./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 e2fb8bed 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-?-e2fb8be-m [2025-03-08 20:17:01,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 20:17:01,900 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 20:17:01,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 20:17:01,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 20:17:01,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 20:17:01,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 20:17:01,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 20:17:01,925 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 20:17:01,926 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 20:17:01,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 20:17:01,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 20:17:01,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 20:17:01,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 20:17:01,927 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 20:17:01,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 20:17:01,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 20:17:01,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 20:17:01,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 20:17:01,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 20:17:01,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 20:17:01,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 20:17:01,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 20:17:01,928 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 20:17:01,928 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 20:17:01,928 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 20:17:01,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 20:17:01,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 20:17:01,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 20:17:01,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:17:01,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 20:17:01,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 20:17:01,929 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 20:17:01,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 20:17:01,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 20:17:01,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 20:17:01,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 20:17:01,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 20:17:01,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 20:17:01,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 20:17:01,930 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 [2025-03-08 20:17:02,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 20:17:02,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 20:17:02,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 20:17:02,151 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 20:17:02,151 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 20:17:02,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2025-03-08 20:17:03,268 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb73572eb/3f0f4e8860a14e959d630bbcdc158df0/FLAG5a2cf3d4a [2025-03-08 20:17:03,638 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 20:17:03,638 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2025-03-08 20:17:03,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb73572eb/3f0f4e8860a14e959d630bbcdc158df0/FLAG5a2cf3d4a [2025-03-08 20:17:03,686 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb73572eb/3f0f4e8860a14e959d630bbcdc158df0 [2025-03-08 20:17:03,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 20:17:03,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 20:17:03,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 20:17:03,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 20:17:03,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 20:17:03,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:17:03" (1/1) ... [2025-03-08 20:17:03,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299f315c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:03, skipping insertion in model container [2025-03-08 20:17:03,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:17:03" (1/1) ... [2025-03-08 20:17:03,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 20:17:04,607 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] [2025-03-08 20:17:04,610 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] [2025-03-08 20:17:04,610 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] [2025-03-08 20:17:04,610 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] [2025-03-08 20:17:04,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:17:04,641 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 20:17:04,727 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] [2025-03-08 20:17:04,729 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] [2025-03-08 20:17:04,731 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] [2025-03-08 20:17:04,815 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] [2025-03-08 20:17:04,819 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] [2025-03-08 20:17:04,819 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] [2025-03-08 20:17:04,820 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] [2025-03-08 20:17:04,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:17:04,877 INFO L204 MainTranslator]: Completed translation [2025-03-08 20:17:04,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04 WrapperNode [2025-03-08 20:17:04,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 20:17:04,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 20:17:04,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 20:17:04,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 20:17:04,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:04,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:05,027 INFO L138 Inliner]: procedures = 240, calls = 995, calls flagged for inlining = 130, calls inlined = 118, statements flattened = 3191 [2025-03-08 20:17:05,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 20:17:05,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 20:17:05,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 20:17:05,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 20:17:05,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:05,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:05,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:05,367 INFO L175 MemorySlicer]: Split 506 memory accesses to 27 slices as follows [1, 3, 64, 191, 6, 3, 12, 13, 7, 1, 1, 6, 2, 2, 3, 3, 8, 8, 7, 1, 1, 2, 81, 28, 28, 23, 1]. 