./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_drivers-net-can-mcp251x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1 --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 34736e16fed7ff8cc88604084fa777d707e75948c95ce657a43a86ad92782d71 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:55:01,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:55:01,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 06:55:01,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:55:01,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:55:01,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:55:01,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:55:01,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:55:01,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:55:01,362 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:55:01,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:55:01,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:55:01,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:55:01,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:55:01,363 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:55:01,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:55:01,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:55:01,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:55:01,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:55:01,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:55:01,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:55:01,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:55:01,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:55:01,364 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:55:01,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:55:01,364 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:55:01,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:55:01,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:55:01,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:55:01,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:55:01,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:55:01,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:55:01,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:55:01,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:55:01,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:55:01,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:55:01,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:55:01,365 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:55:01,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:55:01,366 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:55:01,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:55:01,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:55:01,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:55:01,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:55:01,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:55:01,366 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1 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 -> 34736e16fed7ff8cc88604084fa777d707e75948c95ce657a43a86ad92782d71 [2024-12-02 06:55:01,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:55:01,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:55:01,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:55:01,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:55:01,568 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:55:01,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i [2024-12-02 06:55:04,148 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/data/5ee6688f1/7202060e5dae44d5b36d51d17815dd38/FLAGf8ed93234 [2024-12-02 06:55:04,583 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:55:04,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i [2024-12-02 06:55:04,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/data/5ee6688f1/7202060e5dae44d5b36d51d17815dd38/FLAGf8ed93234 [2024-12-02 06:55:04,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/data/5ee6688f1/7202060e5dae44d5b36d51d17815dd38 [2024-12-02 06:55:04,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:55:04,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:55:04,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:55:04,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:55:04,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:55:04,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:55:04" (1/1) ... [2024-12-02 06:55:04,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cc3ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:04, skipping insertion in model container [2024-12-02 06:55:04,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:55:04" (1/1) ... [2024-12-02 06:55:04,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:55:06,277 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278128,278141] [2024-12-02 06:55:06,280 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278294,278307] [2024-12-02 06:55:06,280 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278458,278471] [2024-12-02 06:55:06,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278623,278636] [2024-12-02 06:55:06,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:55:06,366 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:55:06,454 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"); [5334] [2024-12-02 06:55:06,456 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)); [5341] [2024-12-02 06:55:06,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5348] [2024-12-02 06:55:06,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5388-5389] [2024-12-02 06:55:06,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5394-5396] [2024-12-02 06:55:06,616 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278128,278141] [2024-12-02 06:55:06,616 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278294,278307] [2024-12-02 06:55:06,617 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278458,278471] [2024-12-02 06:55:06,617 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i[278623,278636] [2024-12-02 06:55:06,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:55:06,761 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:55:06,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06 WrapperNode [2024-12-02 06:55:06,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:55:06,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:55:06,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:55:06,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:55:06,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:06,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,009 INFO L138 Inliner]: procedures = 340, calls = 2037, calls flagged for inlining = 199, calls inlined = 180, statements flattened = 5303 [2024-12-02 06:55:07,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:55:07,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:55:07,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:55:07,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:55:07,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,044 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,749 INFO L175 MemorySlicer]: Split 1271 memory accesses to 21 slices as follows [1, 40, 11, 10, 25, 2, 8, 3, 1, 1084, 8, 28, 3, 12, 12, 8, 7, 3, 1, 2, 2]. 85 percent of accesses are in the largest equivalence class. The 728 initializations are split as follows [0, 0, 0, 0, 0, 0, 8, 0, 0, 686, 8, 0, 3, 0, 12, 8, 0, 0, 1, 0, 2]. The 270 writes are split as follows [0, 0, 1, 2, 23, 1, 0, 0, 0, 206, 0, 28, 0, 0, 0, 0, 6, 2, 0, 1, 0]. [2024-12-02 06:55:07,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,858 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:55:07,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:55:07,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:55:07,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:55:07,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (1/1) ... [2024-12-02 06:55:07,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:55:07,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:55:07,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:55:07,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:55:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 06:55:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 06:55:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 06:55:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 06:55:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 06:55:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 06:55:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 06:55:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 06:55:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 06:55:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 06:55:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 06:55:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 06:55:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 06:55:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 06:55:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 06:55:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 06:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-12-02 06:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-12-02 06:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 06:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 06:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2024-12-02 06:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2024-12-02 06:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 06:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 06:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2024-12-02 06:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2024-12-02 06:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2024-12-02 06:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2024-12-02 06:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2024-12-02 06:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2024-12-02 06:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-12-02 06:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-12-02 06:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2024-12-02 06:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2024-12-02 06:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 06:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 06:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 06:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 06:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 06:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 06:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2024-12-02 06:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2024-12-02 06:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2024-12-02 06:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2024-12-02 06:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 06:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 06:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-12-02 06:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-12-02 06:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2024-12-02 06:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2024-12-02 06:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2024-12-02 06:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2024-12-02 06:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 06:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 06:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 06:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-12-02 06:55:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-12-02 06:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-12-02 06:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-12-02 06:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 06:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 06:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 06:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 06:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 06:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 06:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2024-12-02 06:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2024-12-02 06:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 06:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 06:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-12-02 06:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-12-02 06:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-12-02 06:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-12-02 06:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2024-12-02 06:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2024-12-02 06:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 06:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 06:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-12-02 06:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2024-12-02 06:55:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 06:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2024-12-02 06:55:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 06:55:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2024-12-02 06:55:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 06:55:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 06:55:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 06:55:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2024-12-02 06:55:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2024-12-02 06:55:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-02 06:55:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:55:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:55:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:55:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:55:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:55:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 06:55:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 06:55:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 06:55:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 06:55:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-12-02 06:55:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2024-12-02 06:55:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2024-12-02 06:55:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 06:55:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 06:55:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 06:55:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 06:55:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 06:55:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 06:55:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 06:55:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 06:55:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 06:55:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 06:55:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 06:55:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 06:55:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 06:55:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 06:55:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 06:55:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 06:55:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 06:55:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 06:55:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2024-12-02 06:55:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2024-12-02 06:55:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-12-02 06:55:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-12-02 06:55:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2024-12-02 06:55:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2024-12-02 06:55:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:55:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:55:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:55:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mcp_lock_of_mcp251x_priv [2024-12-02 06:55:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mcp_lock_of_mcp251x_priv [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2024-12-02 06:55:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2024-12-02 06:55:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mcp_lock_of_mcp251x_priv [2024-12-02 06:55:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mcp_lock_of_mcp251x_priv [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 06:55:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2024-12-02 06:55:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2024-12-02 06:55:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 06:55:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 06:55:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-12-02 06:55:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-12-02 06:55:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2024-12-02 06:55:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 06:55:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 06:55:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 06:55:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2024-12-02 06:55:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2024-12-02 06:55:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-12-02 06:55:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2024-12-02 06:55:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2024-12-02 06:55:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2024-12-02 06:55:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2024-12-02 06:55:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 06:55:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 06:55:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:55:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:55:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 06:55:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 06:55:08,779 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:55:08,781 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:55:09,632 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 06:55:20,362 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 06:55:20,999 INFO L? ?]: Removed 2142 outVars from TransFormulas that were not future-live. [2024-12-02 06:55:20,999 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:55:21,060 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:55:21,060 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 06:55:21,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:55:21 BoogieIcfgContainer [2024-12-02 06:55:21,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:55:21,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:55:21,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:55:21,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:55:21,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:55:04" (1/3) ... [2024-12-02 06:55:21,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174c478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:55:21, skipping insertion in model container [2024-12-02 06:55:21,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:06" (2/3) ... [2024-12-02 06:55:21,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174c478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:55:21, skipping insertion in model container [2024-12-02 06:55:21,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:55:21" (3/3) ... [2024-12-02 06:55:21,069 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i [2024-12-02 06:55:21,083 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:55:21,086 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-can-mcp251x.cil.i that has 100 procedures, 1795 locations, 1 initial locations, 43 loop locations, and 3 error locations. [2024-12-02 06:55:21,166 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:55:21,177 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;@3607252a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:55:21,177 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 06:55:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 1693 states, 1243 states have (on average 1.3242156074014482) internal successors, (1646), 1266 states have internal predecessors, (1646), 369 states have call successors, (369), 79 states have call predecessors, (369), 78 states have return successors, (360), 354 states have call predecessors, (360), 360 states have call successors, (360) [2024-12-02 