./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-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 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 04:15:12,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 04:15:12,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 04:15:12,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 04:15:12,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 04:15:12,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 04:15:12,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 04:15:12,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 04:15:12,617 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 04:15:12,617 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 04:15:12,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 04:15:12,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 04:15:12,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 04:15:12,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 04:15:12,621 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 04:15:12,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 04:15:12,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 04:15:12,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 04:15:12,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 04:15:12,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 04:15:12,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 04:15:12,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 04:15:12,626 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 04:15:12,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 04:15:12,626 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 04:15:12,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 04:15:12,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 04:15:12,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 04:15:12,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 04:15:12,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:15:12,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 04:15:12,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 04:15:12,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 04:15:12,629 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 04:15:12,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 04:15:12,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 04:15:12,629 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 04:15:12,629 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 04:15:12,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 04:15:12,630 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6afaf5bedcc2af934f5b2a4cc6fb91099717aaf97d30d9787d5c01855a1a43 [2024-11-19 04:15:12,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 04:15:12,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 04:15:12,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 04:15:12,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 04:15:12,912 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 04:15:12,913 INFO L431 ainManager$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 [2024-11-19 04:15:14,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 04:15:14,667 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 04:15:14,668 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 [2024-11-19 04:15:14,700 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772df570e/ddac8d1ebf1749729fca6d37d944e311/FLAGd46d21085 [2024-11-19 04:15:14,918 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772df570e/ddac8d1ebf1749729fca6d37d944e311 [2024-11-19 04:15:14,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 04:15:14,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 04:15:14,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 04:15:14,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 04:15:14,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 04:15:14,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:14" (1/1) ... [2024-11-19 04:15:14,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2152cca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:14, skipping insertion in model container [2024-11-19 04:15:14,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:14" (1/1) ... [2024-11-19 04:15:15,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 04:15:16,026 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] [2024-11-19 04:15:16,029 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] [2024-11-19 04:15:16,030 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] [2024-11-19 04:15:16,030 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] [2024-11-19 04:15:16,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:15:16,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 04:15:16,142 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] [2024-11-19 04:15:16,144 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] [2024-11-19 04:15:16,145 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] [2024-11-19 04:15:16,354 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] [2024-11-19 04:15:16,355 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] [2024-11-19 04:15:16,355 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] [2024-11-19 04:15:16,355 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] [2024-11-19 04:15:16,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:15:16,417 INFO L204 MainTranslator]: Completed translation [2024-11-19 04:15:16,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16 WrapperNode [2024-11-19 04:15:16,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 04:15:16,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 04:15:16,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 04:15:16,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 04:15:16,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:16,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:16,553 INFO L138 Inliner]: procedures = 240, calls = 995, calls flagged for inlining = 130, calls inlined = 118, statements flattened = 3191 [2024-11-19 04:15:16,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 04:15:16,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 04:15:16,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 04:15:16,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 04:15:16,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:16,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:16,589 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:17,036 INFO L175 MemorySlicer]: Split 506 memory accesses to 27 slices as follows [12, 81, 6, 3, 64, 191, 1, 1, 3, 2, 3, 2, 8, 8, 7, 1, 1, 2, 3, 13, 28, 28, 23, 1, 6, 7, 1]. 38 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [0, 0, 0, 0, 0, 2, 0, 1, 0, 2, 3, 0, 8, 8, 7, 1, 1, 2, 0, 0, 0, 0, 0, 1, 0, 7, 0]. The 285 writes are split as follows [12, 81, 2, 0, 19, 75, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13, 28, 28, 23, 0, 2, 0, 1]. [2024-11-19 04:15:17,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:17,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:17,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:17,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:17,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:17,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:17,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 04:15:17,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 04:15:17,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 04:15:17,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 04:15:17,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (1/1) ... [2024-11-19 04:15:17,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:15:17,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:15:17,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 04:15:17,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 04:15:17,307 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2024-11-19 04:15:17,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2024-11-19 04:15:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 04:15:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 