./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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-803cd42-m [2024-11-22 16:15:10,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 16:15:10,748 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 16:15:10,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 16:15:10,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 16:15:10,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 16:15:10,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 16:15:10,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 16:15:10,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 16:15:10,786 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 16:15:10,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 16:15:10,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 16:15:10,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 16:15:10,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 16:15:10,788 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 16:15:10,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 16:15:10,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 16:15:10,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 16:15:10,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 16:15:10,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 16:15:10,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 16:15:10,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 16:15:10,795 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 16:15:10,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 16:15:10,796 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 16:15:10,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 16:15:10,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 16:15:10,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 16:15:10,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 16:15:10,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 16:15:10,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 16:15:10,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 16:15:10,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 16:15:10,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 16:15:10,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 16:15:10,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 16:15:10,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 16:15:10,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 16:15:10,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 16:15:10,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6afaf5bedcc2af934f5b2a4cc6fb91099717aaf97d30d9787d5c01855a1a43 [2024-11-22 16:15:11,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 16:15:11,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 16:15:11,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 16:15:11,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 16:15:11,029 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 16:15:11,030 INFO L431 ainManager$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 [2024-11-22 16:15:12,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 16:15:13,057 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 16:15:13,058 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 [2024-11-22 16:15:13,091 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3688195b7/1a00b25d42ba4e8e969ce680b15635d1/FLAGb6b035b46 [2024-11-22 16:15:13,104 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3688195b7/1a00b25d42ba4e8e969ce680b15635d1 [2024-11-22 16:15:13,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 16:15:13,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 16:15:13,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 16:15:13,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 16:15:13,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 16:15:13,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:15:13" (1/1) ... [2024-11-22 16:15:13,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50618357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:13, skipping insertion in model container [2024-11-22 16:15:13,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:15:13" (1/1) ... [2024-11-22 16:15:13,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 16:15:14,247 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] [2024-11-22 16:15:14,251 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] [2024-11-22 16:15:14,251 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] [2024-11-22 16:15:14,252 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] [2024-11-22 16:15:14,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 16:15:14,289 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 16:15:14,344 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] [2024-11-22 16:15:14,345 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] [2024-11-22 16:15:14,347 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] [2024-11-22 16:15:14,561 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] [2024-11-22 16:15:14,563 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] [2024-11-22 16:15:14,564 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] [2024-11-22 16:15:14,564 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] [2024-11-22 16:15:14,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 16:15:14,637 INFO L204 MainTranslator]: Completed translation [2024-11-22 16:15:14,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14 WrapperNode [2024-11-22 16:15:14,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 16:15:14,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 16:15:14,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 16:15:14,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 16:15:14,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:14,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:14,891 INFO L138 Inliner]: procedures = 240, calls = 995, calls flagged for inlining = 130, calls inlined = 118, statements flattened = 3191 [2024-11-22 16:15:14,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 16:15:14,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 16:15:14,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 16:15:14,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 16:15:14,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:14,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:14,925 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:15,385 INFO L175 MemorySlicer]: Split 506 memory accesses to 27 slices as follows [64, 6, 6, 1, 1, 3, 12, 81, 1, 2, 3, 8, 8, 7, 1, 3, 1, 2, 1, 2, 28, 28, 13, 7, 23, 191, 3]. 38 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 8, 8, 7, 1, 0, 1, 0, 1, 2, 0, 0, 0, 7, 0, 2, 0]. The 285 writes are split as follows [19, 2, 2, 1, 1, 0, 12, 81, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 28, 13, 0, 23, 75, 0]. [2024-11-22 16:15:15,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:15,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:15,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:15,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:15,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:15,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:15,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 16:15:15,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 16:15:15,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 16:15:15,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 16:15:15,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (1/1) ... [2024-11-22 16:15:15,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 16:15:15,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 16:15:15,613 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) [2024-11-22 16:15:15,623 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 [2024-11-22 16:15:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2024-11-22 16:15:15,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2024-11-22 16:15:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 16:15:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 16:15:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 16:15:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 