38 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [1, 0, 0, 2, 0, 0, 0, 0, 7, 0, 1, 0, 0, 2, 3, 0, 8, 8, 7, 1, 1, 2, 0, 0, 0, 0, 0]. The 285 writes are split as follows [0, 0, 19, 75, 2, 0, 12, 13, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 81, 28, 28, 23, 1]. [2025-03-08 20:17:05,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:05,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:05,431 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:05,436 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:05,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:05,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:05,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 20:17:05,500 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 20:17:05,500 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 20:17:05,500 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 20:17:05,501 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (1/1) ... [2025-03-08 20:17:05,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:17:05,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 20:17:05,528 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) [2025-03-08 20:17:05,534 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 [2025-03-08 20:17:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2025-03-08 20:17:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2025-03-08 20:17:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 20:17:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 20:17:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 20:17:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 20:17:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 20:17:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 20:17:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 20:17:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 20:17:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 20:17:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 20:17:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 20:17:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 20:17:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 20:17:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 20:17:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 20:17:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 20:17:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 20:17:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 20:17:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 20:17:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-08 20:17:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-08 20:17:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-08 20:17:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-03-08 20:17:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-03-08 20:17:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-03-08 20:17:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2025-03-08 20:17:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2025-03-08 20:17:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 20:17:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 20:17:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2025-03-08 20:17:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2025-03-08 20:17:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2025-03-08 20:17:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2025-03-08 20:17:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 20:17:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 20:17:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2025-03-08 20:17:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2025-03-08 20:17:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2025-03-08 20:17:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2025-03-08 20:17:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2025-03-08 20:17:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2025-03-08 20:17:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2025-03-08 20:17:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 20:17:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 20:17:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 20:17:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 20:17:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 20:17:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 20:17:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 20:17:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 20:17:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2025-03-08 20:17:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2025-03-08 20:17:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2025-03-08 20:17:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 20:17:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2025-03-08 20:17:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2025-03-08 20:17:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2025-03-08 20:17:05,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2025-03-08 20:17:05,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-08 20:17:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2025-03-08 20:17:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-08 20:17:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2025-03-08 20:17:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2025-03-08 20:17:05,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 20:17:05,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2025-03-08 20:17:05,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2025-03-08 20:17:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2025-03-08 20:17:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2025-03-08 20:17:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-08 20:17:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-03-08 20:17:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 20:17:05,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-08 20:17:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2025-03-08 20:17:05,561 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-08 20:17:05,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-08 20:17:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-08 20:17:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-08 20:17:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2025-03-08 20:17:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2025-03-08 20:17:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2025-03-08 20:17:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2025-03-08 20:17:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2025-03-08 20:17:05,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2025-03-08 20:17:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-08 20:17:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-08 20:17:05,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-03-08 20:17:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-03-08 20:17:05,564 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2025-03-08 20:17:05,564 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 20:17:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2025-03-08 20:17:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2025-03-08 20:17:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 20:17:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 20:17:05,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-08 20:17:05,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-08 20:17:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2025-03-08 20:17:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2025-03-08 20:17:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-03-08 20:17:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2025-03-08 20:17:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-08 20:17:05,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-03-08 20:17:05,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2025-03-08 20:17:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2025-03-08 20:17:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2025-03-08 