04:15:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 04:15:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 04:15:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 04:15:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 04:15:17,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 04:15:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 04:15:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 04:15:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 04:15:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 04:15:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 04:15:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 04:15:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 04:15:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 04:15:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 04:15:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 04:15:17,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 04:15:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 04:15:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-19 04:15:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-19 04:15:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-19 04:15:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-19 04:15:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-19 04:15:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-19 04:15:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-19 04:15:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-19 04:15:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 04:15:17,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 04:15:17,311 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2024-11-19 04:15:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2024-11-19 04:15:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2024-11-19 04:15:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2024-11-19 04:15:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 04:15:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 04:15:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2024-11-19 04:15:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2024-11-19 04:15:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2024-11-19 04:15:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2024-11-19 04:15:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2024-11-19 04:15:17,312 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2024-11-19 04:15:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 04:15:17,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 04:15:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 04:15:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 04:15:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 04:15:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 04:15:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 04:15:17,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 04:15:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 04:15:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 04:15:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 04:15:17,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 04:15:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 04:15:17,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-19 04:15:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-19 04:15:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-19 04:15:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-19 04:15:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-19 04:15:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-19 04:15:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-19 04:15:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-19 04:15:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-19 04:15:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-19 04:15:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-19 04:15:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-11-19 04:15:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-11-19 04:15:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-11-19 04:15:17,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 04:15:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 04:15:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 04:15:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 04:15:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 04:15:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 04:15:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 04:15:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 04:15:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 04:15:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 04:15:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 04:15:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 04:15:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 04:15:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-19 04:15:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-19 04:15:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-11-19 04:15:17,321 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-11-19 04:15:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-11-19 04:15:17,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2024-11-19 04:15:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2024-11-19 04:15:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 04:15:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 04:15:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 04:15:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 04:15:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 04:15:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 04:15:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 04:15:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 04:15:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 04:15:17,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 04:15:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 04:15:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 04:15:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 04:15:17,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-19 04:15:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-19 04:15:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-19 04:15:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-19 04:15:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-19 04:15:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-19 04:15:17,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-19 04:15:17,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-19 04:15:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2024-11-19 04:15:17,327 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2024-11-19 04:15:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 04:15:17,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 04:15:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-19 04:15:17,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-19 04:15:17,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2024-11-19 04:15:17,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2024-11-19 04:15:17,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 04:15:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 04:15:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 04:15:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 04:15:17,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 04:15:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-19 04:15:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2024-11-19 04:15:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2024-11-19 04:15:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2024-11-19 04:15:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2024-11-19 04:15:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2024-11-19 04:15:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2024-11-19 04:15:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-19 04:15:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-19 04:15:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-19 