./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-usb-smsc75xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 933dd0d2fb6123c49a9fe18c9ec661f96e4ab43ff48b9b6395d569a8d178a6c2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 19:44:55,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 19:44:55,106 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 19:44:55,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 19:44:55,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 19:44:55,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 19:44:55,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 19:44:55,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 19:44:55,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 19:44:55,136 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 19:44:55,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 19:44:55,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 19:44:55,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 19:44:55,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 19:44:55,137 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 19:44:55,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 19:44:55,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 19:44:55,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 19:44:55,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 19:44:55,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 19:44:55,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 19:44:55,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 19:44:55,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 19:44:55,138 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 19:44:55,138 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 19:44:55,138 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 19:44:55,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:44:55,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:44:55,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:44:55,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:44:55,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 19:44:55,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:44:55,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:44:55,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:44:55,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:44:55,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 19:44:55,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 19:44:55,140 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 19:44:55,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 19:44:55,140 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 19:44:55,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 19:44:55,140 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 19:44:55,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 19:44:55,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 19:44:55,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 19:44:55,140 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 933dd0d2fb6123c49a9fe18c9ec661f96e4ab43ff48b9b6395d569a8d178a6c2 [2025-01-09 19:44:55,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 19:44:55,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 19:44:55,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 19:44:55,350 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 19:44:55,350 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 19:44:55,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2025-01-09 19:44:56,495 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17cd28080/0146fa15439b48909c3e93ad36d94e5c/FLAG05b58a19d [2025-01-09 19:44:56,916 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 19:44:56,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2025-01-09 19:44:56,958 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17cd28080/0146fa15439b48909c3e93ad36d94e5c/FLAG05b58a19d [2025-01-09 19:44:57,051 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17cd28080/0146fa15439b48909c3e93ad36d94e5c [2025-01-09 19:44:57,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 19:44:57,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 19:44:57,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 19:44:57,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 19:44:57,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 19:44:57,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:44:57" (1/1) ... [2025-01-09 19:44:57,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8e7021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:57, skipping insertion in model container [2025-01-09 19:44:57,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:44:57" (1/1) ... [2025-01-09 19:44:57,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 19:44:59,049 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2025-01-09 19:44:59,052 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2025-01-09 19:44:59,052 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2025-01-09 19:44:59,052 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2025-01-09 19:44:59,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:44:59,139 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 19:44:59,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (91), "i" (12UL)); [5786-5787] [2025-01-09 19:44:59,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (118), "i" (12UL)); [5826-5827] [2025-01-09 19:44:59,260 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (355), "i" (12UL)); [6178-6179] [2025-01-09 19:44:59,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (356), "i" (12UL)); [6189-6190] [2025-01-09 19:44:59,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (393), "i" (12UL)); [6258-6259] [2025-01-09 19:44:59,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (394), "i" (12UL)); [6269-6270] [2025-01-09 19:44:59,453 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2025-01-09 19:44:59,453 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2025-01-09 19:44:59,453 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2025-01-09 19:44:59,454 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2025-01-09 19:44:59,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:44:59,629 INFO L204 MainTranslator]: Completed translation [2025-01-09 19:44:59,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59 WrapperNode [2025-01-09 19:44:59,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 19:44:59,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 19:44:59,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 19:44:59,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 19:44:59,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:44:59,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:44:59,950 INFO L138 Inliner]: procedures = 389, calls = 3974, calls flagged for inlining = 185, calls inlined = 168, statements flattened = 9181 [2025-01-09 19:44:59,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 19:44:59,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 19:44:59,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 19:44:59,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 19:44:59,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:44:59,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:44:59,998 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:45:00,741 INFO L175 MemorySlicer]: Split 1239 memory accesses to 23 slices as follows [621, 2, 2, 2, 5, 1, 2, 12, 19, 53, 4, 280, 2, 2, 2, 20, 167, 22, 8, 2, 8, 2, 1]. 50 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 8, 0, 0]. The 593 writes are split as follows [193, 1, 1, 1, 5, 0, 0, 1, 19, 44, 1, 240, 1, 1, 1, 10, 54, 18, 0, 1, 0, 1, 0]. [2025-01-09 19:45:00,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:45:00,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:45:00,837 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:45:00,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:45:00,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:45:00,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:45:00,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:45:00,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 19:45:00,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 19:45:00,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 19:45:00,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 19:45:00,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (1/1) ... [2025-01-09 19:45:01,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:45:01,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:45:01,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 19:45:01,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 19:45:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg_nopm [2025-01-09 19:45:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg_nopm [2025-01-09 19:45:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-01-09 19:45:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-01-09 19:45:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2025-01-09 19:45:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2025-01-09 