16:15:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 16:15:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 16:15:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 16:15:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 16:15:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 16:15:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-22 16:15:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-22 16:15:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-22 16:15:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-22 16:15:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-22 16:15:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-22 16:15:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-22 16:15:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-22 16:15:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-22 16:15:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-22 16:15:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-22 16:15:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2024-11-22 16:15:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2024-11-22 16:15:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 16:15:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 16:15:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2024-11-22 16:15:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2024-11-22 16:15:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure copy_strings_kernel [2024-11-22 16:15:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_strings_kernel [2024-11-22 16:15:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2024-11-22 16:15:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2024-11-22 16:15:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-22 16:15:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-22 16:15:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-22 16:15:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-22 16:15:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-22 16:15:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-22 16:15:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-22 16:15:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-22 16:15:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-22 16:15:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-22 16:15:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-22 16:15:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-22 16:15:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-22 16:15:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-22 16:15:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-22 16:15:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-22 16:15:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-22 16:15:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-22 16:15:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-22 16:15:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-22 16:15:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-22 16:15:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-22 16:15:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-22 16:15:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-22 16:15:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-11-22 16:15:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-11-22 16:15:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-11-22 16:15:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-22 16:15:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-22 16:15:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-22 16:15:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-22 16:15:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-22 16:15:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-22 16:15:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-22 16:15:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-22 16:15:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-22 16:15:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-22 16:15:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-11-22 16:15:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-11-22 16:15:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-11-22 16:15:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-11-22 16:15:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-11-22 16:15:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 16:15:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure kill_node [2024-11-22 16:15:15,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_node [2024-11-22 16:15:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2024-11-22 16:15:15,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2024-11-22 16:15:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-22 16:15:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-22 16:15:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure allow_write_access [2024-11-22 16:15:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_write_access [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-22 16:15:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-22 16:15:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-22 16:15:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2024-11-22 16:15:15,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_misc_binfmt_7_2 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-22 16:15:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-22 16:15:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-22 16:15:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-22 16:15:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-22 16:15:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-22 16:15:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-22 16:15:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-22 16:15:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-22 16:15:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-22 16:15:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-22 16:15:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-22 16:15:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-22 16:15:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure bm_evict_inode [2024-11-22 16:15:15,680 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_evict_inode [2024-11-22 16:15:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure kill_litter_super [2024-11-22 16:15:15,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_litter_super [2024-11-22 16:15:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2024-11-22 16:15:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2024-11-22 16:15:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-22 16:15:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-22 16:15:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-22 16:15:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-22 16:15:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 16:15:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 16:15:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 16:15:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 16:15:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 16:15:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 16:15:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-22 16:15:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-22 16:15:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-22 16:15:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-22 16:15:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-22 16:15:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-22 16:15:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-22 16:15:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-22 16:15:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-22 16:15:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-22 16:15:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-22 16:15:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-22 16:15:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure parse_command [2024-11-22 16:15:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_command [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 16:15:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 