04:15:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-19 04:15:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 04:15:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 04:15:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 04:15:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 04:15:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 04:15:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 04:15:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 04:15:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 04:15:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 04:15:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 04:15:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 04:15:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 04:15:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 04:15:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 04:15:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 04:15:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 04:15:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 04:15:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 04:15:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 04:15:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-19 04:15:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-19 04:15:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-19 04:15:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-19 04:15:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-19 04:15:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-19 04:15:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-19 04:15:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-19 04:15:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-19 04:15:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-19 04:15:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2024-11-19 04:15:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2024-11-19 04:15:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 04:15:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 04:15:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 04:15:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 04:15:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 04:15:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 04:15:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 04:15:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 04:15:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 04:15:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 04:15:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 04:15:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 04:15:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 04:15:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 04:15:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 04:15:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 04:15:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 04:15:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 04:15:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 04:15:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 04:15:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 04:15:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-19 04:15:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-19 04:15:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-19 04:15:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-19 04:15:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-19 04:15:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-19 04:15:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-19 04:15:17,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-19 04:15:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2024-11-19 04:15:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2024-11-19 04:15:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2024-11-19 04:15:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2024-11-19 04:15:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-19 04:15:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-19 04:15:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-19 04:15:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-19 04:15:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2024-11-19 04:15:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2024-11-19 04:15:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 04:15:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 04:15:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-19 04:15:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-19 04:15:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 04:15:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 04:15:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 04:15:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 04:15:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 04:15:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 04:15:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 04:15:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 04:15:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 04:15:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 04:15:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 04:15:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 04:15:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 04:15:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 04:15:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 04:15:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 04:15:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 04:15:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2024-11-19 04:15:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 04:15:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 04:15:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-19 04:15:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-19 04:15:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-19 04:15:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-19 04:15:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-19 04:15:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-19 04:15:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2024-11-19 04:15:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2024-11-19 04:15:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-19 04:15:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-19 04:15:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2024-11-19 04:15:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2024-11-19 04:15:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 04:15:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-19 04:15:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-19 04:15:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 04:15:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 04:15:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 04:15:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 04:15:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 04:15:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 04:15:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 04:15:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 04:15:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 04:15:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-19 04:15:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-19 04:15:17,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-19 04:15:17,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-19 04:15:17,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-19 04:15:17,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-19 04:15:17,353 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2024-11-19 04:15:17,353 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2024-11-19 04:15:17,353 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2024-11-19 04:15:17,353 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2024-11-19 04:15:17,353 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-19 04:15:17,353 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-19 