20:17:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2025-03-08 20:17:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2025-03-08 20:17:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2025-03-08 20:17:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2025-03-08 20:17:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2025-03-08 20:17:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2025-03-08 20:17:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2025-03-08 20:17:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-08 20:17:05,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-08 20:17:05,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 20:17:05,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 20:17:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-08 20:17:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 20:17:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2025-03-08 20:17:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2025-03-08 20:17:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-08 20:17:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-08 20:17:06,115 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 20:17:06,117 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 20:17:06,137 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 20:17:06,151 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: havoc #t~mem45.base, #t~mem45.offset; [2025-03-08 20:17:06,201 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7615: havoc #t~nondet587; [2025-03-08 20:17:06,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet607; [2025-03-08 20:17:06,299 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6740-1: ldv_unregister_filesystem_#res#1 := ldv_unregister_filesystem_~arg0#1; [2025-03-08 20:17:06,299 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7750: havoc unregister_filesystem_#t~nondet612#1; [2025-03-08 20:17:06,299 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6854-1: ldv_unregister_filesystem_20_#res#1 := ldv_unregister_filesystem_20_~ldv_func_res~1#1; [2025-03-08 20:17:06,316 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7720: havoc #t~nondet606; [2025-03-08 20:17:06,320 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7592: havoc #t~nondet585; [2025-03-08 20:17:06,406 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4494: call ULTIMATE.dealloc(~#s~2.base, ~#s~2.offset);havoc ~#s~2.base, ~#s~2.offset; [2025-03-08 20:17:06,763 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7716: havoc simple_pin_fs_#t~nondet605#1; [2025-03-08 20:17:06,763 INFO L1307 $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; [2025-03-08 20:17:06,763 INFO L1307 $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; [2025-03-08 20:17:06,763 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7685: havoc new_inode_#t~ret597#1.base, new_inode_#t~ret597#1.offset; [2025-03-08 20:17:06,763 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7676: havoc lookup_one_len_#t~ret595#1.base, lookup_one_len_#t~ret595#1.offset; [2025-03-08 20:17:06,763 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7647: havoc get_next_ino_#t~nondet592#1; [2025-03-08 20:17:06,763 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3849: havoc __kmalloc_#t~ret101#1.base, __kmalloc_#t~ret101#1.offset; [2025-03-08 20:17:06,763 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7731: havoc simple_strtoul_#t~nondet608#1; [2025-03-08 20:17:06,764 INFO L1307 $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; [2025-03-08 20:17:06,874 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7579: havoc __get_free_pages_#t~nondet584#1; [2025-03-08 20:17:06,882 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3703: havoc #t~mem6;havoc #t~bitwise7; [2025-03-08 20:17:06,906 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3682: havoc list_empty_#t~mem5#1.base, list_empty_#t~mem5#1.offset; [2025-03-08 20:17:07,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7735: havoc string_unescape_#t~nondet609#1; [2025-03-08 20:17:07,076 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7628: havoc #t~nondet591; [2025-03-08 20:17:12,205 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7700: havoc register_filesystem_#t~nondet601#1; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7704: havoc remove_arg_zero_#t~nondet602#1; [2025-03-08 20:17:12,206 INFO L1307 $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; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7708: havoc search_binary_handler_#t~nondet603#1; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7651: havoc get_unused_fd_flags_#t~nondet593#1; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6399-1: ldv_register_filesystem_#res#1 := ldv_register_filesystem_~arg0#1; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7658: havoc kernel_read_#t~nondet594#1; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7739: havoc strlcpy_#t~nondet610#1; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7608: havoc bprm_change_interp_#t~nondet586#1; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7743: havoc sys_close_#t~nondet611#1; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7682: havoc mount_single_#t~ret596#1.base, mount_single_#t~ret596#1.offset; [2025-03-08 20:17:12,206 INFO L1307 $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; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7689: havoc noop_llseek_#t~nondet598#1; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-08 20:17:12,206 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7692: havoc open_exec_#t~ret599#1.base, open_exec_#t~ret599#1.offset; [2025-03-08 20:17:12,207 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7696: havoc prepare_binprm_#t~nondet600#1; [2025-03-08 20:17:12,207 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6839-1: ldv_register_filesystem_19_#res#1 := ldv_register_filesystem_19_~ldv_func_res~0#1; [2025-03-08 20:17:12,780 INFO L? ?]: Removed 1331 outVars from TransFormulas that were not future-live. [2025-03-08 20:17:12,780 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 20:17:12,813 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 20:17:12,815 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 20:17:12,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:17:12 BoogieIcfgContainer [2025-03-08 20:17:12,816 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 20:17:12,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 20:17:12,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 20:17:12,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 20:17:12,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 08:17:03" (1/3) ... [2025-03-08 20:17:12,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d63301d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:17:12, skipping insertion in model container [2025-03-08 20:17:12,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:17:04" (2/3) ... [2025-03-08 20:17:12,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d63301d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:17:12, skipping insertion in model container [2025-03-08 20:17:12,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:17:12" (3/3) ... [2025-03-08 20:17:12,824 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2025-03-08 20:17:12,835 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 20:17:12,838 