16:15:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 16:15:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 16:15:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 16:15:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-22 16:15:15,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-22 16:15:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-22 16:15:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-22 16:15:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-22 16:15:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-22 16:15:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-22 16:15:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-22 16:15:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-22 16:15:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-22 16:15:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-22 16:15:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-22 16:15:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-22 16:15:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure bm_register_write [2024-11-22 16:15:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_register_write [2024-11-22 16:15:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_read [2024-11-22 16:15:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_read [2024-11-22 16:15:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-22 16:15:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-22 16:15:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-22 16:15:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-22 16:15:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_write [2024-11-22 16:15:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_write [2024-11-22 16:15:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-22 16:15:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-22 16:15:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-22 16:15:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-22 16:15:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 16:15:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 16:15:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 16:15:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-22 16:15:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure scanarg [2024-11-22 16:15:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure scanarg [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 16:15:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-22 16:15:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-22 16:15:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-22 16:15:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2024-11-22 16:15:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-22 16:15:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure bm_entry_write [2024-11-22 16:15:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_entry_write [2024-11-22 16:15:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-22 16:15:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-22 16:15:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-22 16:15:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-22 16:15:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-22 16:15:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-22 16:15:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-22 16:15:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-22 16:15:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-22 16:15:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-22 16:15:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure string_unescape_inplace [2024-11-22 16:15:15,694 INFO L138 BoogieDeclarations]: Found implementation of procedure string_unescape_inplace [2024-11-22 16:15:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2024-11-22 16:15:15,694 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2024-11-22 16:15:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-22 16:15:15,695 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-22 16:15:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure bm_status_read [2024-11-22 16:15:15,695 INFO L138 BoogieDeclarations]: Found implementation of procedure bm_status_read [2024-11-22 16:15:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-22 16:15:15,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-22 16:15:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-22 16:15:15,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-22 16:15:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 16:15:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 16:15:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 16:15:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 16:15:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-22 16:15:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-22 16:15:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-22 16:15:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-22 16:15:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-22 16:15:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-22 16:15:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-22 16:15:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-22 16:15:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-22 16:15:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-22 16:15:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-22 16:15:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-22 16:15:15,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-22 16:15:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 16:15:15,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 16:15:15,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2024-11-22 16:15:15,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2024-11-22 16:15:15,698 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-22 16:15:15,698 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-22 16:15:16,317 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 16:15:16,320 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 16:15:16,342 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-22 16:15:26,572 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-22 16:15:27,339 INFO L? ?]: Removed 1331 outVars from TransFormulas that were not future-live. [2024-11-22 16:15:27,339 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 16:15:27,381 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 16:15:27,381 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-22 16:15:27,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:15:27 BoogieIcfgContainer [2024-11-22 16:15:27,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 16:15:27,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 16:15:27,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 16:15:27,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 16:15:27,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:15:13" (1/3) ... [2024-11-22 16:15:27,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c94750a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:15:27, skipping insertion in model container [2024-11-22 16:15:27,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:15:14" (2/3) ... [2024-11-22 16:15:27,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c94750a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:15:27, skipping insertion in model container [2024-11-22 16:15:27,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:15:27" (3/3) ... [2024-11-22 16:15:27,391 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-binfmt_misc.cil.i [2024-11-22 16:15:27,405 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 16:15:27,406 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-22 16:15:27,500 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 16:15:27,509 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;@3afa0c7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 16:15:27,510 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-22 16:15:27,521 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) [2024-11-22 16:15:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-22 16:15:27,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:15:27,554 