04:15:17,353 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2024-11-19 04:15:17,353 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2024-11-19 04:15:17,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-19 04:15:17,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-19 04:15:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 04:15:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 04:15:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 04:15:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 04:15:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 04:15:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 04:15:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 04:15:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 04:15:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 04:15:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 04:15:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 04:15:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 04:15:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 04:15:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 04:15:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 04:15:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 04:15:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 04:15:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 04:15:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 04:15:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 04:15:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 04:15:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 04:15:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 04:15:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-19 04:15:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-19 04:15:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-19 04:15:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-19 04:15:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-19 04:15:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-19 04:15:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-19 04:15:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-19 04:15:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 04:15:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 04:15:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2024-11-19 04:15:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2024-11-19 04:15:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-19 04:15:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-19 04:15:17,939 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 04:15:17,941 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 04:15:17,960 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 04:15:28,220 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-19 04:15:28,728 INFO L? ?]: Removed 1331 outVars from TransFormulas that were not future-live. [2024-11-19 04:15:28,729 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 04:15:28,775 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 04:15:28,775 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-19 04:15:28,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:15:28 BoogieIcfgContainer [2024-11-19 04:15:28,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 04:15:28,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 04:15:28,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 04:15:28,788 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 04:15:28,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:15:14" (1/3) ... [2024-11-19 04:15:28,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c608535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:15:28, skipping insertion in model container [2024-11-19 04:15:28,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:16" (2/3) ... [2024-11-19 04:15:28,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c608535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:15:28, skipping insertion in model container [2024-11-19 04:15:28,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:15:28" (3/3) ... [2024-11-19 04:15:28,790 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2024-11-19 04:15:28,811 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 04:15:28,811 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-19 04:15:28,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 04:15:28,933 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;@c8d303c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 04:15:28,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-19 04:15:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 1050 states, 760 states have (on average 1.3289473684210527) internal successors, (1010), 767 states have internal predecessors, (1010), 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) [2024-11-19 04:15:28,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-19 04:15:28,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:15:28,985 INFO L215 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] [2024-11-19 04:15:28,986 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)] === [2024-11-19 04:15:28,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:15:28,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1706564976, now seen corresponding path program 1 times [2024-11-19 04:15:28,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:15:28,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799380003] [2024-11-19 04:15:29,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:15:29,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:15:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:15:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2024-11-19 04:15:33,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:15:33,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799380003] [2024-11-19 04:15:33,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799380003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:15:33,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:15:33,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:15:33,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096065883] [2024-11-19 04:15:33,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:15:33,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:15:33,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:15:33,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:15:33,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:15:33,207 INFO L87 Difference]: Start difference. First operand has 1050 states, 760 states have (on average 1.3289473684210527) internal successors, (1010), 767 states have internal predecessors, (1010), 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) [2024-11-19 04:15:37,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:15:38,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:15:38,420 INFO L93 Difference]: Finished difference Result 2939 states and 4185 transitions. [2024-11-19 04:15:38,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:15:38,423 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 [2024-11-19 04:15:38,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:15:38,452 INFO L225 Difference]: With dead ends: 2939 [2024-11-19 04:15:38,453 INFO L226 Difference]: Without dead ends: 1931 [2024-11-19 04:15:38,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:15:38,465 INFO L432 NwaCegarLoop]: 1482 mSDtfsCounter, 1293 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:15:38,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 2885 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-19 04:15:38,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2024-11-19 04:15:38,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1927. [2024-11-19 04:15:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1927 states, 1417 states have (on average 1.3274523641496119) internal successors, (1881), 1430 states have internal predecessors, (1881), 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) [2024-11-19 04:15:38,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1927 states and 2703 transitions. [2024-11-19 04:15:38,652 INFO