06:55:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 06:55:21,201 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:21,201 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:21,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === 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)] === [2024-12-02 06:55:21,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:21,206 INFO L85 PathProgramCache]: Analyzing trace with hash 415992281, now seen corresponding path program 1 times [2024-12-02 06:55:21,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:55:21,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250671228] [2024-12-02 06:55:21,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:21,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:55:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-12-02 06:55:28,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:55:28,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250671228] [2024-12-02 06:55:28,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250671228] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:55:28,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:55:28,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:55:28,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420544097] [2024-12-02 06:55:28,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:55:28,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:55:28,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:55:28,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:55:28,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:55:28,632 INFO L87 Difference]: Start difference. First operand has 1693 states, 1243 states have (on average 1.3242156074014482) internal successors, (1646), 1266 states have internal predecessors, (1646), 369 states have call successors, (369), 79 states have call predecessors, (369), 78 states have return successors, (360), 354 states have call predecessors, (360), 360 states have call successors, (360) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:55:32,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:55:33,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:33,101 INFO L93 Difference]: Finished difference Result 4728 states and 6765 transitions. [2024-12-02 06:55:33,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:55:33,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 149 [2024-12-02 06:55:33,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:33,137 INFO L225 Difference]: With dead ends: 4728 [2024-12-02 06:55:33,137 INFO L226 Difference]: Without dead ends: 3044 [2024-12-02 06:55:33,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:55:33,154 INFO L435 NwaCegarLoop]: 2376 mSDtfsCounter, 1956 mSDsluCounter, 2281 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 4657 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:33,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1956 Valid, 4657 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 06:55:33,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2024-12-02 06:55:33,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 3025. [2024-12-02 06:55:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3025 states, 2213 states have (on average 1.2950745594215995) internal successors, (2866), 2258 states have internal predecessors, (2866), 660 states have call successors, (660), 153 states have call predecessors, (660), 149 states have return successors, (698), 636 states have call predecessors, (698), 656 states have call successors, (698) [2024-12-02 06:55:33,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 3025 states and 4224 transitions. [2024-12-02 06:55:33,385 INFO L78 Accepts]: Start accepts. Automaton has 3025 states and 4224 transitions. Word has length 149 [2024-12-02 06:55:33,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:33,385 INFO L471 AbstractCegarLoop]: Abstraction has 3025 states and 4224 transitions. [2024-12-02 06:55:33,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:55:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 4224 transitions. [2024-12-02 06:55:33,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 06:55:33,390 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:33,391 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:33,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:55:33,391 INFO L396 AbstractCegarLoop]: === Iteration 2 === 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)] === [2024-12-02 06:55:33,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:33,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1267595525, now seen corresponding path program 1 times [2024-12-02 06:55:33,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:55:33,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384343387] [2024-12-02 06:55:33,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:33,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:55:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-12-02 06:55:40,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:55:40,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384343387] [2024-12-02 06:55:40,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384343387] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:55:40,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:55:40,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:55:40,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801131464] [2024-12-02 06:55:40,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:55:40,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:55:40,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:55:40,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:55:40,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:55:40,097 INFO L87 Difference]: Start difference. First operand 3025 states and 4224 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:55:44,143 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 [] [2024-12-02 06:55:44,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:44,518 INFO L93 Difference]: Finished difference Result 8882 states and 12411 transitions. [2024-12-02 06:55:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:55:44,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 151 [2024-12-02 06:55:44,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:44,545 INFO L225 Difference]: With dead ends: 8882 [2024-12-02 06:55:44,545 INFO L226 Difference]: Without dead ends: 5884 [2024-12-02 06:55:44,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:55:44,556 INFO L435 NwaCegarLoop]: 2336 mSDtfsCounter, 2196 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 4600 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:44,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2196 Valid, 4600 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 06:55:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5884 states. [2024-12-02 06:55:44,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5884 to 5880. [2024-12-02 06:55:44,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5880 states, 4318 states have (on average 1.296201945345067) internal successors, (5597), 4400 states have internal predecessors, (5597), 1264 states have call successors, (1264), 302 states have call predecessors, (1264), 295 states have return successors, (1344), 1223 states have call predecessors, (1344), 1260 states have call successors, (1344) [2024-12-02 06:55:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 5880 states and 8205 transitions. [2024-12-02 06:55:44,739 INFO L78 Accepts]: Start accepts. Automaton has 5880 states and 8205 transitions. Word has length 151 [2024-12-02 06:55:44,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:44,739 INFO L471 AbstractCegarLoop]: Abstraction has 5880 states and 8205 transitions. [2024-12-02 06:55:44,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:55:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5880 states and 8205 transitions. [2024-12-02 06:55:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 06:55:44,742 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:44,743 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:44,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:55:44,743 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)] === [2024-12-02 06:55:44,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:44,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1520219222, now seen corresponding path program 1 times [2024-12-02 06:55:44,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:55:44,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165571619] [2024-12-02 06:55:44,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:44,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:55:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-12-02 06:55:51,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:55:51,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165571619] [2024-12-02 06:55:51,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165571619] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:55:51,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:55:51,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:55:51,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191731507] [2024-12-02 06:55:51,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:55:51,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:55:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:55:51,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:55:51,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:55:51,530 INFO L87 Difference]: Start difference. First operand 5880 states and 8205 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 06:55:55,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:55:56,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:56,411 INFO L93 Difference]: Finished difference Result 16914 states and 23579 transitions. [2024-12-02 06:55:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:55:56,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 151 [2024-12-02 06:55:56,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:56,455 INFO L225 Difference]: With dead ends: 16914 [2024-12-02 06:55:56,455 INFO L226 Difference]: Without dead ends: 11061 [2024-12-02 06:55:56,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:55:56,476 