19:45:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 19:45:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 19:45:01,056 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2025-01-09 19:45:01,056 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2025-01-09 19:45:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:45:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:45:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2025-01-09 19:45:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2025-01-09 19:45:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enable_phy_wakeup_interrupts [2025-01-09 19:45:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enable_phy_wakeup_interrupts [2025-01-09 19:45:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_reset [2025-01-09 19:45:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_reset [2025-01-09 19:45:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_eeprom [2025-01-09 19:45:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_eeprom [2025-01-09 19:45:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_write [2025-01-09 19:45:01,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_write [2025-01-09 19:45:01,057 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2025-01-09 19:45:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2025-01-09 19:45:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-01-09 19:45:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-01-09 19:45:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-01-09 19:45:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-01-09 19:45:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_rx_csum_offload [2025-01-09 19:45:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_rx_csum_offload [2025-01-09 19:45:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-01-09 19:45:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-01-09 19:45:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-01-09 19:45:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-01-09 19:45:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 19:45:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_features [2025-01-09 19:45:01,058 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_features [2025-01-09 19:45:01,058 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2025-01-09 19:45:01,059 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 19:45:01,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2025-01-09 19:45:01,060 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2025-01-09 19:45:01,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2025-01-09 19:45:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 19:45:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 19:45:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 19:45:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 19:45:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 19:45:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 19:45:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 19:45:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 19:45:01,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 19:45:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-01-09 19:45:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-01-09 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2025-01-09 19:45:01,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read_nopm [2025-01-09 19:45:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read_nopm [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2025-01-09 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2025-01-09 19:45:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2025-01-09 19:45:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2025-01-09 19:45:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2025-01-09 19:45:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2025-01-09 19:45:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2025-01-09 19:45:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-01-09 19:45:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_phy_wait_not_busy [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_phy_wait_not_busy [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-01-09 19:45:01,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 19:45:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:45:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2025-01-09 19:45:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read [2025-01-09 19:45:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_rx_max_frame_length [2025-01-09 19:45:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_rx_max_frame_length [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-01-09 19:45:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 19:45:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_read_reg [2025-01-09 19:45:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_read_reg [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2025-01-09 19:45:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2025-01-09 19:45:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_get_eeprom_len [2025-01-09 19:45:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_get_eeprom_len [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 19:45:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 19:45:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 19:45:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 19:45:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 19:45:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 19:45:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-01-09 19:45:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 19:45:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2025-01-09 19:45:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2025-01-09 19:45:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:45:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2025-01-09 19:45:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg [2025-01-09 19:45:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2025-01-09 19:45:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-01-09 19:45:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write_nopm [2025-01-09 19:45:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write_nopm [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_multicast [2025-01-09 19:45:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_multicast [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2025-01-09 19:45:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 19:45:01,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 19:45:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 19:45:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 19:45:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 19:45:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 19:45:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 19:45:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-01-09 19:45:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-01-09 19:45:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-01-09 19:45:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-01-09 19:45:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2025-01-09 19:45:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2025-01-09 19:45:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_read [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_read [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg_nopm [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg_nopm [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_write_reg [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_write_reg [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_ready [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_ready [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_eeprom [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_eeprom [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_link_reset [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_link_reset [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_resume [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_resume [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_wuff [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_wuff [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_eeprom_confirm_not_busy [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_eeprom_confirm_not_busy [2025-01-09 19:45:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-01-09 19:45:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-01-09 19:45:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend2 [2025-01-09 19:45:01,077 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend2 [2025-01-09 19:45:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend1 [2025-01-09 19:45:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend1 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg [2025-01-09 19:45:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 