L78 Accepts]: Start accepts. Automaton has 1927 states and 2703 transitions. Word has length 294 [2024-11-19 04:15:38,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:15:38,658 INFO L471 AbstractCegarLoop]: Abstraction has 1927 states and 2703 transitions. [2024-11-19 04:15:38,659 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) [2024-11-19 04:15:38,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2703 transitions. [2024-11-19 04:15:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-11-19 04:15:38,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:15:38,669 INFO L215 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] [2024-11-19 04:15:38,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 04:15:38,670 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)] === [2024-11-19 04:15:38,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:15:38,671 INFO L85 PathProgramCache]: Analyzing trace with hash -27323336, now seen corresponding path program 1 times [2024-11-19 04:15:38,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:15:38,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124099964] [2024-11-19 04:15:38,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:15:38,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:15:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:15:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2591 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2591 trivial. 0 not checked. [2024-11-19 04:15:42,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:15:42,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124099964] [2024-11-19 04:15:42,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124099964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:15:42,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:15:42,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:15:42,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214637794] [2024-11-19 04:15:42,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:15:42,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:15:42,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:15:42,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:15:42,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:15:42,404 INFO L87 Difference]: Start difference. First operand 1927 states and 2703 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) [2024-11-19 04:15:46,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:15:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:15:47,580 INFO L93 Difference]: Finished difference Result 4303 states and 5974 transitions. [2024-11-19 04:15:47,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:15:47,580 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 [2024-11-19 04:15:47,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:15:47,595 INFO L225 Difference]: With dead ends: 4303 [2024-11-19 04:15:47,595 INFO L226 Difference]: Without dead ends: 2429 [2024-11-19 04:15:47,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:15:47,601 INFO L432 NwaCegarLoop]: 1458 mSDtfsCounter, 976 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 2854 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:15:47,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 2854 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-19 04:15:47,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2429 states. [2024-11-19 04:15:47,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2429 to 2409. [2024-11-19 04:15:47,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 1777 states have (on average 1.309510410804727) internal successors, (2327), 1797 states have internal predecessors, (2327), 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) [2024-11-19 04:15:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 3309 transitions. [2024-11-19 04:15:47,682 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 3309 transitions. Word has length 360 [2024-11-19 04:15:47,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:15:47,683 INFO L471 AbstractCegarLoop]: Abstraction has 2409 states and 3309 transitions. [2024-11-19 04:15:47,684 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) [2024-11-19 04:15:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 3309 transitions. [2024-11-19 04:15:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-19 04:15:47,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:15:47,689 INFO L215 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] [2024-11-19 04:15:47,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 04:15:47,689 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)] === [2024-11-19 04:15:47,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:15:47,694 INFO L85 PathProgramCache]: Analyzing trace with hash 882687581, now seen corresponding path program 1 times [2024-11-19 04:15:47,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:15:47,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666310718] [2024-11-19 04:15:47,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:15:47,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:15:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:15:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2024-11-19 04:15:50,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:15:50,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666310718] [2024-11-19 04:15:50,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666310718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:15:50,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:15:50,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:15:50,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40143462] [2024-11-19 04:15:50,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:15:50,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:15:50,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:15:50,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:15:50,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:15:50,633 INFO L87 Difference]: Start difference. First operand 2409 states and 3309 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) [2024-11-19 04:15:54,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:15:55,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:15:55,780 INFO L93 Difference]: Finished difference Result 6216 states and 8509 transitions. [2024-11-19 04:15:55,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:15:55,780 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 [2024-11-19 04:15:55,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:15:55,799 INFO L225 Difference]: With dead ends: 6216 [2024-11-19 04:15:55,800 INFO L226 Difference]: Without dead ends: 3860 [2024-11-19 04:15:55,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:15:55,809 INFO L432 NwaCegarLoop]: 1523 mSDtfsCounter, 1237 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 2920 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:15:55,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 2920 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-19 04:15:55,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3860 states. [2024-11-19 04:15:55,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3860 to 3838. [2024-11-19 04:15:55,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2869 states have (on average 1.3084698501219938) internal successors, (3754), 2902 states have internal predecessors, (3754), 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) [2024-11-19 04:15:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5226 transitions. [2024-11-19 04:15:55,924 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5226 transitions. Word has length 363 [2024-11-19 04:15:55,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:15:55,925 INFO L471 AbstractCegarLoop]: Abstraction has 3838 states and 5226 transitions. [2024-11-19 04:15:55,925 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) [2024-11-19 04:15:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5226 transitions. [2024-11-19 04:15:55,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-19 04:15:55,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:15:55,930 