INFO L435 NwaCegarLoop]: 2357 mSDtfsCounter, 2022 mSDsluCounter, 2227 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 4584 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:56,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 4584 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 06:55:56,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11061 states. [2024-12-02 06:55:56,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11061 to 11036. [2024-12-02 06:55:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11036 states, 8066 states have (on average 1.2902305975700472) internal successors, (10407), 8236 states have internal predecessors, (10407), 2382 states have call successors, (2382), 598 states have call predecessors, (2382), 585 states have return successors, (2482), 2293 states have call predecessors, (2482), 2378 states have call successors, (2482) [2024-12-02 06:55:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11036 states to 11036 states and 15271 transitions. [2024-12-02 06:55:56,811 INFO L78 Accepts]: Start accepts. Automaton has 11036 states and 15271 transitions. Word has length 151 [2024-12-02 06:55:56,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:56,811 INFO L471 AbstractCegarLoop]: Abstraction has 11036 states and 15271 transitions. [2024-12-02 06:55:56,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 06:55:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 11036 states and 15271 transitions. [2024-12-02 06:55:56,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 06:55:56,814 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:56,815 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:56,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:55:56,815 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)] === [2024-12-02 06:55:56,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:56,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1075175854, now seen corresponding path program 1 times [2024-12-02 06:55:56,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:55:56,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188822311] [2024-12-02 06:55:56,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:56,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-12-02 06:56:03,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:03,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188822311] [2024-12-02 06:56:03,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188822311] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:03,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:03,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:56:03,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967415086] [2024-12-02 06:56:03,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:03,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:56:03,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:03,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:56:03,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:03,330 INFO L87 Difference]: Start difference. First operand 11036 states and 15271 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 06:56:07,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:56:08,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:08,060 INFO L93 Difference]: Finished difference Result 26646 states and 36779 transitions. [2024-12-02 06:56:08,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:56:08,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 152 [2024-12-02 06:56:08,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:08,148 INFO L225 Difference]: With dead ends: 26646 [2024-12-02 06:56:08,149 INFO L226 Difference]: Without dead ends: 15637 [2024-12-02 06:56:08,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:08,185 INFO L435 NwaCegarLoop]: 2347 mSDtfsCounter, 2146 mSDsluCounter, 2268 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2146 SdHoareTripleChecker+Valid, 4615 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:08,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2146 Valid, 4615 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 06:56:08,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15637 states. [2024-12-02 06:56:08,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15637 to 15612. [2024-12-02 06:56:08,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15612 states, 11390 states have (on average 1.2819139596136961) internal successors, (14601), 11638 states have internal predecessors, (14601), 3348 states have call successors, (3348), 890 states have call predecessors, (3348), 871 states have return successors, (3492), 3205 states have call predecessors, (3492), 3344 states have call successors, (3492) [2024-12-02 06:56:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15612 states to 15612 states and 21441 transitions. [2024-12-02 06:56:08,854 INFO L78 Accepts]: Start accepts. Automaton has 15612 states and 21441 transitions. Word has length 152 [2024-12-02 06:56:08,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:08,854 INFO L471 AbstractCegarLoop]: Abstraction has 15612 states and 21441 transitions. [2024-12-02 06:56:08,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 06:56:08,856 INFO L276 IsEmpty]: Start isEmpty. Operand 15612 states and 21441 transitions. [2024-12-02 06:56:08,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 06:56:08,858 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:08,858 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:56:08,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:56:08,859 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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)] === [2024-12-02 06:56:08,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:08,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1142865458, now seen corresponding path program 1 times [2024-12-02 06:56:08,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:08,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034952702] [2024-12-02 06:56:08,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:08,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-12-02 06:56:15,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:15,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034952702] [2024-12-02 06:56:15,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034952702] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:15,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:15,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:56:15,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811833437] [2024-12-02 06:56:15,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:15,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:56:15,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:15,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:56:15,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:15,106 INFO L87 Difference]: Start difference. First operand 15612 states and 21441 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 06:56:19,149 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 [] [2024-12-02 06:56:19,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:19,814 INFO L93 Difference]: Finished difference Result 46230 states and 63799 transitions. [2024-12-02 06:56:19,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:56:19,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 160 [2024-12-02 06:56:19,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:19,930 INFO L225 Difference]: With dead ends: 46230 [2024-12-02 06:56:19,930 INFO L226 Difference]: Without dead ends: 30645 [2024-12-02 06:56:19,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:19,995 INFO L435 NwaCegarLoop]: 2336 mSDtfsCounter, 2259 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2259 SdHoareTripleChecker+Valid, 4608 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:19,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2259 Valid, 4608 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 06:56:20,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30645 states. [2024-12-02 06:56:21,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30645 to 30604. [2024-12-02 06:56:21,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30604 states, 22326 states have (on average 1.2822269999104183) internal successors, (28627), 22856 states have internal predecessors, (28627), 6558 states have call successors, (6558), 1766 states have call predecessors, (6558), 1717 states have return successors, (7110), 6225 states have call predecessors, (7110), 6554 states have call successors, (7110) [2024-12-02 06:56:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30604 states to 30604 states and 42295 transitions. [2024-12-02 06:56:21,203 INFO L78 Accepts]: Start accepts. Automaton has 30604 states and 42295 transitions. Word has length 160 [2024-12-02 06:56:21,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:21,204 INFO L471 AbstractCegarLoop]: Abstraction has 30604 states and 42295 transitions. [2024-12-02 06:56:21,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 06:56:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 30604 states and 42295 transitions. [2024-12-02 06:56:21,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 06:56:21,208 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:21,208 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:56:21,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:56:21,208 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:56:21,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:21,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1776272924, now seen corresponding path program 1 times [2024-12-02 06:56:21,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:21,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227338391] [2024-12-02 06:56:21,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:21,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2024-12-02 06:56:27,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:27,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227338391] [2024-12-02 06:56:27,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227338391] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:27,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:27,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:56:27,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637760935] [2024-12-02 