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] [2024-11-22 16:15:27,554 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)] === [2024-11-22 16:15:27,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:15:27,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1706564976, now seen corresponding path program 1 times [2024-11-22 16:15:27,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:15:27,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83624497] [2024-11-22 16:15:27,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:15:27,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:15:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:15:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2024-11-22 16:15:32,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:15:32,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83624497] [2024-11-22 16:15:32,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83624497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:15:32,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:15:32,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:15:32,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176946488] [2024-11-22 16:15:32,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:15:32,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:15:32,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:15:32,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:15:32,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:15:32,124 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) [2024-11-22 16:15:36,176 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 [] [2024-11-22 16:15:37,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:15:37,179 INFO L93 Difference]: Finished difference Result 2939 states and 4185 transitions. [2024-11-22 16:15:37,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:15:37,182 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 [2024-11-22 16:15:37,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:15:37,206 INFO L225 Difference]: With dead ends: 2939 [2024-11-22 16:15:37,207 INFO L226 Difference]: Without dead ends: 1931 [2024-11-22 16:15:37,214 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 [2024-11-22 16:15:37,216 INFO L432 NwaCegarLoop]: 1482 mSDtfsCounter, 1293 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.9s IncrementalHoareTripleChecker+Time [2024-11-22 16:15:37,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 2885 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-22 16:15:37,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2024-11-22 16:15:37,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1927. [2024-11-22 16:15:37,343 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) [2024-11-22 16:15:37,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1927 states and 2703 transitions. [2024-11-22 16:15:37,359 INFO L78 Accepts]: Start accepts. Automaton has 1927 states and 2703 transitions. Word has length 294 [2024-11-22 16:15:37,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:15:37,365 INFO L471 AbstractCegarLoop]: Abstraction has 1927 states and 2703 transitions. [2024-11-22 16:15:37,366 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) [2024-11-22 16:15:37,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2703 transitions. [2024-11-22 16:15:37,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-22 16:15:37,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:15:37,377 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] [2024-11-22 16:15:37,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 16:15:37,378 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)] === [2024-11-22 16:15:37,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:15:37,378 INFO L85 PathProgramCache]: Analyzing trace with hash 882687581, now seen corresponding path program 1 times [2024-11-22 16:15:37,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:15:37,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466399177] [2024-11-22 16:15:37,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:15:37,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:15:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:15:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2024-11-22 16:15:40,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:15:40,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466399177] [2024-11-22 16:15:40,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466399177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:15:40,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:15:40,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:15:40,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089231962] [2024-11-22 16:15:40,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:15:40,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:15:40,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:15:40,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:15:40,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:15:40,728 INFO L87 Difference]: Start difference. First operand 1927 states and 2703 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) [2024-11-22 16:15:44,761 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 [] [2024-11-22 16:15:45,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:15:45,875 INFO L93 Difference]: Finished difference Result 4655 states and 6498 transitions. [2024-11-22 16:15:45,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:15:45,876 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 [2024-11-22 16:15:45,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:15:45,895 INFO L225 Difference]: With dead ends: 4655 [2024-11-22 16:15:45,896 INFO L226 Difference]: Without dead ends: 2781 [2024-11-22 16:15:45,903 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 [2024-11-22 16:15:45,905 INFO L432 NwaCegarLoop]: 1458 mSDtfsCounter, 1237 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 2855 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 [2024-11-22 16:15:45,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 2855 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-22 16:15:45,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2024-11-22 16:15:46,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2759. [2024-11-22 16:15:46,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2053 states have (on average 1.323429128105212) internal successors, (2717), 2075 states have internal predecessors, (2717), 559 states have call successors, (559), 145 states have call predecessors, (559), 144 states have return successors, (555), 550 states have call predecessors, (555), 555 states have call successors, (555) [2024-11-22 16:15:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3831 transitions. [2024-11-22 16:15:46,101 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3831 transitions. Word has length 363 [2024-11-22 16:15:46,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:15:46,102 INFO L471 AbstractCegarLoop]: Abstraction has 2759 states and 3831 transitions. [2024-11-22 16:15:46,103 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) [2024-11-22 16:15:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3831 transitions. [2024-11-22 16:15:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-11-22 16:15:46,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:15:46,111 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] [2024-11-22 16:15:46,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 16:15:46,112 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)] === [2024-11-22 16:15:46,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:15:46,114 INFO L85 PathProgramCache]: Analyzing trace with hash -27323336, now seen corresponding path program 1 times [2024-11-22 16:15:46,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:15:46,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108609475] [2024-11-22 16:15:46,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:15:46,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:15:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:15:49,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2591 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2591 trivial. 