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. [2025-03-08 20:17:12,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 20:17:12,923 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;@4f1d5708, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 20:17:12,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-08 20:17:12,930 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) [2025-03-08 20:17:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2025-03-08 20:17:12,955 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:17:12,956 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] [2025-03-08 20:17:12,956 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)] === [2025-03-08 20:17:12,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:17:12,961 INFO L85 PathProgramCache]: Analyzing trace with hash -32671749, now seen corresponding path program 1 times [2025-03-08 20:17:12,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:17:12,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402828779] [2025-03-08 20:17:12,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:17:12,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:17:15,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 294 statements into 1 equivalence classes. [2025-03-08 20:17:15,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 294 of 294 statements. [2025-03-08 20:17:15,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:17:15,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:17:16,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2025-03-08 20:17:16,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:17:16,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402828779] [2025-03-08 20:17:16,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402828779] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:17:16,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:17:16,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:17:16,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532479865] [2025-03-08 20:17:16,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:17:16,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:17:16,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:17:16,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:17:16,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:17:16,657 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) [2025-03-08 20:17:20,705 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 [] [2025-03-08 20:17:21,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:17:21,938 INFO L93 Difference]: Finished difference Result 2945 states and 4191 transitions. [2025-03-08 20:17:21,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:17:21,940 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 [2025-03-08 20:17:21,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:17:21,955 INFO L225 Difference]: With dead ends: 2945 [2025-03-08 20:17:21,956 INFO L226 Difference]: Without dead ends: 1935 [2025-03-08 20:17:21,962 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 [2025-03-08 20:17:21,963 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 [2025-03-08 20:17:21,964 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] [2025-03-08 20:17:21,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2025-03-08 20:17:22,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1931. [2025-03-08 20:17:22,078 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) [2025-03-08 20:17:22,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2707 transitions. [2025-03-08 20:17:22,094 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2707 transitions. Word has length 294 [2025-03-08 20:17:22,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:17:22,095 INFO L471 AbstractCegarLoop]: Abstraction has 1931 states and 2707 transitions. [2025-03-08 20:17:22,095 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) [2025-03-08 20:17:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2707 transitions. [2025-03-08 20:17:22,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2025-03-08 20:17:22,105 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:17:22,106 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] [2025-03-08 20:17:22,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 20:17:22,106 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)] === [2025-03-08 20:17:22,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:17:22,107 INFO L85 PathProgramCache]: Analyzing trace with hash 87740628, now seen corresponding path program 1 times [2025-03-08 20:17:22,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:17:22,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377304654] [2025-03-08 20:17:22,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:17:22,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:17:24,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 360 statements into 1 equivalence classes. [2025-03-08 20:17:24,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 360 of 360 statements. [2025-03-08 20:17:24,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:17:24,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:17:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2591 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2591 trivial. 0 not checked. [2025-03-08 20:17:24,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:17:24,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377304654] [2025-03-08 20:17:24,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377304654] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:17:24,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:17:24,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:17:24,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774759124] [2025-03-08 20:17:24,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:17:24,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:17:24,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:17:24,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:17:24,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:17:24,891 INFO L87 Difference]: Start difference. First operand 1931 states and 2707 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) [2025-03-08 20:17:28,921 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 [] [2025-03-08 20:17:30,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:17:30,384 INFO L93 Difference]: Finished difference Result 4309 states and 5980 transitions. [2025-03-08 20:17:30,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:17:30,385 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 [2025-03-08 20:17:30,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:17:30,401 INFO L225 Difference]: With dead ends: 4309 [2025-03-08 20:17:30,401 INFO L226 Difference]: Without dead ends: 2431 [2025-03-08 20:17:30,408 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 [2025-03-08 20:17:30,409 INFO L435 NwaCegarLoop]: 1450 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, 2836 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 [2025-03-08 20:17:30,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 2836 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2025-03-08 20:17:30,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2025-03-08 20:17:30,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 2411. [2025-03-08 20:17:30,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2411 states, 1779 states have (on