06:56:27,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:27,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:56:27,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:27,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:56:27,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:27,501 INFO L87 Difference]: Start difference. First operand 30604 states and 42295 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 06:56:31,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:56:32,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:32,612 INFO L93 Difference]: Finished difference Result 74326 states and 102511 transitions. [2024-12-02 06:56:32,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:56:32,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 176 [2024-12-02 06:56:32,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:32,895 INFO L225 Difference]: With dead ends: 74326 [2024-12-02 06:56:32,895 INFO L226 Difference]: Without dead ends: 43749 [2024-12-02 06:56:32,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:32,970 INFO L435 NwaCegarLoop]: 2794 mSDtfsCounter, 2171 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2171 SdHoareTripleChecker+Valid, 5070 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:32,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2171 Valid, 5070 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 06:56:33,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43749 states. [2024-12-02 06:56:34,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43749 to 43700. [2024-12-02 06:56:34,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43700 states, 32016 states have (on average 1.278954272863568) internal successors, (40947), 32820 states have internal predecessors, (40947), 9188 states have call successors, (9188), 2558 states have call predecessors, (9188), 2493 states have return successors, (9870), 8683 states have call predecessors, (9870), 9184 states have call successors, (9870) [2024-12-02 06:56:34,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43700 states to 43700 states and 60005 transitions. [2024-12-02 06:56:34,312 INFO L78 Accepts]: Start accepts. Automaton has 43700 states and 60005 transitions. Word has length 176 [2024-12-02 06:56:34,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:34,313 INFO L471 AbstractCegarLoop]: Abstraction has 43700 states and 60005 transitions. [2024-12-02 06:56:34,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 06:56:34,313 INFO L276 IsEmpty]: Start isEmpty. Operand 43700 states and 60005 transitions. [2024-12-02 06:56:34,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-02 06:56:34,317 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:34,317 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:56:34,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:56:34,318 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)] === [2024-12-02 06:56:34,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:34,318 INFO L85 PathProgramCache]: Analyzing trace with hash 893426001, now seen corresponding path program 1 times [2024-12-02 06:56:34,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:34,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564341431] [2024-12-02 06:56:34,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:34,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:40,441 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-12-02 06:56:40,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:40,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564341431] [2024-12-02 06:56:40,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564341431] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:40,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:40,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:56:40,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395559041] [2024-12-02 06:56:40,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:40,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:56:40,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:40,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:56:40,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:40,443 INFO L87 Difference]: Start difference. First operand 43700 states and 60005 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 06:56:44,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:56:46,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:46,082 INFO L93 Difference]: Finished difference Result 122541 states and 168740 transitions. [2024-12-02 06:56:46,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:56:46,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 209 [2024-12-02 06:56:46,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:46,374 INFO L225 Difference]: With dead ends: 122541 [2024-12-02 06:56:46,374 INFO L226 Difference]: Without dead ends: 81994 [2024-12-02 06:56:46,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:46,489 INFO L435 NwaCegarLoop]: 4489 mSDtfsCounter, 2169 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2169 SdHoareTripleChecker+Valid, 6779 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:46,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2169 Valid, 6779 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 06:56:46,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81994 states. [2024-12-02 06:56:48,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81994 to 81990. [2024-12-02 06:56:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81990 states, 60188 states have (on average 1.2797733767528412) internal successors, (77027), 61591 states have internal predecessors, (77027), 17138 states have call successors, (17138), 4786 states have call predecessors, (17138), 4661 states have return successors, (18502), 16308 states have call predecessors, (18502), 17134 states have call successors, (18502) [2024-12-02 06:56:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81990 states to 81990 states and 112667 transitions. [2024-12-02 06:56:48,633 INFO L78 Accepts]: Start accepts. Automaton has 81990 states and 112667 transitions. Word has length 209 [2024-12-02 06:56:48,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:48,634 INFO L471 AbstractCegarLoop]: Abstraction has 81990 states and 112667 transitions. [2024-12-02 06:56:48,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 06:56:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 81990 states and 112667 transitions. [2024-12-02 06:56:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-12-02 06:56:48,637 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:48,637 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:56:48,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:56:48,637 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)] === [2024-12-02 06:56:48,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:48,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1478313261, now seen corresponding path program 1 times [2024-12-02 06:56:48,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:48,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492226761] [2024-12-02 06:56:48,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:48,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2024-12-02 06:56:56,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:56,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492226761] [2024-12-02 06:56:56,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492226761] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:56,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:56,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:56:56,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023418455] [2024-12-02 06:56:56,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:56,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:56,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:56,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:56,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:56:56,282 INFO L87 Difference]: Start difference. First operand 81990 states and 112667 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 06:56:57,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:57,905 INFO L93 Difference]: Finished difference Result 81996 states and 112672 transitions. [2024-12-02 06:56:57,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:57,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 209 [2024-12-02 06:56:57,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:58,213 INFO L225 Difference]: With dead ends: 81996 [2024-12-02 06:56:58,213 INFO L226 Difference]: Without dead ends: 81994 [2024-12-02 06:56:58,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:56:58,258 INFO L435 NwaCegarLoop]: 2320 mSDtfsCounter, 2266 mSDsluCounter, 4635 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 6955 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:58,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 6955 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:56:58,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81994 states. [2024-12-02 06:57:00,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81994 to 81994. [2024-12-02 06:57:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81994 states, 60191 states have (on average 1.2797594324732933) internal successors, (77030), 61594 states have internal predecessors, (77030), 17138 states have call successors, (17138), 4787 states have call predecessors, (17138), 4662 states have return successors, (18502), 16308 states have call predecessors, (18502), 17134 states have call successors, (18502) [2024-12-02 06:57:00,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81994 states to 81994 states and 112670 transitions. [2024-12-02 06:57:00,548 INFO L78 Accepts]: Start accepts. Automaton has 81994 states and 112670 transitions. Word has length 209 [2024-12-02 06:57:00,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:00,549 INFO L471 AbstractCegarLoop]: Abstraction has 81994 states and 112670 transitions. [2024-12-02 06:57:00,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 06:57:00,549 INFO L276 IsEmpty]: Start isEmpty. Operand 81994 states