263 mSDsluCounter, 3013 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 4449 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 05:05:58,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 4449 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 05:05:58,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6977 states. [2025-03-04 05:05:58,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6977 to 6977. [2025-03-04 05:05:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6977 states, 5217 states have (on average 1.3064979873490512) internal successors, (6816), 5262 states have internal predecessors, (6816), 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) [2025-03-04 05:05:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6977 states to 6977 states and 9438 transitions. [2025-03-04 05:05:59,034 INFO L78 Accepts]: Start accepts. Automaton has 6977 states and 9438 transitions. Word has length 354 [2025-03-04 05:05:59,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:05:59,035 INFO L471 AbstractCegarLoop]: Abstraction has 6977 states and 9438 transitions. [2025-03-04 05:05:59,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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) [2025-03-04 05:05:59,036 INFO L276 IsEmpty]: Start isEmpty. Operand 6977 states and 9438 transitions. [2025-03-04 05:05:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2025-03-04 05:05:59,040 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:05:59,041 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, 1, 1, 1, 1] [2025-03-04 05:05:59,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 05:05:59,042 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)] === [2025-03-04 05:05:59,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:05:59,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1922549243, now seen corresponding path program 1 times [2025-03-04 05:05:59,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:05:59,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793970245] [2025-03-04 05:05:59,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:05:59,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:06:01,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 366 statements into 1 equivalence classes. [2025-03-04 05:06:01,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 366 of 366 statements. [2025-03-04 05:06:01,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:06:01,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:06:01,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2025-03-04 05:06:01,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:06:01,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793970245] [2025-03-04 05:06:01,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793970245] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:06:01,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:06:01,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:06:01,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997009663] [2025-03-04 05:06:01,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:06:01,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:06:01,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:06:01,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:06:01,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:06:01,577 INFO L87 Difference]: Start difference. First operand 6977 states and 9438 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2025-03-04 05:06:05,605 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 [] [2025-03-04 05:06:07,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:06:07,318 INFO L93 Difference]: Finished difference Result 18940 states and 25569 transitions. [2025-03-04 05:06:07,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:06:07,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 366 [2025-03-04 05:06:07,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:06:07,390 INFO L225 Difference]: With dead ends: 18940 [2025-03-04 05:06:07,391 INFO L226 Difference]: Without dead ends: 12016 [2025-03-04 05:06:07,411 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 [2025-03-04 05:06:07,412 INFO L435 NwaCegarLoop]: 1606 mSDtfsCounter, 1239 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 2991 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2025-03-04 05:06:07,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 2991 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2025-03-04 05:06:07,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12016 states. [2025-03-04 05:06:07,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12016 to 11994. [2025-03-04 05:06:07,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11994 states, 9051 states have (on average 1.3010717047840017) internal successors, (11776), 9135 states have internal predecessors, (11776), 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) [2025-03-04 05:06:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11994 states to 11994 states and 16098 transitions. [2025-03-04 05:06:08,008 INFO L78 Accepts]: Start accepts. Automaton has 11994 states and 16098 transitions. Word has length 366 [2025-03-04 05:06:08,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:06:08,009 INFO L471 AbstractCegarLoop]: Abstraction has 11994 states and 16098 transitions. [2025-03-04 05:06:08,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2025-03-04 05:06:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 11994 states and 16098 transitions. [2025-03-04 05:06:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2025-03-04 05:06:08,014 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:06:08,018 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:06:08,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 05:06:08,019 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)] === [2025-03-04 05:06:08,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:06:08,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1412063099, now seen corresponding path program 1 times [2025-03-04 05:06:08,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:06:08,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51653478] [2025-03-04 05:06:08,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:06:08,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:06:10,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 359 statements into 1 equivalence classes. [2025-03-04 05:06:10,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 359 of 359 statements. [2025-03-04 05:06:10,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:06:10,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:06:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2025-03-04 05:06:11,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:06:11,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51653478] [2025-03-04 