average 1.3091624508150645) internal successors, (2329), 1799 states have internal predecessors, (2329), 493 states have call successors, (493), 137 states have call predecessors, (493), 136 states have return successors, (489), 484 states have call predecessors, (489), 489 states have call successors, (489) [2025-03-08 20:17:30,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 3311 transitions. [2025-03-08 20:17:30,531 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 3311 transitions. Word has length 360 [2025-03-08 20:17:30,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:17:30,532 INFO L471 AbstractCegarLoop]: Abstraction has 2411 states and 3311 transitions. [2025-03-08 20:17:30,533 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) [2025-03-08 20:17:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 3311 transitions. [2025-03-08 20:17:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2025-03-08 20:17:30,540 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:17:30,541 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] [2025-03-08 20:17:30,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 20:17:30,542 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)] === [2025-03-08 20:17:30,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:17:30,543 INFO L85 PathProgramCache]: Analyzing trace with hash -223743189, now seen corresponding path program 1 times [2025-03-08 20:17:30,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:17:30,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034844006] [2025-03-08 20:17:30,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:17:30,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:17:32,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 363 statements into 1 equivalence classes. [2025-03-08 20:17:32,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 363 of 363 statements. [2025-03-08 20:17:32,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:17:32,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:17:33,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2025-03-08 20:17:33,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:17:33,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034844006] [2025-03-08 20:17:33,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034844006] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:17:33,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:17:33,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:17:33,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482817741] [2025-03-08 20:17:33,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:17:33,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:17:33,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:17:33,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:17:33,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:17:33,125 INFO L87 Difference]: Start difference. First operand 2411 states and 3311 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) [2025-03-08 20:17:37,155 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 [] [2025-03-08 20:17:38,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:17:38,657 INFO L93 Difference]: Finished difference Result 6222 states and 8515 transitions. [2025-03-08 20:17:38,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:17:38,658 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 [2025-03-08 20:17:38,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:17:38,680 INFO L225 Difference]: With dead ends: 6222 [2025-03-08 20:17:38,680 INFO L226 Difference]: Without dead ends: 3864 [2025-03-08 20:17:38,688 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 [2025-03-08 20:17:38,691 INFO L435 NwaCegarLoop]: 1515 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, 2902 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 [2025-03-08 20:17:38,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 2902 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2025-03-08 20:17:38,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3864 states. [2025-03-08 20:17:38,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3864 to 3842. [2025-03-08 20:17:38,792 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) [2025-03-08 20:17:38,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5230 transitions. [2025-03-08 20:17:38,815 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5230 transitions. Word has length 363 [2025-03-08 20:17:38,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:17:38,816 INFO L471 AbstractCegarLoop]: Abstraction has 3842 states and 5230 transitions. [2025-03-08 20:17:38,816 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) [2025-03-08 20:17:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5230 transitions. [2025-03-08 20:17:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2025-03-08 20:17:38,821 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:17:38,822 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] [2025-03-08 20:17:38,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 20:17:38,822 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)] === [2025-03-08 20:17:38,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:17:38,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1950111215, now seen corresponding path program 1 times [2025-03-08 20:17:38,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:17:38,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922362914] [2025-03-08 20:17:38,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:17:38,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:17:41,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 354 statements into 1 equivalence classes. [2025-03-08 20:17:41,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 354 of 354 statements. [2025-03-08 20:17:41,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:17:41,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:17:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2025-03-08 20:17:41,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:17:41,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922362914] [2025-03-08 20:17:41,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922362914] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:17:41,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:17:41,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:17:41,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244201869] [2025-03-08 20:17:41,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:17:41,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:17:41,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:17:41,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:17:41,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:17:41,492 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) [2025-03-08 20:17:45,520 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 [] [2025-03-08 20:17:46,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:17:46,852 INFO L93 Difference]: Finished difference Result 10020 states and 13699 transitions. [2025-03-08 20:17:46,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:17:46,853 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 [2025-03-08 20:17:46,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:17:46,882 INFO L225 Difference]: With dead ends: 10020 [2025-03-08 20:17:46,882 INFO L226 Difference]: Without dead ends: 6774 [2025-03-08 20:17:46,893 