0 not checked. [2024-11-22 16:15:49,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:15:49,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108609475] [2024-11-22 16:15:49,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108609475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:15:49,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:15:49,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:15:49,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108328520] [2024-11-22 16:15:49,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:15:49,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:15:49,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:15:49,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:15:49,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:15:49,283 INFO L87 Difference]: Start difference. First operand 2759 states and 3831 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) [2024-11-22 16:15:53,313 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 [] [2024-11-22 16:15:54,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:15:54,482 INFO L93 Difference]: Finished difference Result 6564 states and 9029 transitions. [2024-11-22 16:15:54,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:15:54,482 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 [2024-11-22 16:15:54,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:15:54,502 INFO L225 Difference]: With dead ends: 6564 [2024-11-22 16:15:54,502 INFO L226 Difference]: Without dead ends: 3858 [2024-11-22 16:15:54,510 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 [2024-11-22 16:15:54,511 INFO L432 NwaCegarLoop]: 1554 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, 2950 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 [2024-11-22 16:15:54,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 2950 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-22 16:15:54,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3858 states. [2024-11-22 16:15:54,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3858 to 3838. [2024-11-22 16:15:54,602 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) [2024-11-22 16:15:54,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5226 transitions. [2024-11-22 16:15:54,622 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5226 transitions. Word has length 360 [2024-11-22 16:15:54,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:15:54,623 INFO L471 AbstractCegarLoop]: Abstraction has 3838 states and 5226 transitions. [2024-11-22 16:15:54,623 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) [2024-11-22 16:15:54,624 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5226 transitions. [2024-11-22 16:15:54,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-22 16:15:54,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:15:54,629 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] [2024-11-22 16:15:54,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 16:15:54,629 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)] === [2024-11-22 16:15:54,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:15:54,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1592430706, now seen corresponding path program 1 times [2024-11-22 16:15:54,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:15:54,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73804051] [2024-11-22 16:15:54,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:15:54,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:15:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:15:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2607 trivial. 0 not checked. [2024-11-22 16:15:57,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:15:57,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73804051] [2024-11-22 16:15:57,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73804051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:15:57,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:15:57,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:15:57,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375436356] [2024-11-22 16:15:57,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:15:57,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:15:57,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:15:57,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:15:57,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:15:57,793 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) [2024-11-22 16:16:01,832 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 [] [2024-11-22 16:16:03,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:16:03,075 INFO L93 Difference]: Finished difference Result 10069 states and 13701 transitions. [2024-11-22 16:16:03,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:16:03,076 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 [2024-11-22 16:16:03,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:16:03,107 INFO L225 Difference]: With dead ends: 10069 [2024-11-22 16:16:03,107 INFO L226 Difference]: Without dead ends: 6284 [2024-11-22 16:16:03,117 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 [2024-11-22 16:16:03,119 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, 5.2s IncrementalHoareTripleChecker+Time [2024-11-22 16:16:03,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 3009 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-22 16:16:03,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6284 states. [2024-11-22 16:16:03,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6284 to 6266. [2024-11-22 16:16:03,258 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) [2024-11-22 16:16:03,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6266 states to 6266 states and 8485 transitions. [2024-11-22 16:16:03,279 INFO L78 Accepts]: Start accepts. Automaton has 6266 states and 8485 transitions. Word has length 366 [2024-11-22 16:16:03,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:16:03,279 INFO L471 AbstractCegarLoop]: Abstraction has 6266 states and 8485 transitions. [2024-11-22 16:16:03,280 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) [2024-11-22 16:16:03,280 INFO L276 IsEmpty]: Start isEmpty. Operand 6266 states and 8485 transitions. [2024-11-22 16:16:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-22 16:16:03,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:16:03,283 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] [2024-11-22 16:16:03,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 16:16:03,283 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)] === [2024-11-22 16:16:03,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:16:03,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1880843310, now seen corresponding path program 1 times [2024-11-22 16:16:03,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:16:03,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664016400] [2024-11-22 16:16:03,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:16:03,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:16:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:16:06,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2024-11-22 16:16:06,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:16:06,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664016400] [2024-11-22 16:16:06,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664016400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:16:06,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:16:06,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:16:06,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217998093] [2024-11-22 16:16:06,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:16:06,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:16:06,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:16:06,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:16:06,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:16:06,297 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) [2024-11-22 16:16:10,324 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 [] [2024-11-22 16:16:11,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:16:11,287 INFO L93 Difference]: Finished difference Result 17508 states and 23780 transitions. [2024-11-22 