05:06:11,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51653478] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:06:11,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:06:11,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 05:06:11,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808081311] [2025-03-04 05:06:11,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:06:11,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 05:06:11,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:06:11,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 05:06:11,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 05:06:11,435 INFO L87 Difference]: Start difference. First operand 11994 states and 16098 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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) [2025-03-04 05:06:12,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:06:12,394 INFO L93 Difference]: Finished difference Result 12000 states and 16103 transitions. [2025-03-04 05:06:12,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 05:06:12,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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 359 [2025-03-04 05:06:12,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:06:12,433 INFO L225 Difference]: With dead ends: 12000 [2025-03-04 05:06:12,434 INFO L226 Difference]: Without dead ends: 11996 [2025-03-04 05:06:12,440 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 [2025-03-04 05:06:12,440 INFO L435 NwaCegarLoop]: 1438 mSDtfsCounter, 1361 mSDsluCounter, 2867 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 05:06:12,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 4305 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 05:06:12,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11996 states. [2025-03-04 05:06:12,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11996 to 11996. [2025-03-04 05:06:12,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11996 states, 9053 states have (on average 1.3008947310283885) internal successors, (11777), 9136 states have internal predecessors, (11777), 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) [2025-03-04 05:06:12,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11996 states to 11996 states and 16099 transitions. [2025-03-04 05:06:12,754 INFO L78 Accepts]: Start accepts. Automaton has 11996 states and 16099 transitions. Word has length 359 [2025-03-04 05:06:12,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:06:12,755 INFO L471 AbstractCegarLoop]: Abstraction has 11996 states and 16099 transitions. [2025-03-04 05:06:12,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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) [2025-03-04 05:06:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand 11996 states and 16099 transitions. [2025-03-04 05:06:12,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2025-03-04 05:06:12,760 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:06:12,760 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:06:12,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 05:06:12,760 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)] === [2025-03-04 05:06:12,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:06:12,761 INFO L85 PathProgramCache]: Analyzing trace with hash 170142736, now seen corresponding path program 1 times [2025-03-04 05:06:12,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:06:12,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630865900] [2025-03-04 05:06:12,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:06:12,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:06:14,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 364 statements into 1 equivalence classes. [2025-03-04 05:06:15,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 364 of 364 statements. [2025-03-04 05:06:15,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:06:15,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:06:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2834 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2025-03-04 05:06:16,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:06:16,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630865900] [2025-03-04 05:06:16,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630865900] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:06:16,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:06:16,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 05:06:16,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126063758] [2025-03-04 05:06:16,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:06:16,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 05:06:16,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:06:16,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 05:06:16,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 05:06:16,080 INFO L87 Difference]: Start difference. First operand 11996 states and 16099 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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) [2025-03-04 05:06:17,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:06:17,074 INFO L93 Difference]: Finished difference Result 11996 states and 16099 transitions. [2025-03-04 05:06:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 05:06:17,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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 364 [2025-03-04 05:06:17,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:06:17,122 INFO L225 Difference]: With dead ends: 11996 [2025-03-04 05:06:17,122 INFO L226 Difference]: Without dead ends: 11842 [2025-03-04 05:06:17,130 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 [2025-03-04 05:06:17,132 INFO L435 NwaCegarLoop]: 1436 mSDtfsCounter, 1357 mSDsluCounter, 2865 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1357 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 05:06:17,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1357 Valid, 4301 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 05:06:17,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11842 states. [2025-03-04 05:06:17,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11842 to 11842. [2025-03-04 05:06:17,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11842 states, 8964 states have (on average 1.3012048192771084) internal successors, (11664), 9023 states have internal predecessors, (11664), 2109 states have call successors, (2109), 767 states have call predecessors, (2109), 767 states have return successors, (2109), 2095 states have call predecessors, (2109), 2109 states have call successors, (2109) [2025-03-04 05:06:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11842 states to 11842 states and 15882 transitions. [2025-03-04 05:06:17,493 INFO L78 Accepts]: Start accepts. Automaton has 11842 states and 15882 transitions. Word has length 364 [2025-03-04 05:06:17,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:06:17,495 INFO L471 AbstractCegarLoop]: Abstraction has 11842 states and 15882 transitions. [2025-03-04 05:06:17,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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) [2025-03-04 05:06:17,496 INFO L276 IsEmpty]: Start isEmpty. Operand 11842 states and 15882 transitions. [2025-03-04 05:06:17,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2025-03-04 05:06:17,510 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:06:17,510 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 24, 24, 24, 24, 24, 24, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:06:17,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 05:06:17,510 INFO L396 AbstractCegarLoop]: === Iteration 9 === 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)] === [2025-03-04 05:06:17,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:06:17,511 INFO L85 PathProgramCache]: Analyzing trace with hash -373050720, now seen corresponding path program 1 times [2025-03-04 05:06:17,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:06:17,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977327208] [2025-03-04 05:06:17,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:06:17,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:06:19,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 444 statements into 1 equivalence classes. [2025-03-04 05:06:19,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 444 of 444 statements. [2025-03-04 05:06:19,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:06:19,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:06:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3014 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2997 trivial. 0 not checked. [2025-03-04 05:06:20,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:06:20,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977327208] [2025-03-04 05:06:20,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977327208] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:06:20,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:06:20,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:06:20,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535725521] [2025-03-04 05:06:20,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:06:20,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:06:20,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:06:20,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:06:20,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:06:20,326 INFO L87 Difference]: Start difference. First operand 11842 states and 15882 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-03-04 05:06:24,358 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 [] [2025-03-04 05:06:26,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:06:26,056 INFO L93 Difference]: Finished difference Result 28873 states and 38772 transitions. [2025-03-04 05:06:26,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:06:26,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 444 [2025-03-04 05:06:26,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:06:26,134 INFO L225 Difference]: With dead ends: 28873 [2025-03-04 05:06:26,134 INFO L226 Difference]: Without dead ends: 17005 [2025-03-04 05:06:26,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:06:26,172 INFO L435 NwaCegarLoop]: 2639 mSDtfsCounter, 1248 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1248 SdHoareTripleChecker+Valid, 4014 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-03-04 05:06:26,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1248 Valid, 4014 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2025-03-04 05:06:26,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17005 states. [2025-03-04 05:06:26,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17005 to 17001. [2025-03-04 05:06:26,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17001 states, 12848 states have (on average 1.303549190535492) internal successors, (16748), 12929 states have internal predecessors, (16748), 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) [2025-03-04 05:06:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17001 states to 17001 states and 22828 transitions. [2025-03-04 05:06:26,703 INFO L78 Accepts]: Start accepts. Automaton has 17001 states and 22828 transitions. Word has length 444 [2025-03-04 05:06:26,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:06:26,704 INFO L471 AbstractCegarLoop]: Abstraction has 17001 states and 22828 transitions. [2025-03-04 05:06:26,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-03-04 05:06:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 17001 states and 22828 transitions. [2025-03-04 05:06:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2025-03-04 05:06:26,718 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:06:26,718 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:06:26,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 05:06:26,719 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)] === [2025-03-04 05:06:26,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:06:26,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1688784082, now seen corresponding path program 1 times [2025-03-04 05:06:26,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:06:26,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160362563] [2025-03-04 05:06:26,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:06:26,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:06:29,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 470 statements into 1 equivalence classes. [2025-03-04 05:06:29,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 470 of 470 statements. [2025-03-04 05:06:29,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:06:29,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:06:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3249 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3217 trivial. 0 not checked. [2025-03-04 05:06:29,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:06:29,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160362563] [2025-03-04 05:06:29,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160362563] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:06:29,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:06:29,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:06:29,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39265959] [2025-03-04 05:06:29,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:06:29,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:06:29,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:06:29,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:06:29,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:06:29,618 INFO L87 Difference]: Start difference. First operand 17001 states and 22828 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2025-03-04 05:06:33,644 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 []