INFO L215 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] [2024-11-19 04:15:55,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 04:15:55,930 INFO L396 AbstractCegarLoop]: === Iteration 4 === 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)] === [2024-11-19 04:15:55,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:15:55,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1592430706, now seen corresponding path program 1 times [2024-11-19 04:15:55,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:15:55,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700730181] [2024-11-19 04:15:55,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:15:55,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:15:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:15:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2024-11-19 04:15:59,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:15:59,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700730181] [2024-11-19 04:15:59,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700730181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:15:59,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:15:59,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:15:59,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318151265] [2024-11-19 04:15:59,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:15:59,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:15:59,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:15:59,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:15:59,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:15:59,240 INFO L87 Difference]: Start difference. First operand 3838 states and 5226 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) [2024-11-19 04:16:03,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:16:04,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:04,496 INFO L93 Difference]: Finished difference Result 10069 states and 13701 transitions. [2024-11-19 04:16:04,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:16:04,497 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 [2024-11-19 04:16:04,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:04,526 INFO L225 Difference]: With dead ends: 10069 [2024-11-19 04:16:04,526 INFO L226 Difference]: Without dead ends: 6284 [2024-11-19 04:16:04,539 INFO L431 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 [2024-11-19 04:16:04,541 INFO L432 NwaCegarLoop]: 1614 mSDtfsCounter, 1237 mSDsluCounter, 1395 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 3009 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:04,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 3009 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-19 04:16:04,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6284 states. [2024-11-19 04:16:04,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6284 to 6266. [2024-11-19 04:16:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6266 states, 4728 states have (on average 1.3043570219966159) internal successors, (6167), 4790 states have internal predecessors, (6167), 1161 states have call successors, (1161), 375 states have call predecessors, (1161), 374 states have return successors, (1157), 1122 states have call predecessors, (1157), 1157 states have call successors, (1157) [2024-11-19 04:16:04,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6266 states to 6266 states and 8485 transitions. [2024-11-19 04:16:04,730 INFO L78 Accepts]: Start accepts. Automaton has 6266 states and 8485 transitions. Word has length 366 [2024-11-19 04:16:04,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:04,731 INFO L471 AbstractCegarLoop]: Abstraction has 6266 states and 8485 transitions. [2024-11-19 04:16:04,731 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) [2024-11-19 04:16:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 6266 states and 8485 transitions. [2024-11-19 04:16:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-19 04:16:04,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:04,736 INFO L215 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] [2024-11-19 04:16:04,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 04:16:04,736 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)] === [2024-11-19 04:16:04,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:04,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1880843310, now seen corresponding path program 1 times [2024-11-19 04:16:04,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:04,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398030407] [2024-11-19 04:16:04,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:04,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2024-11-19 04:16:07,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:07,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398030407] [2024-11-19 04:16:07,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398030407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:07,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:07,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:16:07,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897021373] [2024-11-19 04:16:07,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:07,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:16:07,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:07,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:16:07,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:07,582 INFO L87 Difference]: Start difference. First operand 6266 states and 8485 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) [2024-11-19 04:16:11,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:16:12,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:12,603 INFO L93 Difference]: Finished difference Result 17508 states and 23780 transitions. [2024-11-19 04:16:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:16:12,604 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 [2024-11-19 04:16:12,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:12,673 INFO L225 Difference]: With dead ends: 17508 [2024-11-19 04:16:12,673 INFO L226 Difference]: Without dead ends: 11584 [2024-11-19 04:16:12,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:12,705 INFO L432 NwaCegarLoop]: 2695 mSDtfsCounter, 1250 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 4110 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:12,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 4110 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-19 04:16:12,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11584 states. [2024-11-19 04:16:13,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11584 to 11580. [2024-11-19 04:16:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11580 states, 8780 states have (on average 1.3085421412300684) internal successors, (11489), 8864 states have internal predecessors, (11489), 2099 states have call successors, (2099), 699 states have call predecessors, (2099), 698 states have return successors, (2095), 2060 states have call predecessors, (2095), 2095 states have call successors, (2095) [2024-11-19 04:16:13,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11580 states to 11580 states and 15683 transitions. [2024-11-19 04:16:13,159 INFO L78 Accepts]: Start accepts. Automaton has 11580 states and 15683 transitions. Word has length 354 [2024-11-19 04:16:13,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:13,160 INFO L471 AbstractCegarLoop]: Abstraction has 11580 states and 15683 transitions. [2024-11-19 04:16:13,161 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) [2024-11-19 04:16:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 11580 states and 15683 transitions. [2024-11-19 04:16:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-19 04:16:13,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:13,165 INFO L215 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] [2024-11-19 04:16:13,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 04:16:13,166 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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)] === [2024-11-19 04:16:13,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:13,166 INFO L85 PathProgramCache]: Analyzing trace with hash -490895952, now seen corresponding path program 1 times [2024-11-19 04:16:13,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:13,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916401076] [2024-11-19 04:16:13,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:13,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2024-11-19 04:16:17,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:17,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916401076] [2024-11-19 04:16:17,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916401076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:17,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:17,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:16:17,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658520279] [2024-11-19 04:16:17,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:17,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:16:17,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:17,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:16:17,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:16:17,214 INFO L87 Difference]: Start difference. First operand 11580 states and 15683 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) [2024-11-19 04:16:17,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:17,829 INFO L93 Difference]: Finished difference Result 11980 states and 16084 transitions. [2024-11-19 04:16:17,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:16:17,829 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 [2024-11-19 04:16:17,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:17,884 INFO L225 Difference]: With dead ends: 11980 [2024-11-19 04:16:17,884 INFO L226 Difference]: Without dead ends: 11978 [2024-11-19 04:16:17,890 INFO L431 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 [2024-11-19 04:16:17,891 INFO L432 NwaCegarLoop]: 1444 mSDtfsCounter, 1261 mSDsluCounter, 3029 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 4473 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:17,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1262 Valid, 4473 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 04:16:17,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11978 states. [2024-11-19 04:16:18,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11978 to 11978. [2024-11-19 04:16:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11978 states, 9035 states have (on average 1.3016048699501936) internal successors, (11760), 9119 states have internal predecessors, (11760), 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) [2024-11-19 04:16:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11978 states to 11978 states and 16082 transitions. [2024-11-19 04:16:18,294 INFO L78 Accepts]: Start accepts. Automaton has 11978 states and 16082 transitions. Word has length 354 [2024-11-19 04:16:18,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:18,296 INFO L471 AbstractCegarLoop]: Abstraction has 11978 states and 16082 transitions. [2024-11-19 04:16:18,297 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) [2024-11-19 04:16:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 11978 states and 16082 transitions. [2024-11-19 04:16:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-11-19 04:16:18,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:18,301 INFO L215 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] [2024-11-19 04:16:18,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 04:16:18,301 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)] === [2024-11-19 04:16:18,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:18,302 INFO L85 PathProgramCache]: Analyzing trace with hash -545491696, now seen corresponding path program 1 times [2024-11-19 04:16:18,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:18,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036606944] [2024-11-19 04:16:18,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:18,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2024-11-19 04:16:22,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036606944] [2024-11-19 04:16:22,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036606944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:22,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:22,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:16:22,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587786802] [2024-11-19 04:16:22,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:22,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:16:22,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:22,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:16:22,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:16:22,331 INFO L87 Difference]: Start difference. First operand 11978 states and 16082 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) [2024-11-19 04:16:22,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:22,915 INFO L93 Difference]: Finished difference Result 11984 states and 16087 transitions. [2024-11-19 04:16:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:16:22,919 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 [2024-11-19 04:16:22,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:22,954 INFO L225 Difference]: With dead ends: 11984 [2024-11-19 04:16:22,955 INFO L226 Difference]: Without dead ends: 11980 [2024-11-19 04:16:22,958 INFO L431 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 [2024-11-19 04:16:22,959 INFO L432 NwaCegarLoop]: 1448 mSDtfsCounter, 1359 mSDsluCounter, 2887 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 4335 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:22,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 4335 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 04:16:22,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11980 states. [2024-11-19 04:16:23,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11980 to 11980. [2024-11-19 04:16:23,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11980 states, 9037 states have (on average 1.3014274648666593) internal successors, (11761), 9120 states have internal predecessors, (11761), 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) [2024-11-19 04:16:23,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11980 states to 11980 states and 16083 transitions. [2024-11-19 04:16:23,293 INFO L78 Accepts]: Start accepts. Automaton has 11980 states and 16083 transitions. Word has length 359 [2024-11-19 04:16:23,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:23,294 INFO L471 AbstractCegarLoop]: Abstraction has 11980 states and 16083 transitions. [2024-11-19 04:16:23,294 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) [2024-11-19 04:16:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 11980 states and 16083 transitions. [2024-11-19 04:16:23,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-19 04:16:23,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:23,298 INFO L215 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] [2024-11-19 04:16:23,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 04:16:23,298 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)] === [2024-11-19 04:16:23,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:23,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1549190800, now seen corresponding path program 1 times [2024-11-19 04:16:23,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:23,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716951989] [2024-11-19 04:16:23,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:23,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:27,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2834 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2024-11-19 04:16:27,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:27,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716951989] [2024-11-19 04:16:27,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716951989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:27,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:27,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 04:16:27,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640421717] [2024-11-19 04:16:27,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:27,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:16:27,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:27,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:16:27,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:16:27,045 INFO L87 Difference]: Start difference. First operand 11980 states and 16083 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) [2024-11-19 04:16:27,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:27,695 INFO L93 Difference]: Finished difference Result 11980 states and 16083 transitions. [2024-11-19 04:16:27,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:16:27,696 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 [2024-11-19 04:16:27,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:27,747 INFO L225 Difference]: With dead ends: 11980 [2024-11-19 04:16:27,747 INFO L226 Difference]: Without dead ends: 11826 [2024-11-19 04:16:27,759 INFO L431 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 [2024-11-19 04:16:27,760 INFO L432 NwaCegarLoop]: 1446 mSDtfsCounter, 1355 mSDsluCounter, 2885 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:27,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 4331 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 04:16:27,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11826 states. [2024-11-19 04:16:28,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11826 to 11826. [2024-11-19 04:16:28,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11826 states, 8948 states have (on average 1.3017434063477873) internal successors, (11648), 9007 states have internal predecessors, (11648), 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) [2024-11-19 04:16:28,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11826 states to 11826 states and 15866 transitions. [2024-11-19 04:16:28,164 INFO L78 Accepts]: Start accepts. Automaton has 11826 states and 15866 transitions. Word has length 364 [2024-11-19 04:16:28,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:28,165 INFO L471 AbstractCegarLoop]: Abstraction has 11826 states and 15866 transitions. [2024-11-19 04:16:28,166 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) [2024-11-19 04:16:28,166 INFO L276 IsEmpty]: Start isEmpty. Operand 11826 states and 15866 transitions. [2024-11-19 04:16:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-11-19 04:16:28,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:28,178 INFO L215 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] [2024-11-19 04:16:28,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 04:16:28,178 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)] === [2024-11-19 04:16:28,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:28,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1877302137, now seen corresponding path program 1 times [2024-11-19 04:16:28,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:28,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858794818] [2024-11-19 04:16:28,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:28,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3014 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2997 trivial. 0 not checked. [2024-11-19 04:16:31,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:31,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858794818] [2024-11-19 04:16:31,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858794818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:31,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:31,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:16:31,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715678930] [2024-11-19 04:16:31,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:31,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:16:31,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:31,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:16:31,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:31,646 INFO L87 Difference]: Start difference. First operand 11826 states and 15866 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) [2024-11-19 04:16:35,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:16:37,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:16:37,121 INFO L93 Difference]: Finished difference Result 28833 states and 38732 transitions. [2024-11-19 04:16:37,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:16:37,122 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 [2024-11-19 04:16:37,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:16:37,277 INFO L225 Difference]: With dead ends: 28833 [2024-11-19 04:16:37,278 INFO L226 Difference]: Without dead ends: 16981 [2024-11-19 04:16:37,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:37,358 INFO L432 NwaCegarLoop]: 2659 mSDtfsCounter, 1246 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-19 04:16:37,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 4044 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-19 04:16:37,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16981 states. [2024-11-19 04:16:37,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16981 to 16977. [2024-11-19 04:16:37,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16977 states, 12824 states have (on average 1.3041172800998129) internal successors, (16724), 12905 states have internal predecessors, (16724), 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) [2024-11-19 04:16:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16977 states to 16977 states and 22804 transitions. [2024-11-19 04:16:38,039 INFO L78 Accepts]: Start accepts. Automaton has 16977 states and 22804 transitions. Word has length 444 [2024-11-19 04:16:38,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:16:38,039 INFO L471 AbstractCegarLoop]: Abstraction has 16977 states and 22804 transitions. [2024-11-19 04:16:38,040 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) [2024-11-19 04:16:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 16977 states and 22804 transitions. [2024-11-19 04:16:38,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2024-11-19 04:16:38,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:16:38,054 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:16:38,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 04:16:38,055 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)] === [2024-11-19 04:16:38,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:16:38,061 INFO L85 PathProgramCache]: Analyzing trace with hash 396634117, now seen corresponding path program 1 times [2024-11-19 04:16:38,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:16:38,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148179625] [2024-11-19 04:16:38,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:16:38,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:16:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:16:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3249 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3238 trivial. 0 not checked. [2024-11-19 04:16:41,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:16:41,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148179625] [2024-11-19 04:16:41,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148179625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:16:41,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:16:41,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:16:41,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441698764] [2024-11-19 04:16:41,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:16:41,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:16:41,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:16:41,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:16:41,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:16:41,428 INFO L87 Difference]: Start difference. First operand 16977 states and 22804 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43)