16:16:11,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:16:11,287 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 [2024-11-22 16:16:11,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:16:11,417 INFO L225 Difference]: With dead ends: 17508 [2024-11-22 16:16:11,417 INFO L226 Difference]: Without dead ends: 11584 [2024-11-22 16:16:11,464 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 [2024-11-22 16:16:11,465 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 [2024-11-22 16:16:11,468 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] [2024-11-22 16:16:11,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11584 states. [2024-11-22 16:16:11,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11584 to 11580. [2024-11-22 16:16:11,810 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) [2024-11-22 16:16:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11580 states to 11580 states and 15683 transitions. [2024-11-22 16:16:11,860 INFO L78 Accepts]: Start accepts. Automaton has 11580 states and 15683 transitions. Word has length 354 [2024-11-22 16:16:11,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:16:11,861 INFO L471 AbstractCegarLoop]: Abstraction has 11580 states and 15683 transitions. [2024-11-22 16:16:11,862 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) [2024-11-22 16:16:11,862 INFO L276 IsEmpty]: Start isEmpty. Operand 11580 states and 15683 transitions. [2024-11-22 16:16:11,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-22 16:16:11,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:16:11,865 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] [2024-11-22 16:16:11,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 16:16:11,865 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)] === [2024-11-22 16:16:11,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:16:11,866 INFO L85 PathProgramCache]: Analyzing trace with hash -490895952, now seen corresponding path program 1 times [2024-11-22 16:16:11,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:16:11,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182662855] [2024-11-22 16:16:11,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:16:11,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:16:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:16:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2024-11-22 16:16:16,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:16:16,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182662855] [2024-11-22 16:16:16,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182662855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:16:16,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:16:16,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 16:16:16,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535642969] [2024-11-22 16:16:16,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:16:16,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 16:16:16,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:16:16,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 16:16:16,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 16:16:16,381 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) [2024-11-22 16:16:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:16:17,107 INFO L93 Difference]: Finished difference Result 11980 states and 16084 transitions. [2024-11-22 16:16:17,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 16:16:17,108 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 [2024-11-22 16:16:17,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:16:17,162 INFO L225 Difference]: With dead ends: 11980 [2024-11-22 16:16:17,162 INFO L226 Difference]: Without dead ends: 11978 [2024-11-22 16:16:17,169 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 [2024-11-22 16:16:17,170 INFO L432 NwaCegarLoop]: 1444 mSDtfsCounter, 1261 mSDsluCounter, 3029 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-22 16:16:17,171 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] [2024-11-22 16:16:17,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11978 states. [2024-11-22 16:16:17,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11978 to 11978. [2024-11-22 16:16:17,463 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) [2024-11-22 16:16:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11978 states to 11978 states and 16082 transitions. [2024-11-22 16:16:17,505 INFO L78 Accepts]: Start accepts. Automaton has 11978 states and 16082 transitions. Word has length 354 [2024-11-22 16:16:17,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:16:17,506 INFO L471 AbstractCegarLoop]: Abstraction has 11978 states and 16082 transitions. [2024-11-22 16:16:17,507 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) [2024-11-22 16:16:17,507 INFO L276 IsEmpty]: Start isEmpty. Operand 11978 states and 16082 transitions. [2024-11-22 16:16:17,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-11-22 16:16:17,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:16:17,510 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] [2024-11-22 16:16:17,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 16:16:17,510 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)] === [2024-11-22 16:16:17,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:16:17,511 INFO L85 PathProgramCache]: Analyzing trace with hash -545491696, now seen corresponding path program 1 times [2024-11-22 16:16:17,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:16:17,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700598828] [2024-11-22 16:16:17,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:16:17,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:16:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:16:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2826 trivial. 0 not checked. [2024-11-22 16:16:21,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:16:21,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700598828] [2024-11-22 16:16:21,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700598828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:16:21,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:16:21,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 16:16:21,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848927033] [2024-11-22 16:16:21,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:16:21,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 16:16:21,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:16:21,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 16:16:21,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 16:16:21,381 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) [2024-11-22 16:16:21,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:16:21,930 INFO L93 Difference]: Finished difference Result 11984 states and 16087 transitions. [2024-11-22 16:16:21,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 16:16:21,931 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 [2024-11-22 16:16:21,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:16:21,973 INFO L225 Difference]: With dead ends: 11984 [2024-11-22 16:16:21,974 INFO L226 Difference]: Without dead ends: 11980 [2024-11-22 16:16:21,981 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 [2024-11-22 16:16:21,982 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 [2024-11-22 16:16:21,982 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] [2024-11-22 16:16:21,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11980 states. [2024-11-22 16:16:22,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11980 to 11980. [2024-11-22 16:16:22,411 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) [2024-11-22 16:16:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11980 states to 11980 states and 16083 transitions. [2024-11-22 16:16:22,453 INFO L78 Accepts]: Start accepts. Automaton has 11980 states and 16083 transitions. Word has length 359 [2024-11-22 16:16:22,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:16:22,454 INFO L471 AbstractCegarLoop]: Abstraction has 11980 states and 16083 transitions. [2024-11-22 16:16:22,454 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) [2024-11-22 16:16:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 11980 states and 16083 transitions. [2024-11-22 16:16:22,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-22 16:16:22,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:16:22,458 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] [2024-11-22 16:16:22,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 16:16:22,458 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)] === [2024-11-22 16:16:22,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:16:22,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1549190800, now seen corresponding path program 1 times [2024-11-22 16:16:22,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:16:22,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174700035] [2024-11-22 16:16:22,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:16:22,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:16:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:16:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2834 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2830 trivial. 