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 [2025-03-08 20:17:46,895 INFO L435 NwaCegarLoop]: 2675 mSDtfsCounter, 1252 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s 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 [2025-03-08 20:17:46,895 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] [2025-03-08 20:17:46,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6774 states. [2025-03-08 20:17:47,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6774 to 6770. [2025-03-08 20:17:47,071 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) [2025-03-08 20:17:47,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6770 states to 6770 states and 9233 transitions. [2025-03-08 20:17:47,096 INFO L78 Accepts]: Start accepts. Automaton has 6770 states and 9233 transitions. Word has length 354 [2025-03-08 20:17:47,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:17:47,098 INFO L471 AbstractCegarLoop]: Abstraction has 6770 states and 9233 transitions. [2025-03-08 20:17:47,099 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) [2025-03-08 20:17:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 6770 states and 9233 transitions. [2025-03-08 20:17:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2025-03-08 20:17:47,104 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:17:47,104 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] [2025-03-08 20:17:47,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 20:17:47,105 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)] === [2025-03-08 20:17:47,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:17:47,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1383242064, now seen corresponding path program 1 times [2025-03-08 20:17:47,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:17:47,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319430630] [2025-03-08 20:17:47,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:17:47,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:17:49,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 354 statements into 1 equivalence classes. [2025-03-08 20:17:49,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 354 of 354 statements. [2025-03-08 20:17:49,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:17:49,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:17:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2025-03-08 20:17:50,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:17:50,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319430630] [2025-03-08 20:17:50,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319430630] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:17:50,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:17:50,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 20:17:50,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550901585] [2025-03-08 20:17:50,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:17:50,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 20:17:50,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:17:50,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 20:17:50,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 20:17:50,468 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) [2025-03-08 20:17:51,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:17:51,405 INFO L93 Difference]: Finished difference Result 6979 states and 9440 transitions. [2025-03-08 20:17:51,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 20:17:51,405 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 [2025-03-08 20:17:51,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:17:51,431 INFO L225 Difference]: With dead ends: 6979 [2025-03-08 20:17:51,431 INFO L226 Difference]: Without dead ends: 6977 [2025-03-08 20:17:51,435 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 [2025-03-08 20:17:51,436 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 [2025-03-08 20:17:51,436 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] [2025-03-08 20:17:51,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6977 states. [2025-03-08 20:17:51,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6977 to 6977. [2025-03-08 20:17:51,605 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) [2025-03-08 20:17:51,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6977 states to 6977 states and 9438 transitions. [2025-03-08 20:17:51,626 INFO L78 Accepts]: Start accepts. Automaton has 6977 states and 9438 transitions. Word has length 354 [2025-03-08 20:17:51,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:17:51,627 INFO L471 AbstractCegarLoop]: Abstraction has 6977 states and 9438 transitions. [2025-03-08 20:17:51,627 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) [2025-03-08 20:17:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 6977 states and 9438 transitions. [2025-03-08 20:17:51,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2025-03-08 20:17:51,632 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:17:51,632 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] [2025-03-08 20:17:51,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 20:17:51,632 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)] === [2025-03-08 20:17:51,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:17:51,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1922549243, now seen corresponding path program 1 times [2025-03-08 20:17:51,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:17:51,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358078855] [2025-03-08 20:17:51,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:17:51,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:17:53,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 366 statements into 1 equivalence classes. [2025-03-08 20:17:53,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 366 of 366 statements. [2025-03-08 20:17:53,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:17:53,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:17:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2025-03-08 20:17:54,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:17:54,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358078855] [2025-03-08 20:17:54,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358078855] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:17:54,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:17:54,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:17:54,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86372500] [2025-03-08 20:17:54,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:17:54,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:17:54,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:17:54,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:17:54,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:17:54,038 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) [2025-03-08 20:17:58,069 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 [] [2025-03-08 20:17:59,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:17:59,645 INFO L93 Difference]: Finished difference Result 18940 states and 25569 transitions. [2025-03-08 20:17:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:17:59,646 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 [2025-03-08 20:17:59,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:17:59,779 INFO L225 Difference]: With dead ends: 18940 [2025-03-08 