and 112670 transitions. [2024-12-02 06:57:00,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-12-02 06:57:00,551 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:00,551 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:57:00,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:57:00,552 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:57:00,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:00,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1706338022, now seen corresponding path program 1 times [2024-12-02 06:57:00,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:57:00,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265859574] [2024-12-02 06:57:00,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:00,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:57:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2024-12-02 06:57:07,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:57:07,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265859574] [2024-12-02 06:57:07,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265859574] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:07,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:07,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:57:07,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975925396] [2024-12-02 06:57:07,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:07,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:57:07,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:57:07,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:57:07,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:57:07,804 INFO L87 Difference]: Start difference. First operand 81994 states and 112670 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 06:57:09,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:09,479 INFO L93 Difference]: Finished difference Result 82000 states and 112675 transitions. [2024-12-02 06:57:09,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:57:09,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 214 [2024-12-02 06:57:09,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:09,732 INFO L225 Difference]: With dead ends: 82000 [2024-12-02 06:57:09,732 INFO L226 Difference]: Without dead ends: 81998 [2024-12-02 06:57:09,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:57:09,758 INFO L435 NwaCegarLoop]: 2323 mSDtfsCounter, 2262 mSDsluCounter, 4636 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2263 SdHoareTripleChecker+Valid, 6959 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:09,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2263 Valid, 6959 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:57:09,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81998 states. [2024-12-02 06:57:11,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81998 to 81998. [2024-12-02 06:57:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81998 states, 60194 states have (on average 1.2797454895836795) internal successors, (77033), 61597 states have internal predecessors, (77033), 17138 states have call successors, (17138), 4788 states have call predecessors, (17138), 4663 states have return successors, (18502), 16308 states have call predecessors, (18502), 17134 states have call successors, (18502) [2024-12-02 06:57:12,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81998 states to 81998 states and 112673 transitions. [2024-12-02 06:57:12,194 INFO L78 Accepts]: Start accepts. Automaton has 81998 states and 112673 transitions. Word has length 214 [2024-12-02 06:57:12,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:12,194 INFO L471 AbstractCegarLoop]: Abstraction has 81998 states and 112673 transitions. [2024-12-02 06:57:12,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 06:57:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 81998 states and 112673 transitions. [2024-12-02 06:57:12,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 06:57:12,198 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:12,199 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:57:12,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:57:12,199 INFO L396 AbstractCegarLoop]: === Iteration 10 === 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)] === [2024-12-02 06:57:12,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:12,200 INFO L85 PathProgramCache]: Analyzing trace with hash -2447629, now seen corresponding path program 1 times [2024-12-02 06:57:12,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:57:12,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776851698] [2024-12-02 06:57:12,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:12,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:57:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2024-12-02 06:57:19,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:57:19,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776851698] [2024-12-02 06:57:19,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776851698] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:19,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:19,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:57:19,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283083624] [2024-12-02 06:57:19,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:19,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:57:19,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:57:19,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:57:19,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:57:19,008 INFO L87 Difference]: Start difference. First operand 81998 states and 112673 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 06:57:21,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:21,146 INFO L93 Difference]: Finished difference Result 91576 states and 123337 transitions. [2024-12-02 06:57:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:57:21,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 219 [2024-12-02 06:57:21,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:21,432 INFO L225 Difference]: With dead ends: 91576 [2024-12-02 06:57:21,432 INFO L226 Difference]: Without dead ends: 91572 [2024-12-02 06:57:21,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:57:21,467 INFO L435 NwaCegarLoop]: 2411 mSDtfsCounter, 1501 mSDsluCounter, 5739 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 8150 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:21,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 8150 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:57:21,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91572 states. [2024-12-02 06:57:24,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91572 to 91572. [2024-12-02 06:57:24,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91572 states, 66303 states have (on average 1.267318220894982) internal successors, (84027), 67767 states have internal predecessors, (84027), 18971 states have call successors, (18971), 6449 states have call predecessors, (18971), 6295 states have return successors, (20335), 18113 states have call predecessors, (20335), 18967 states have call successors, (20335) [2024-12-02 06:57:24,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91572 states to 91572 states and 123333 transitions. [2024-12-02 06:57:24,638 INFO L78 Accepts]: Start accepts. Automaton has 91572 states and 123333 transitions. Word has length 219 [2024-12-02 06:57:24,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:24,638 INFO L471 AbstractCegarLoop]: Abstraction has 91572 states and 123333 transitions. [2024-12-02 06:57:24,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 06:57:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 91572 states and 123333 transitions. [2024-12-02 06:57:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 06:57:24,643 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:24,643 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 06:57:24,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:57:24,643 INFO L396 AbstractCegarLoop]: === Iteration 11 === 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)] === [2024-12-02 06:57:24,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:24,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1824771974, now seen corresponding path program 1 times [2024-12-02 06:57:24,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:57:24,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835862336] [2024-12-02 06:57:24,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:24,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:57:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2024-12-02 06:57:31,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:57:31,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835862336] [2024-12-02 06:57:31,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835862336] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:31,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:31,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:57:31,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086524113] [2024-12-02 06:57:31,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:31,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:57:31,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:57:31,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:57:31,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:57:31,965 INFO L87 Difference]: Start difference. First operand 91572 states and 123333 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 06:57:34,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:34,146 INFO L93 Difference]: Finished difference Result 91572 states and 123333 transitions. [2024-12-02 06:57:34,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:57:34,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 224 [2024-12-02 06:57:34,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:34,477 INFO L225 Difference]: With dead ends: 91572 [2024-12-02 06:57:34,477 INFO L226 Difference]: Without dead ends: 90973 [2024-12-02 06:57:34,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:57:34,526 INFO L435 NwaCegarLoop]: 2321 mSDtfsCounter, 2257 mSDsluCounter, 4634 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2257 SdHoareTripleChecker+Valid, 6955 