0 not checked. [2024-11-22 16:16:26,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:16:26,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174700035] [2024-11-22 16:16:26,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174700035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:16:26,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:16:26,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 16:16:26,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972556501] [2024-11-22 16:16:26,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:16:26,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 16:16:26,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:16:26,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 16:16:26,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 16:16:26,709 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) [2024-11-22 16:16:27,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:16:27,259 INFO L93 Difference]: Finished difference Result 11980 states and 16083 transitions. [2024-11-22 16:16:27,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 16:16:27,259 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 [2024-11-22 16:16:27,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:16:27,301 INFO L225 Difference]: With dead ends: 11980 [2024-11-22 16:16:27,301 INFO L226 Difference]: Without dead ends: 11826 [2024-11-22 16:16:27,309 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 [2024-11-22 16:16:27,310 INFO L432 NwaCegarLoop]: 1446 mSDtfsCounter, 1355 mSDsluCounter, 2885 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 16:16:27,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 4331 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 16:16:27,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11826 states. [2024-11-22 16:16:27,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11826 to 11826. [2024-11-22 16:16:27,615 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) [2024-11-22 16:16:27,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11826 states to 11826 states and 15866 transitions. [2024-11-22 16:16:27,656 INFO L78 Accepts]: Start accepts. Automaton has 11826 states and 15866 transitions. Word has length 364 [2024-11-22 16:16:27,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:16:27,657 INFO L471 AbstractCegarLoop]: Abstraction has 11826 states and 15866 transitions. [2024-11-22 16:16:27,657 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) [2024-11-22 16:16:27,657 INFO L276 IsEmpty]: Start isEmpty. Operand 11826 states and 15866 transitions. [2024-11-22 16:16:27,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2024-11-22 16:16:27,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:16:27,668 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 24, 24, 24, 24, 24, 24, 9, 9, 9, 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] [2024-11-22 16:16:27,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 16:16:27,669 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)] === [2024-11-22 16:16:27,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:16:27,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1184569262, now seen corresponding path program 1 times [2024-11-22 16:16:27,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:16:27,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113544950] [2024-11-22 16:16:27,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:16:27,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:16:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:16:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3046 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3029 trivial. 0 not checked. [2024-11-22 16:16:30,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:16:30,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113544950] [2024-11-22 16:16:30,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113544950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:16:30,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:16:30,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:16:30,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065932742] [2024-11-22 16:16:30,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:16:30,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:16:30,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:16:30,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:16:30,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:16:30,865 INFO L87 Difference]: Start difference. First operand 11826 states and 15866 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2024-11-22 16:16:34,894 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 [] [2024-11-22 16:16:36,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:16:36,074 INFO L93 Difference]: Finished difference Result 28833 states and 38732 transitions. [2024-11-22 16:16:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:16:36,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) Word has length 447 [2024-11-22 16:16:36,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:16:36,137 INFO L225 Difference]: With dead ends: 28833 [2024-11-22 16:16:36,138 INFO L226 Difference]: Without dead ends: 16981 [2024-11-22 16:16:36,171 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 [2024-11-22 16:16:36,172 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 [2024-11-22 16:16:36,172 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] [2024-11-22 16:16:36,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16981 states. [2024-11-22 16:16:36,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16981 to 16977. [2024-11-22 16:16:36,804 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) [2024-11-22 16:16:36,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16977 states to 16977 states and 22804 transitions. [2024-11-22 16:16:36,848 INFO L78 Accepts]: Start accepts. Automaton has 16977 states and 22804 transitions. Word has length 447 [2024-11-22 16:16:36,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:16:36,849 INFO L471 AbstractCegarLoop]: Abstraction has 16977 states and 22804 transitions. [2024-11-22 16:16:36,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2024-11-22 16:16:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 16977 states and 22804 transitions. [2024-11-22 16:16:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2024-11-22 16:16:36,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:16:36,860 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 24, 24, 24, 24, 24, 24, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:16:36,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 16:16:36,861 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)] === [2024-11-22 16:16:36,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:16:36,861 INFO L85 PathProgramCache]: Analyzing trace with hash -499647632, now seen corresponding path program 1 times [2024-11-22 16:16:36,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:16:36,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379425439] [2024-11-22 16:16:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:16:36,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms