./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-spinlock_drivers-net-wan-lmc-lmc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC --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 fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:42:54,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:42:54,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:42:54,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:42:54,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:42:54,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:42:54,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:42:54,440 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:42:54,440 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:42:54,440 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:42:54,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:42:54,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:42:54,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:42:54,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:42:54,442 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:42:54,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:42:54,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:42:54,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:42:54,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:42:54,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:42:54,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:42:54,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:42:54,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:42:54,443 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:42:54,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:42:54,443 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:42:54,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:42:54,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:42:54,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:42:54,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:42:54,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:42:54,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:42:54,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:42:54,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:42:54,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:42:54,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:42:54,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:42:54,445 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:42:54,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:42:54,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:42:54,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:42:54,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:42:54,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:42:54,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:42:54,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:42:54,446 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_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC 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 -> fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 [2024-11-24 01:42:54,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:42:54,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:42:54,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:42:54,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:42:54,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:42:54,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2024-11-24 01:42:57,762 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/data/d385304b8/4bc8ccee9f7a4b4f89d26493678243ab/FLAG072a9d324 [2024-11-24 01:42:58,603 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:42:58,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2024-11-24 01:42:58,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/data/d385304b8/4bc8ccee9f7a4b4f89d26493678243ab/FLAG072a9d324 [2024-11-24 01:42:58,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/data/d385304b8/4bc8ccee9f7a4b4f89d26493678243ab [2024-11-24 01:42:58,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:42:58,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:42:58,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:42:58,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:42:58,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:42:58,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:42:58" (1/1) ... [2024-11-24 01:42:58,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3580e749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:42:58, skipping insertion in model container [2024-11-24 01:42:58,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:42:58" (1/1) ... [2024-11-24 01:42:58,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:43:02,204 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_d0534320-4754-4ac8-8959-ccf7f02fcbb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2024-11-24 01:43:02,208 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_d0534320-4754-4ac8-8959-ccf7f02fcbb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2024-11-24 01:43:02,209 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_d0534320-4754-4ac8-8959-ccf7f02fcbb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2024-11-24 01:43:02,213 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_d0534320-4754-4ac8-8959-ccf7f02fcbb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2024-11-24 01:43:02,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:43:02,313 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:43:02,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5400] [2024-11-24 01:43:02,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5408] [2024-11-24 01:43:03,012 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"); [7344] [2024-11-24 01:43:03,013 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)); [7351] [2024-11-24 01:43:03,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7358] [2024-11-24 01:43:03,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [7371] [2024-11-24 01:43:03,271 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_d0534320-4754-4ac8-8959-ccf7f02fcbb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2024-11-24 01:43:03,272 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_d0534320-4754-4ac8-8959-ccf7f02fcbb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2024-11-24 01:43:03,273 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_d0534320-4754-4ac8-8959-ccf7f02fcbb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2024-11-24 01:43:03,273 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_d0534320-4754-4ac8-8959-ccf7f02fcbb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2024-11-24 01:43:03,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:43:03,510 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:43:03,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03 WrapperNode [2024-11-24 01:43:03,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:43:03,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:43:03,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:43:03,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:43:03,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:03,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:03,817 INFO L138 Inliner]: procedures = 494, calls = 2673, calls flagged for inlining = 242, calls inlined = 227, statements flattened = 5583 [2024-11-24 01:43:03,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:43:03,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:43:03,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:43:03,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:43:03,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:03,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:03,883 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:05,399 INFO L175 MemorySlicer]: Split 1213 memory accesses to 9 slices as follows [1, 2, 1141, 2, 2, 4, 54, 3, 4]. 94 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [1, 2, 4, 0, 0, 4, 0, 1, 4]. The 525 writes are split as follows [0, 0, 481, 1, 1, 0, 42, 0, 0]. [2024-11-24 01:43:05,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:05,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:05,574 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:05,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:05,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:05,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:05,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:05,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:43:05,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:43:05,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:43:05,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:43:05,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (1/1) ... [2024-11-24 01:43:05,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:43:05,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:43:05,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:43:05,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0534320-4754-4ac8-8959-ccf7f02fcbb3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:43:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2024-11-24 01:43:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2024-11-24 01:43:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-24 01:43:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-24 01:43:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2024-11-24 01:43:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2024-11-24 01:43:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 01:43:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 01:43:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2024-11-24 01:43:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2024-11-24 01:43:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2024-11-24 01:43:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2024-11-24 01:43:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-24 01:43:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-24 01:43:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:43:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:43:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2024-11-24 01:43:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2024-11-24 01:43:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2024-11-24 01:43:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2024-11-24 01:43:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:43:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:43:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2024-11-24 01:43:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2024-11-24 01:43:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2024-11-24 01:43:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2024-11-24 01:43:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_64 [2024-11-24 01:43:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_64 [2024-11-24 01:43:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2024-11-24 01:43:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2024-11-24 01:43:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-24 01:43:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-24 01:43:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2024-11-24 01:43:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2024-11-24 01:43:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2024-11-24 01:43:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2024-11-24 01:43:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2024-11-24 01:43:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2024-11-24 01:43:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2024-11-24 01:43:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2024-11-24 01:43:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2024-11-24 01:43:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2024-11-24 01:43:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 01:43:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 01:43:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 01:43:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 01:43:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2024-11-24 01:43:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2024-11-24 01:43:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2024-11-24 01:43:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2024-11-24 01:43:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:43:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-24 01:43:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-24 01:43:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 01:43:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 01:43:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 01:43:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 01:43:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 01:43:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 01:43:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 01:43:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 01:43:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 01:43:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 01:43:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 01:43:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-24 01:43:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2024-11-24 01:43:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2024-11-24 01:43:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 01:43:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2024-11-24 01:43:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:43:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2024-11-24 01:43:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-24 01:43:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2024-11-24 01:43:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-24 01:43:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-24 01:43:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-24 01:43:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2024-11-24 01:43:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2024-11-24 01:43:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2024-11-24 01:43:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2024-11-24 01:43:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-24 01:43:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-24 01:43:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-24 01:43:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-24 01:43:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2024-11-24 01:43:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2024-11-24 01:43:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2024-11-24 01:43:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2024-11-24 01:43:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:43:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:43:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2024-11-24 01:43:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2024-11-24 01:43:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2024-11-24 01:43:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2024-11-24 01:43:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:43:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 01:43:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 01:43:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-24 01:43:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-24 01:43:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:43:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 01:43:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 01:43:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 01:43:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 01:43:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2024-11-24 01:43:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2024-11-24 01:43:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:43:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:43:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:43:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:43:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:43:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:43:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:43:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:43:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:43:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2024-11-24 01:43:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2024-11-24 01:43:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:43:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:43:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-24 01:43:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-24 01:43:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:43:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:43:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2024-11-24 01:43:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2024-11-24 01:43:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-24 01:43:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-24 01:43:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2024-11-24 01:43:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2024-11-24 01:43:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-24 01:43:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-24 01:43:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-24 01:43:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-24 01:43:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2024-11-24 01:43:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2024-11-24 01:43:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2024-11-24 01:43:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2024-11-24 01:43:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2024-11-24 01:43:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2024-11-24 01:43:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2024-11-24 01:43:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2024-11-24 01:43:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2024-11-24 01:43:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2024-11-24 01:43:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:43:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:43:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2024-11-24 01:43:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2024-11-24 01:43:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 01:43:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 01:43:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 01:43:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 01:43:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 01:43:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 01:43:05,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 01:43:05,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 01:43:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 01:43:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:43:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:43:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:43:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:43:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:43:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:43:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:43:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:43:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:43:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:43:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:43:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2024-11-24 01:43:05,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2024-11-24 01:43:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:43:05,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:43:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-24 01:43:05,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-24 01:43:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2024-11-24 01:43:05,838 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2024-11-24 01:43:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2024-11-24 01:43:05,838 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2024-11-24 01:43:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2024-11-24 01:43:05,838 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2024-11-24 01:43:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 01:43:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 01:43:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 01:43:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 01:43:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 01:43:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 01:43:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 01:43:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 01:43:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 01:43:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2024-11-24 01:43:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2024-11-24 01:43:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 01:43:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2024-11-24 01:43:05,839 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2024-11-24 01:43:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2024-11-24 01:43:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2024-11-24 01:43:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-24 01:43:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2024-11-24 01:43:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2024-11-24 01:43:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:43:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-24 01:43:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-24 01:43:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2024-11-24 01:43:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2024-11-24 01:43:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-24 01:43:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-24 01:43:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2024-11-24 01:43:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2024-11-24 01:43:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:43:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:43:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2024-11-24 01:43:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2024-11-24 01:43:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 01:43:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 01:43:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2024-11-24 01:43:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2024-11-24 01:43:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2024-11-24 01:43:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-24 01:43:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:43:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2024-11-24 01:43:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2024-11-24 01:43:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2024-11-24 01:43:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2024-11-24 01:43:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2024-11-24 01:43:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-24 01:43:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2024-11-24 01:43:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2024-11-24 01:43:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 01:43:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2024-11-24 01:43:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2024-11-24 01:43:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-11-24 01:43:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-24 01:43:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-24 01:43:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2024-11-24 01:43:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2024-11-24 01:43:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 01:43:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 01:43:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2024-11-24 01:43:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2024-11-24 01:43:07,071 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:43:07,076 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:43:07,609 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:43:09,336 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1380#1.base, #t~mem1380#1.offset := read~$Pointer$#2(~sc#1.base, 141 + ~sc#1.offset, 8); [2024-11-24 01:43:09,336 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881: SUMMARY for call lmc_trace(#t~mem1380#1.base, #t~mem1380#1.offset, 129, 0); srcloc: null [2024-11-24 01:43:09,336 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881-1: havoc #t~mem1380#1.base, #t~mem1380#1.offset; [2024-11-24 01:43:22,468 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 01:43:24,528 INFO L? ?]: Removed 2487 outVars from TransFormulas that were not future-live. [2024-11-24 01:43:24,529 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:43:24,599 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:43:24,599 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:43:24,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:43:24 BoogieIcfgContainer [2024-11-24 01:43:24,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:43:24,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:43:24,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:43:24,616 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:43:24,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:42:58" (1/3) ... [2024-11-24 01:43:24,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcc2103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:43:24, skipping insertion in model container [2024-11-24 01:43:24,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:43:03" (2/3) ... [2024-11-24 01:43:24,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcc2103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:43:24, skipping insertion in model container [2024-11-24 01:43:24,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:43:24" (3/3) ... [2024-11-24 01:43:24,621 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2024-11-24 01:43:24,644 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:43:24,648 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i that has 129 procedures, 3139 locations, 1 initial locations, 11 loop locations, and 3 error locations. [2024-11-24 01:43:24,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:43:24,868 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;@655a4bc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:43:24,868 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-24 01:43:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand has 3105 states, 2149 states have (on average 1.3345742205677058) internal successors, (2868), 2219 states have internal predecessors, (2868), 834 states have call successors, (834), 120 states have call predecessors, (834), 119 states have return successors, (827), 784 states have call predecessors, (827), 827 states have call successors, (827) [2024-11-24 01:43:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-24 01:43:24,940 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:43:24,941 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:43:24,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:43:24,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:43:24,949 INFO L85 PathProgramCache]: Analyzing trace with hash -2049265762, now seen corresponding path program 1 times [2024-11-24 01:43:24,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:43:24,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221800487] [2024-11-24 01:43:24,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:43:24,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:43:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:43:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-24 01:43:29,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:43:29,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221800487] [2024-11-24 01:43:29,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221800487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:43:29,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:43:29,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:43:29,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221221700] [2024-11-24 01:43:29,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:43:29,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:43:29,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:43:29,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:43:29,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:43:29,868 INFO L87 Difference]: Start difference. First operand has 3105 states, 2149 states have (on average 1.3345742205677058) internal successors, (2868), 2219 states have internal predecessors, (2868), 834 states have call successors, (834), 120 states have call predecessors, (834), 119 states have return successors, (827), 784 states have call predecessors, (827), 827 states have call successors, (827) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 01:43:33,948 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 [] [2024-11-24 01:43:34,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:43:34,889 INFO L93 Difference]: Finished difference Result 9133 states and 14031 transitions. [2024-11-24 01:43:34,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:43:34,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 195 [2024-11-24 01:43:34,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:43:34,975 INFO L225 Difference]: With dead ends: 9133 [2024-11-24 01:43:34,975 INFO L226 Difference]: Without dead ends: 6052 [2024-11-24 01:43:35,021 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 [2024-11-24 01:43:35,026 INFO L435 NwaCegarLoop]: 4486 mSDtfsCounter, 4303 mSDsluCounter, 4412 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4303 SdHoareTripleChecker+Valid, 8898 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:43:35,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4303 Valid, 8898 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 01:43:35,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6052 states. [2024-11-24 01:43:35,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6052 to 6048. [2024-11-24 01:43:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6048 states, 4207 states have (on average 1.3116234846684098) internal successors, (5518), 4346 states have internal predecessors, (5518), 1604 states have call successors, (1604), 235 states have call predecessors, (1604), 234 states have return successors, (1600), 1514 states have call predecessors, (1600), 1600 states have call successors, (1600) [2024-11-24 01:43:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6048 states to 6048 states and 8722 transitions. [2024-11-24 01:43:35,677 INFO L78 Accepts]: Start accepts. Automaton has 6048 states and 8722 transitions. Word has length 195 [2024-11-24 01:43:35,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:43:35,680 INFO L471 AbstractCegarLoop]: Abstraction has 6048 states and 8722 transitions. [2024-11-24 01:43:35,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 01:43:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 6048 states and 8722 transitions. [2024-11-24 01:43:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-24 01:43:35,702 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:43:35,703 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:43:35,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:43:35,703 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:43:35,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:43:35,704 INFO L85 PathProgramCache]: Analyzing trace with hash 2120405016, now seen corresponding path program 1 times [2024-11-24 01:43:35,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:43:35,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434430315] [2024-11-24 01:43:35,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:43:35,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:43:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:43:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-24 01:43:39,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:43:39,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434430315] [2024-11-24 01:43:39,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434430315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:43:39,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:43:39,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:43:39,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595507201] [2024-11-24 01:43:39,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:43:39,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:43:39,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:43:39,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:43:39,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:43:39,240 INFO L87 Difference]: Start difference. First operand 6048 states and 8722 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-24 01:43:43,294 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 [] [2024-11-24 01:43:44,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:43:44,069 INFO L93 Difference]: Finished difference Result 17576 states and 25346 transitions. [2024-11-24 01:43:44,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:43:44,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 206 [2024-11-24 01:43:44,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:43:44,195 INFO L225 Difference]: With dead ends: 17576 [2024-11-24 01:43:44,195 INFO L226 Difference]: Without dead ends: 11563 [2024-11-24 01:43:44,244 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 [2024-11-24 01:43:44,246 INFO L435 NwaCegarLoop]: 4522 mSDtfsCounter, 4027 mSDsluCounter, 4428 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4027 SdHoareTripleChecker+Valid, 8950 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:43:44,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4027 Valid, 8950 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 01:43:44,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11563 states. [2024-11-24 01:43:44,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11563 to 11533. [2024-11-24 01:43:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11533 states, 7998 states have (on average 1.3074518629657415) internal successors, (10457), 8270 states have internal predecessors, (10457), 3075 states have call successors, (3075), 458 states have call predecessors, (3075), 457 states have return successors, (3095), 2892 states have call predecessors, (3095), 3071 states have call successors, (3095) [2024-11-24 01:43:44,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11533 states to 11533 states and 16627 transitions. [2024-11-24 01:43:44,962 INFO L78 Accepts]: Start accepts. Automaton has 11533 states and 16627 transitions. Word has length 206 [2024-11-24 01:43:44,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:43:44,963 INFO L471 AbstractCegarLoop]: Abstraction has 11533 states and 16627 transitions. [2024-11-24 01:43:44,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-24 01:43:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 11533 states and 16627 transitions. [2024-11-24 01:43:44,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-24 01:43:44,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:43:44,975 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:43:44,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:43:44,976 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:43:44,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:43:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash 352450445, now seen corresponding path program 1 times [2024-11-24 01:43:44,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:43:44,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458180394] [2024-11-24 01:43:44,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:43:44,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:43:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:43:48,202 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-24 01:43:48,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:43:48,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458180394] [2024-11-24 01:43:48,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458180394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:43:48,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:43:48,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:43:48,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845664720] [2024-11-24 01:43:48,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:43:48,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:43:48,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:43:48,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:43:48,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:43:48,208 INFO L87 Difference]: Start difference. First operand 11533 states and 16627 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:43:52,276 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 [] [2024-11-24 01:43:53,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:43:53,759 INFO L93 Difference]: Finished difference Result 32553 states and 46883 transitions. [2024-11-24 01:43:53,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:43:53,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 214 [2024-11-24 01:43:53,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:43:54,221 INFO L225 Difference]: With dead ends: 32553 [2024-11-24 01:43:54,222 INFO L226 Difference]: Without dead ends: 21055 [2024-11-24 01:43:54,325 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 [2024-11-24 01:43:54,326 INFO L435 NwaCegarLoop]: 4624 mSDtfsCounter, 3670 mSDsluCounter, 4398 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3670 SdHoareTripleChecker+Valid, 9022 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:43:54,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3670 Valid, 9022 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-24 01:43:54,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21055 states. [2024-11-24 01:43:55,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21055 to 21005. [2024-11-24 01:43:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21005 states, 14586 states have (on average 1.3061154531742767) internal successors, (19051), 15096 states have internal predecessors, (19051), 5523 states have call successors, (5523), 894 states have call predecessors, (5523), 893 states have return successors, (5653), 5158 states have call predecessors, (5653), 5519 states have call successors, (5653) [2024-11-24 01:43:55,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21005 states to 21005 states and 30227 transitions. [2024-11-24 01:43:55,884 INFO L78 Accepts]: Start accepts. Automaton has 21005 states and 30227 transitions. Word has length 214 [2024-11-24 01:43:55,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:43:55,885 INFO L471 AbstractCegarLoop]: Abstraction has 21005 states and 30227 transitions. [2024-11-24 01:43:55,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:43:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 21005 states and 30227 transitions. [2024-11-24 01:43:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-24 01:43:55,895 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:43:55,895 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:43:55,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:43:55,895 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:43:55,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:43:55,897 INFO L85 PathProgramCache]: Analyzing trace with hash 887581542, now seen corresponding path program 1 times [2024-11-24 01:43:55,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:43:55,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809988747] [2024-11-24 01:43:55,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:43:55,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:43:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:44:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-24 01:44:00,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:44:00,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809988747] [2024-11-24 01:44:00,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809988747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:44:00,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:44:00,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:44:00,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721949485] [2024-11-24 01:44:00,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:44:00,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:44:00,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:44:00,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:44:00,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:44:00,256 INFO L87 Difference]: Start difference. First operand 21005 states and 30227 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:44:04,312 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 [] [2024-11-24 01:44:06,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:44:06,569 INFO L93 Difference]: Finished difference Result 45394 states and 65304 transitions. [2024-11-24 01:44:06,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:44:06,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 212 [2024-11-24 01:44:06,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:44:06,841 INFO L225 Difference]: With dead ends: 45394 [2024-11-24 01:44:06,841 INFO L226 Difference]: Without dead ends: 24424 [2024-11-24 01:44:07,011 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 [2024-11-24 01:44:07,013 INFO L435 NwaCegarLoop]: 5257 mSDtfsCounter, 4039 mSDsluCounter, 4382 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4039 SdHoareTripleChecker+Valid, 9639 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:44:07,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4039 Valid, 9639 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-24 01:44:07,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24424 states. [2024-11-24 01:44:08,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24424 to 24392. [2024-11-24 01:44:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24392 states, 17013 states have (on average 1.3075295362369952) internal successors, (22245), 17633 states have internal predecessors, (22245), 6318 states have call successors, (6318), 1063 states have call predecessors, (6318), 1058 states have return successors, (6427), 5855 states have call predecessors, (6427), 6314 states have call successors, (6427) [2024-11-24 01:44:08,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24392 states to 24392 states and 34990 transitions. [2024-11-24 01:44:08,868 INFO L78 Accepts]: Start accepts. Automaton has 24392 states and 34990 transitions. Word has length 212 [2024-11-24 01:44:08,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:44:08,872 INFO L471 AbstractCegarLoop]: Abstraction has 24392 states and 34990 transitions. [2024-11-24 01:44:08,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:44:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 24392 states and 34990 transitions. [2024-11-24 01:44:08,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-24 01:44:08,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:44:08,881 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:44:08,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:44:08,881 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:44:08,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:44:08,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1799995434, now seen corresponding path program 1 times [2024-11-24 01:44:08,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:44:08,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188560298] [2024-11-24 01:44:08,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:44:08,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:44:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:44:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-24 01:44:13,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:44:13,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188560298] [2024-11-24 01:44:13,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188560298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:44:13,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:44:13,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:44:13,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807876709] [2024-11-24 01:44:13,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:44:13,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:44:13,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:44:13,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:44:13,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:44:13,094 INFO L87 Difference]: Start difference. First operand 24392 states and 34990 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-24 01:44:17,163 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 [] [2024-11-24 01:44:19,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:44:19,715 INFO L93 Difference]: Finished difference Result 71702 states and 102847 transitions. [2024-11-24 01:44:19,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:44:19,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 212 [2024-11-24 01:44:19,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:44:20,229 INFO L225 Difference]: With dead ends: 71702 [2024-11-24 01:44:20,229 INFO L226 Difference]: Without dead ends: 47345 [2024-11-24 01:44:20,442 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 [2024-11-24 01:44:20,445 INFO L435 NwaCegarLoop]: 4776 mSDtfsCounter, 4331 mSDsluCounter, 4355 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4331 SdHoareTripleChecker+Valid, 9131 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:44:20,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4331 Valid, 9131 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 01:44:20,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47345 states. [2024-11-24 01:44:23,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47345 to 47263. [2024-11-24 01:44:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47263 states, 32981 states have (on average 1.3089960886571057) internal successors, (43172), 34215 states have internal predecessors, (43172), 12202 states have call successors, (12202), 2086 states have call predecessors, (12202), 2077 states have return successors, (12422), 11271 states have call predecessors, (12422), 12198 states have call successors, (12422) [2024-11-24 01:44:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47263 states to 47263 states and 67796 transitions. [2024-11-24 01:44:23,692 INFO L78 Accepts]: Start accepts. Automaton has 47263 states and 67796 transitions. Word has length 212 [2024-11-24 01:44:23,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:44:23,693 INFO L471 AbstractCegarLoop]: Abstraction has 47263 states and 67796 transitions. [2024-11-24 01:44:23,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-24 01:44:23,693 INFO L276 IsEmpty]: Start isEmpty. Operand 47263 states and 67796 transitions. [2024-11-24 01:44:23,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-24 01:44:23,713 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:44:23,713 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:44:23,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:44:23,713 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:44:23,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:44:23,714 INFO L85 PathProgramCache]: Analyzing trace with hash 592599866, now seen corresponding path program 1 times [2024-11-24 01:44:23,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:44:23,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540326928] [2024-11-24 01:44:23,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:44:23,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:44:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:44:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1049 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2024-11-24 01:44:27,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:44:27,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540326928] [2024-11-24 01:44:27,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540326928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:44:27,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:44:27,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:44:27,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148181173] [2024-11-24 01:44:27,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:44:27,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:44:27,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:44:27,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:44:27,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:44:27,682 INFO L87 Difference]: Start difference. First operand 47263 states and 67796 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-24 01:44:31,745 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 [] [2024-11-24 01:44:34,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:44:34,012 INFO L93 Difference]: Finished difference Result 127506 states and 183091 transitions. [2024-11-24 01:44:34,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:44:34,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 239 [2024-11-24 01:44:34,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:44:34,726 INFO L225 Difference]: With dead ends: 127506 [2024-11-24 01:44:34,726 INFO L226 Difference]: Without dead ends: 80278 [2024-11-24 01:44:34,977 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 [2024-11-24 01:44:34,977 INFO L435 NwaCegarLoop]: 4670 mSDtfsCounter, 4375 mSDsluCounter, 4436 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4375 SdHoareTripleChecker+Valid, 9106 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:44:34,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4375 Valid, 9106 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:44:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80278 states. [2024-11-24 01:44:38,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80278 to 80220. [2024-11-24 01:44:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80220 states, 55900 states have (on average 1.30824686940966) internal successors, (73131), 57987 states have internal predecessors, (73131), 20832 states have call successors, (20832), 3506 states have call predecessors, (20832), 3485 states have return successors, (21264), 19252 states have call predecessors, (21264), 20828 states have call successors, (21264) [2024-11-24 01:44:39,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80220 states to 80220 states and 115227 transitions. [2024-11-24 01:44:39,454 INFO L78 Accepts]: Start accepts. Automaton has 80220 states and 115227 transitions. Word has length 239 [2024-11-24 01:44:39,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:44:39,455 INFO L471 AbstractCegarLoop]: Abstraction has 80220 states and 115227 transitions. [2024-11-24 01:44:39,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-24 01:44:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 80220 states and 115227 transitions. [2024-11-24 01:44:39,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-24 01:44:39,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:44:39,474 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:44:39,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:44:39,474 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:44:39,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:44:39,475 INFO L85 PathProgramCache]: Analyzing trace with hash -324281460, now seen corresponding path program 1 times [2024-11-24 01:44:39,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:44:39,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609479442] [2024-11-24 01:44:39,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:44:39,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:44:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:44:43,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2024-11-24 01:44:43,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:44:43,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609479442] [2024-11-24 01:44:43,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609479442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:44:43,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:44:43,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:44:43,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814773046] [2024-11-24 01:44:43,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:44:43,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:44:43,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:44:43,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:44:43,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:44:43,248 INFO L87 Difference]: Start difference. First operand 80220 states and 115227 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-24 01:44:47,300 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 [] [2024-11-24 01:44:52,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:44:52,301 INFO L93 Difference]: Finished difference Result 235674 states and 338808 transitions. [2024-11-24 01:44:52,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:44:52,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 253 [2024-11-24 01:44:52,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:44:53,713 INFO L225 Difference]: With dead ends: 235674 [2024-11-24 01:44:53,713 INFO L226 Difference]: Without dead ends: 156792 [2024-11-24 01:44:54,068 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 [2024-11-24 01:44:54,069 INFO L435 NwaCegarLoop]: 6714 mSDtfsCounter, 4265 mSDsluCounter, 4419 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4265 SdHoareTripleChecker+Valid, 11133 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:44:54,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4265 Valid, 11133 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 01:44:54,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156792 states.