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:34,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2257 Valid, 6955 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:57:34,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90973 states. [2024-12-02 06:57:37,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90973 to 90973. [2024-12-02 06:57:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90973 states, 65939 states have (on average 1.266852697189827) internal successors, (83535), 67307 states have internal predecessors, (83535), 18772 states have call successors, (18772), 6412 states have call predecessors, (18772), 6260 states have return successors, (20140), 18011 states have call predecessors, (20140), 18772 states have call successors, (20140) [2024-12-02 06:57:37,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90973 states to 90973 states and 122447 transitions. [2024-12-02 06:57:37,780 INFO L78 Accepts]: Start accepts. Automaton has 90973 states and 122447 transitions. Word has length 224 [2024-12-02 06:57:37,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:37,781 INFO L471 AbstractCegarLoop]: Abstraction has 90973 states and 122447 transitions. [2024-12-02 06:57:37,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 06:57:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 90973 states and 122447 transitions. [2024-12-02 06:57:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-12-02 06:57:37,786 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:37,786 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 11, 11, 11, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:57:37,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:57:37,786 INFO L396 AbstractCegarLoop]: === Iteration 12 === 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)] === [2024-12-02 06:57:37,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:37,787 INFO L85 PathProgramCache]: Analyzing trace with hash -178110384, now seen corresponding path program 1 times [2024-12-02 06:57:37,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:57:37,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975097411] [2024-12-02 06:57:37,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:37,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:57:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2024-12-02 06:57:45,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:57:45,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975097411] [2024-12-02 06:57:45,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975097411] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:45,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:45,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:57:45,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414847572] [2024-12-02 06:57:45,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:45,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:57:45,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:57:45,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:57:45,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:57:45,693 INFO L87 Difference]: Start difference. First operand 90973 states and 122447 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 06:57:49,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:57:53,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:53,508 INFO L93 Difference]: Finished difference Result 221365 states and 298314 transitions. [2024-12-02 06:57:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:57:53,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 232 [2024-12-02 06:57:53,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:54,054 INFO L225 Difference]: With dead ends: 221365 [2024-12-02 06:57:54,055 INFO L226 Difference]: Without dead ends: 133617 [2024-12-02 06:57:54,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:57:54,316 INFO L435 NwaCegarLoop]: 4449 mSDtfsCounter, 2165 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2165 SdHoareTripleChecker+Valid, 6705 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:54,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2165 Valid, 6705 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 06:57:54,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133617 states. [2024-12-02 06:57:58,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133617 to 133613. [2024-12-02 06:57:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133613 states, 96794 states have (on average 1.2675579064818068) internal successors, (122692), 98791 states have internal predecessors, (122692), 27603 states have call successors, (27603), 9440 states have call predecessors, (27603), 9214 states have return successors, (29653), 26503 states have call predecessors, (29653), 27603 states have call successors, (29653) [2024-12-02 06:57:59,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133613 states to 133613 states and 179948 transitions. [2024-12-02 06:57:59,206 INFO L78 Accepts]: Start accepts. Automaton has 133613 states and 179948 transitions. Word has length 232 [2024-12-02 06:57:59,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:59,206 INFO L471 AbstractCegarLoop]: Abstraction has 133613 states and 179948 transitions. [2024-12-02 06:57:59,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 06:57:59,206 INFO L276 IsEmpty]: Start isEmpty. Operand 133613 states and 179948 transitions. [2024-12-02 06:57:59,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 06:57:59,446 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:59,446 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 11, 11, 11, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 06:57:59,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:57:59,446 INFO L396 AbstractCegarLoop]: === Iteration 13 === 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)] === [2024-12-02 06:57:59,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:59,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1136809873, now seen corresponding path program 1 times [2024-12-02 06:57:59,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:57:59,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070568542] [2024-12-02 06:57:59,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:59,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:58:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 06:58:07,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:58:07,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070568542] [2024-12-02 06:58:07,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070568542] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:07,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:58:07,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:58:07,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408780398] [2024-12-02 06:58:07,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:07,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:58:07,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:58:07,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:58:07,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:58:07,101 INFO L87 Difference]: Start difference. First operand 133613 states and 179948 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 06:58:11,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:58:16,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:16,281 INFO L93 Difference]: Finished difference Result 306453 states and 412964 transitions. [2024-12-02 06:58:16,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:58:16,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 258 [2024-12-02 06:58:16,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:17,124 INFO L225 Difference]: With dead ends: 306453 [2024-12-02 06:58:17,124 INFO L226 Difference]: Without dead ends: 176257 [2024-12-02 06:58:17,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:58:17,419 INFO L435 NwaCegarLoop]: 4449 mSDtfsCounter, 2163 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2163 SdHoareTripleChecker+Valid, 6705 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:17,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2163 Valid, 6705 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 06:58:17,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176257 states. [2024-12-02 06:58:22,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176257 to 133613. [2024-12-02 06:58:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133613 states, 96794 states have (on average 1.2675579064818068) internal successors, (122692), 98791 states have internal predecessors, (122692), 27603 states have call successors, (27603), 9440 states have call predecessors, (27603), 9214 states have return successors, (29653), 26503 states have call predecessors, (29653), 27603 states have call successors, (29653) [2024-12-02 06:58:22,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133613 states to 133613 states and 179948 transitions. [2024-12-02 06:58:22,855 INFO L78 Accepts]: Start accepts. Automaton has 133613 states and 179948 transitions. Word has length 258 [2024-12-02 06:58:22,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:22,855 INFO L471 AbstractCegarLoop]: Abstraction has 133613 states and 179948 transitions. [2024-12-02 06:58:22,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 06:58:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 133613 states and 179948 transitions. [2024-12-02 06:58:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 06:58:22,859 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:22,859 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 11, 11, 11, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 06:58:22,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:58:22,860 INFO L396 AbstractCegarLoop]: === Iteration 14 === 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)] === [2024-12-02 06:58:22,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:22,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1617890131, now seen corresponding path program 1 times [2024-12-02 06:58:22,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:22,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635773533] [2024-12-02 06:58:22,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:22,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:58:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 851 trivial. 0 not checked. [2024-12-02 06:58:29,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:58:29,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635773533] [2024-12-02 06:58:29,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635773533] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:58:29,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159992895] [2024-12-02 06:58:29,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:29,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:58:29,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:58:29,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:58:29,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:58:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:36,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 4115 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 06:58:36,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:58:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2024-12-02 06:58:36,924 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:58:36,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159992895] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:36,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:58:36,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 06:58:36,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600664830] [2024-12-02 06:58:36,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:36,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:58:36,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:58:36,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:58:36,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:58:36,926 INFO L87 Difference]: Start difference. First operand 133613 states and 179948 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, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 06:58:40,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:58:47,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:47,252 INFO L93 Difference]: Finished difference Result 324897 states and 437894 transitions. [2024-12-02 06:58:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:58:47,253 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, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 258 [2024-12-02 06:58:47,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:48,013 INFO L225 Difference]: With dead ends: 324897 [2024-12-02 06:58:48,013 INFO L226 Difference]: Without dead ends: 194797 [2024-12-02 06:58:48,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:58:48,368 INFO L435 NwaCegarLoop]: 2583 mSDtfsCounter, 2135 mSDsluCounter, 2201 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2135 SdHoareTripleChecker+Valid, 4784 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:48,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2135 Valid, 4784 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 06:58:48,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194797 states. [2024-12-02 06:58:55,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194797 to 194761. [2024-12-02 06:58:55,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194761 states, 141203 states have (on average 1.2676430387456357) internal successors, (178995), 144103 states have internal predecessors, (178995), 40040 states have call successors, (40040), 13844 states have call predecessors, (40040), 13516 states have return successors, (43056), 38427 states have call predecessors, (43056), 40040 states have call successors, (43056) [2024-12-02 06:58:55,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194761 states to 194761 states and 262091 transitions. [2024-12-02 06:58:56,103 INFO L78 Accepts]: Start accepts. Automaton has 194761 states and 262091 transitions. Word has length 258 [2024-12-02 06:58:56,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:56,104 INFO L471 AbstractCegarLoop]: Abstraction has 194761 states and 262091 transitions. [2024-12-02 06:58:56,104 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, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 06:58:56,104 INFO L276 IsEmpty]: Start isEmpty. Operand 194761 states and 262091 transitions. [2024-12-02 06:58:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-12-02 06:58:56,113 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:56,113 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 11, 11, 11, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 06:58:56,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:58:56,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_007eea97-26a9-482b-8045-f1fa2425fcf1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 06:58:56,314 INFO L396 AbstractCegarLoop]: === Iteration 15 === 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)] === [2024-12-02 06:58:56,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:56,315 INFO L85 PathProgramCache]: Analyzing trace with hash 2016547013, now seen corresponding path program 1 times [2024-12-02 06:58:56,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:56,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047894271] [2024-12-02 06:58:56,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:56,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:59:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2024-12-02 06:59:02,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:59:02,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047894271] [2024-12-02 06:59:02,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047894271] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:02,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:02,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:59:02,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763436113] [2024-12-02 06:59:02,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:02,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:59:02,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:59:02,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:59:02,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:59:02,489 INFO L87 Difference]: Start difference. First operand 194761 states and 262091 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 06:59:06,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:59:14,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:14,879 INFO L93 Difference]: Finished difference Result 449025 states and 604615 transitions. [2024-12-02 06:59:14,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:59:14,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 281 [2024-12-02 06:59:14,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:15,893 INFO L225 Difference]: With dead ends: 449025 [2024-12-02 06:59:15,894 INFO L226 Difference]: Without dead ends: 257777 [2024-12-02 06:59:16,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:59:16,366 INFO L435 NwaCegarLoop]: 3365 mSDtfsCounter, 2169 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2169 SdHoareTripleChecker+Valid, 5617 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:16,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2169 Valid, 5617 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 06:59:16,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257777 states. [2024-12-02 06:59:25,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257777 to 257773. [2024-12-02 06:59:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257773 states, 186941 states have (on average 1.2677208317062603) internal successors, (236989), 190755 states have internal predecessors, (236989), 52942 states have call successors, (52942), 18324 states have call predecessors, (52942), 17888 states have return successors, (56962), 50835 states have call predecessors, (56962), 52942 states have call successors, (56962) [2024-12-02 06:59:26,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257773 states to 257773 states and 346893 transitions. [2024-12-02 06:59:26,783 INFO L78 Accepts]: Start accepts. Automaton has 257773 states and 346893 transitions. Word has length 281 [2024-12-02 06:59:26,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:26,784 INFO L471 AbstractCegarLoop]: Abstraction has 257773 states and 346893 transitions. [2024-12-02 06:59:26,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 06:59:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 257773 states and 346893 transitions. [2024-12-02 06:59:26,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-12-02 06:59:26,790 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:26,791 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 06:59:26,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:59:26,791 INFO L396 AbstractCegarLoop]: === Iteration 16 === 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)] === [2024-12-02 06:59:26,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:26,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1646091547, now seen corresponding path program 1 times [2024-12-02 06:59:26,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:59:26,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595697331] [2024-12-02 06:59:26,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:26,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:59:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2024-12-02 06:59:33,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:59:33,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595697331] [2024-12-02 06:59:33,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595697331] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:33,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:33,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:59:33,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265389001] [2024-12-02 06:59:33,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:33,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:59:33,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:59:33,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:59:33,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:59:33,460 INFO L87 Difference]: Start difference. First operand 257773 states and 346893 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 06:59:37,504 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 []