20:17:59,779 INFO L226 Difference]: Without dead ends: 12016 [2025-03-08 20:17:59,814 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 [2025-03-08 20:17:59,819 INFO L435 NwaCegarLoop]: 1606 mSDtfsCounter, 1239 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s 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, 5.4s IncrementalHoareTripleChecker+Time [2025-03-08 20:17:59,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 2991 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2025-03-08 20:17:59,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12016 states. [2025-03-08 20:18:00,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12016 to 11994. [2025-03-08 20:18:00,285 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) [2025-03-08 20:18:00,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11994 states to 11994 states and 16098 transitions. [2025-03-08 20:18:00,325 INFO L78 Accepts]: Start accepts. Automaton has 11994 states and 16098 transitions. Word has length 366 [2025-03-08 20:18:00,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:18:00,326 INFO L471 AbstractCegarLoop]: Abstraction has 11994 states and 16098 transitions. [2025-03-08 20:18:00,327 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) [2025-03-08 20:18:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 11994 states and 16098 transitions. [2025-03-08 20:18:00,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2025-03-08 20:18:00,332 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:18:00,332 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] [2025-03-08 20:18:00,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 20:18:00,332 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)] === [2025-03-08 20:18:00,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:18:00,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1412063099, now seen corresponding path program 1 times [2025-03-08 20:18:00,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:18:00,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076324198] [2025-03-08 20:18:00,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:18:00,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:18:02,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 359 statements into 1 equivalence classes. [2025-03-08 20:18:02,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 359 of 359 statements. [2025-03-08 20:18:02,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:18:02,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:18:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2025-03-08 20:18:03,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:18:03,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076324198] [2025-03-08 20:18:03,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076324198] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:18:03,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:18:03,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 20:18:03,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821545652] [2025-03-08 20:18:03,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:18:03,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 20:18:03,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:18:03,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 20:18:03,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 20:18:03,965 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) [2025-03-08 20:18:04,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:18:04,957 INFO L93 Difference]: Finished difference Result 12000 states and 16103 transitions. [2025-03-08 20:18:04,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 20:18:04,958 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 [2025-03-08 20:18:04,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:18:05,006 INFO L225 Difference]: With dead ends: 12000 [2025-03-08 20:18:05,006 INFO L226 Difference]: Without dead ends: 11996 [2025-03-08 20:18:05,015 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 [2025-03-08 20:18:05,016 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 [2025-03-08 20:18:05,016 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] [2025-03-08 20:18:05,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11996 states. [2025-03-08 20:18:05,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11996 to 11996. [2025-03-08 20:18:05,318 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) [2025-03-08 20:18:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11996 states to 11996 states and 16099 transitions. [2025-03-08 20:18:05,359 INFO L78 Accepts]: Start accepts. Automaton has 11996 states and 16099 transitions. Word has length 359 [2025-03-08 20:18:05,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:18:05,359 INFO L471 AbstractCegarLoop]: Abstraction has 11996 states and 16099 transitions. [2025-03-08 20:18:05,360 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) [2025-03-08 20:18:05,360 INFO L276 IsEmpty]: Start isEmpty. Operand 11996 states and 16099 transitions. [2025-03-08 20:18:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2025-03-08 20:18:05,365 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:18:05,365 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] [2025-03-08 20:18:05,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 20:18:05,366 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)] === [2025-03-08 20:18:05,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:18:05,366 INFO L85 PathProgramCache]: Analyzing trace with hash 170142736, now seen corresponding path program 1 times [2025-03-08 20:18:05,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:18:05,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91637459] [2025-03-08 20:18:05,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:18:05,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:18:07,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 364 statements into 1 equivalence classes. [2025-03-08 20:18:08,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 364 of 364 statements. [2025-03-08 20:18:08,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:18:08,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:18:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2834 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2025-03-08 20:18:09,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:18:09,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91637459] [2025-03-08 20:18:09,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91637459] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:18:09,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:18:09,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 20:18:09,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008452150] [2025-03-08 20:18:09,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:18:09,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 20:18:09,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:18:09,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 20:18:09,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 20:18:09,007 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) [2025-03-08 20:18:09,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:18:09,989 INFO L93 Difference]: Finished difference Result 11996 states and 16099 transitions. [2025-03-08 20:18:09,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 20:18:09,989 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 [2025-03-08 20:18:09,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:18:10,040 INFO L225 Difference]: With dead ends: 11996 [2025-03-08 20:18:10,040 INFO L226 Difference]: Without dead ends: 11842 [2025-03-08 20:18:10,049 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 [2025-03-08 20:18:10,051 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 [2025-03-08 20:18:10,051 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] [2025-03-08 20:18:10,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11842 states. [2025-03-08 20:18:10,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11842 to 11842. [2025-03-08 20:18:10,510 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) [2025-03-08 20:18:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11842 states to 11842 states and 15882 transitions. [2025-03-08 20:18:10,551 INFO L78 Accepts]: Start accepts. Automaton has 11842 states and 15882 transitions. Word has length 364 [2025-03-08 20:18:10,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:18:10,551 INFO L471 AbstractCegarLoop]: Abstraction has 11842 states and 15882 transitions. [2025-03-08 20:18:10,552 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) [2025-03-08 20:18:10,552 INFO L276 IsEmpty]: Start isEmpty. Operand 11842 states and 15882 transitions. [2025-03-08 20:18:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2025-03-08 20:18:10,567 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:18:10,567 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] [2025-03-08 20:18:10,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 20:18:10,568 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)] === [2025-03-08 20:18:10,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:18:10,568 INFO L85 PathProgramCache]: Analyzing trace with hash -373050720, now seen corresponding path program 1 times [2025-03-08 20:18:10,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:18:10,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451938732] [2025-03-08 20:18:10,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:18:10,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:18:12,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 444 statements into 1 equivalence classes. [2025-03-08 20:18:12,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 444 of 444 statements. [2025-03-08 20:18:12,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:18:12,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:18:13,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3014 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2997 trivial. 0 not checked. [2025-03-08 20:18:13,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:18:13,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451938732] [2025-03-08 20:18:13,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451938732] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:18:13,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:18:13,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:18:13,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676443733] [2025-03-08 20:18:13,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:18:13,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:18:13,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:18:13,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:18:13,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:18:13,336 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) [2025-03-08 20:18:17,367 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 [] [2025-03-08 20:18:19,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:18:19,053 INFO L93 Difference]: Finished difference Result 28873 states and 38772 transitions. [2025-03-08 20:18:19,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:18:19,053 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 [2025-03-08 20:18:19,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:18:19,104 INFO L225 Difference]: With dead ends: 28873 [2025-03-08 20:18:19,104 INFO L226 Difference]: Without dead ends: 17005 [2025-03-08 20:18:19,126 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 [2025-03-08 20:18:19,126 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 [2025-03-08 20:18:19,126 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] [2025-03-08 20:18:19,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17005 states. [2025-03-08 20:18:19,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17005 to 17001. [2025-03-08 20:18:19,498 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) [2025-03-08 20:18:19,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17001 states to 17001 states and 22828 transitions. [2025-03-08 20:18:19,551 INFO L78 Accepts]: Start accepts. Automaton has 17001 states and 22828 transitions. Word has length 444 [2025-03-08 20:18:19,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:18:19,552 INFO L471 AbstractCegarLoop]: Abstraction has 17001 states and 22828 transitions. [2025-03-08 20:18:19,552 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) [2025-03-08 20:18:19,552 INFO L276 IsEmpty]: Start isEmpty. Operand 17001 states and 22828 transitions. [2025-03-08 20:18:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2025-03-08 20:18:19,565 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:18:19,565 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:18:19,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 20:18:19,565 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)] === [2025-03-08 20:18:19,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:18:19,566 INFO L85 PathProgramCache]: Analyzing trace with hash 849972845, now seen corresponding path program 1 times [2025-03-08 20:18:19,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:18:19,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421216290] [2025-03-08 20:18:19,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:18:19,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:18:22,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 473 statements into 1 equivalence classes. [2025-03-08 20:18:22,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 473 of 473 statements. [2025-03-08 20:18:22,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:18:22,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:18:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3253 trivial. 0 not checked. [2025-03-08 20:18:22,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:18:22,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421216290] [2025-03-08 20:18:22,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421216290] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:18:22,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:18:22,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:18:22,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750557854] [2025-03-08 20:18:22,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:18:22,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:18:22,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:18:22,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:18:22,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:18:22,566 INFO L87 Difference]: Start difference. First operand 17001 states and 22828 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2025-03-08 20:18:26,595 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 []