19:45:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-01-09 19:45:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2025-01-09 19:45:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2025-01-09 19:45:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-01-09 19:45:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-01-09 19:45:01,949 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 19:45:01,951 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 19:45:02,441 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 19:45:15,297 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-01-09 19:45:16,505 INFO L? ?]: Removed 3118 outVars from TransFormulas that were not future-live. [2025-01-09 19:45:16,505 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 19:45:16,551 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 19:45:16,551 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 19:45:16,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:45:16 BoogieIcfgContainer [2025-01-09 19:45:16,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 19:45:16,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 19:45:16,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 19:45:16,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 19:45:16,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:44:57" (1/3) ... [2025-01-09 19:45:16,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273c1b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:45:16, skipping insertion in model container [2025-01-09 19:45:16,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:44:59" (2/3) ... [2025-01-09 19:45:16,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273c1b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:45:16, skipping insertion in model container [2025-01-09 19:45:16,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:45:16" (3/3) ... [2025-01-09 19:45:16,560 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2025-01-09 19:45:16,571 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 19:45:16,575 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i that has 99 procedures, 2751 locations, 1 initial locations, 46 loop locations, and 3 error locations. [2025-01-09 19:45:16,655 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 19:45:16,664 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;@49464374, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 19:45:16,665 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-09 19:45:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 2639 states, 1955 states have (on average 1.370843989769821) internal successors, (2680), 1958 states have internal predecessors, (2680), 606 states have call successors, (606), 76 states have call predecessors, (606), 75 states have return successors, (599), 599 states have call predecessors, (599), 599 states have call successors, (599) [2025-01-09 19:45:16,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2025-01-09 19:45:16,695 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:45:16,696 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:45:16,696 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)] === [2025-01-09 19:45:16,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:45:16,700 INFO L85 PathProgramCache]: Analyzing trace with hash 695567123, now seen corresponding path program 1 times [2025-01-09 19:45:16,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:45:16,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686014124] [2025-01-09 19:45:16,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:45:16,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:45:19,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 217 statements into 1 equivalence classes. [2025-01-09 19:45:20,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 217 of 217 statements. [2025-01-09 19:45:20,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:45:20,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:45:20,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2025-01-09 19:45:20,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:45:20,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686014124] [2025-01-09 19:45:20,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686014124] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:45:20,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:45:20,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:45:20,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951788980] [2025-01-09 19:45:20,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:45:20,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:45:20,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:45:21,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:45:21,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:21,008 INFO L87 Difference]: Start difference. First operand has 2639 states, 1955 states have (on average 1.370843989769821) internal successors, (2680), 1958 states have internal predecessors, (2680), 606 states have call successors, (606), 76 states have call predecessors, (606), 75 states have return successors, (599), 599 states have call predecessors, (599), 599 states have call successors, (599) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-01-09 19:45:25,069 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 [] [2025-01-09 19:45:25,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:45:25,985 INFO L93 Difference]: Finished difference Result 7733 states and 11777 transitions. [2025-01-09 19:45:25,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:45:25,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 217 [2025-01-09 19:45:25,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:45:26,023 INFO L225 Difference]: With dead ends: 7733 [2025-01-09 19:45:26,023 INFO L226 Difference]: Without dead ends: 5122 [2025-01-09 19:45:26,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:26,042 INFO L435 NwaCegarLoop]: 3843 mSDtfsCounter, 3662 mSDsluCounter, 3768 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3662 SdHoareTripleChecker+Valid, 7611 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-09 19:45:26,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3662 Valid, 7611 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-01-09 19:45:26,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2025-01-09 19:45:26,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 5118. [2025-01-09 19:45:26,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5118 states, 3822 states have (on average 1.3466771323914182) internal successors, (5147), 3827 states have internal predecessors, (5147), 1147 states have call successors, (1147), 147 states have call predecessors, (1147), 146 states have return successors, (1143), 1143 states have call predecessors, (1143), 1143 states have call successors, (1143) [2025-01-09 19:45:26,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 7437 transitions. [2025-01-09 19:45:26,380 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 7437 transitions. Word has length 217 [2025-01-09 19:45:26,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:45:26,381 INFO L471 AbstractCegarLoop]: Abstraction has 5118 states and 7437 transitions. [2025-01-09 19:45:26,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-01-09 19:45:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 7437 transitions. [2025-01-09 19:45:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2025-01-09 19:45:26,394 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:45:26,394 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:45:26,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 19:45:26,394 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)] === [2025-01-09 19:45:26,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:45:26,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1778344957, now seen corresponding path program 1 times [2025-01-09 19:45:26,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:45:26,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120261521] [2025-01-09 19:45:26,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:45:26,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:45:29,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-01-09 19:45:29,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-01-09 19:45:29,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:45:29,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:45:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2025-01-09 19:45:29,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:45:29,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120261521] [2025-01-09 19:45:29,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120261521] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:45:29,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:45:29,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:45:29,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270833738] [2025-01-09 19:45:29,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:45:29,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:45:29,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:45:29,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:45:29,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:29,895 INFO L87 Difference]: Start difference. First operand 5118 states and 7437 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2025-01-09 19:45:33,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:45:35,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:45:35,095 INFO L93 Difference]: Finished difference Result 12330 states and 17933 transitions. [2025-01-09 19:45:35,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:45:35,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 228 [2025-01-09 19:45:35,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:45:35,129 INFO L225 Difference]: With dead ends: 12330 [2025-01-09 19:45:35,130 INFO L226 Difference]: Without dead ends: 7251 [2025-01-09 19:45:35,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:35,145 INFO L435 NwaCegarLoop]: 4083 mSDtfsCounter, 3413 mSDsluCounter, 3725 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 7808 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2025-01-09 19:45:35,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 7808 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2025-01-09 19:45:35,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7251 states. [2025-01-09 19:45:35,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7251 to 7224. [2025-01-09 19:45:35,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7224 states, 5364 states have (on average 1.3484340044742729) internal successors, (7233), 5374 states have internal predecessors, (7233), 1639 states have call successors, (1639), 219 states have call predecessors, (1639), 218 states have return successors, (1635), 1630 states have call predecessors, (1635), 1635 states have call successors, (1635) [2025-01-09 19:45:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7224 states to 7224 states and 10507 transitions. [2025-01-09 19:45:35,387 INFO L78 Accepts]: Start accepts. Automaton has 7224 states and 10507 transitions. Word has length 228 [2025-01-09 19:45:35,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:45:35,390 INFO L471 AbstractCegarLoop]: Abstraction has 7224 states and 10507 transitions. [2025-01-09 19:45:35,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2025-01-09 19:45:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 7224 states and 10507 transitions. [2025-01-09 19:45:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2025-01-09 19:45:35,399 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:45:35,399 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:45:35,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 19:45:35,400 INFO L396 AbstractCegarLoop]: === Iteration 3 === 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)] === [2025-01-09 19:45:35,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:45:35,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1024320444, now seen corresponding path program 1 times [2025-01-09 19:45:35,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:45:35,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200520113] [2025-01-09 19:45:35,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:45:35,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:45:38,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-01-09 19:45:38,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-01-09 19:45:38,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:45:38,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:45:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2025-01-09 19:45:39,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:45:39,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200520113] [2025-01-09 19:45:39,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200520113] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:45:39,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:45:39,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:45:39,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149108097] [2025-01-09 19:45:39,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:45:39,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:45:39,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:45:39,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:45:39,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:39,051 INFO L87 Difference]: Start difference. First operand 7224 states and 10507 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, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2025-01-09 19:45:43,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:45:43,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:45:43,711 INFO L93 Difference]: Finished difference Result 16919 states and 24610 transitions. [2025-01-09 19:45:43,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:45:43,721 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, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 276 [2025-01-09 19:45:43,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:45:43,777 INFO L225 Difference]: With dead ends: 16919 [2025-01-09 19:45:43,777 INFO L226 Difference]: Without dead ends: 11989 [2025-01-09 19:45:43,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:43,800 INFO L435 NwaCegarLoop]: 7429 mSDtfsCounter, 3623 mSDsluCounter, 3776 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3623 SdHoareTripleChecker+Valid, 11205 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-01-09 19:45:43,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3623 Valid, 11205 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-01-09 19:45:43,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11989 states. [2025-01-09 19:45:44,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11989 to 11985. [2025-01-09 19:45:44,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11985 states, 8925 states have (on average 1.349467787114846) internal successors, (12044), 8935 states have internal predecessors, (12044), 2697 states have call successors, (2697), 361 states have call predecessors, (2697), 360 states have return successors, (2693), 2688 states have call predecessors, (2693), 2693 states have call successors, (2693) [2025-01-09 19:45:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11985 states to 11985 states and 17434 transitions. [2025-01-09 19:45:44,245 INFO L78 Accepts]: Start accepts. Automaton has 11985 states and 17434 transitions. Word has length 276 [2025-01-09 19:45:44,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:45:44,246 INFO L471 AbstractCegarLoop]: Abstraction has 11985 states and 17434 transitions. [2025-01-09 19:45:44,246 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, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2025-01-09 19:45:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 11985 states and 17434 transitions. [2025-01-09 19:45:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2025-01-09 19:45:44,253 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:45:44,254 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:45:44,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 19:45:44,255 INFO L396 AbstractCegarLoop]: === Iteration 4 === 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)] === [2025-01-09 19:45:44,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:45:44,255 INFO L85 PathProgramCache]: Analyzing trace with hash 898907590, now seen corresponding path program 1 times [2025-01-09 19:45:44,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:45:44,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987141970] [2025-01-09 19:45:44,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:45:44,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:45:47,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-01-09 19:45:47,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-01-09 19:45:47,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:45:47,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:45:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2025-01-09 19:45:48,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:45:48,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987141970] [2025-01-09 19:45:48,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987141970] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:45:48,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:45:48,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:45:48,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308058945] [2025-01-09 19:45:48,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:45:48,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:45:48,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:45:48,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:45:48,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:45:48,302 INFO L87 Difference]: Start difference. First operand 11985 states and 17434 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 19:45:48,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:45:48,895 INFO L93 Difference]: Finished difference Result 11991 states and 17439 transitions. [2025-01-09 19:45:48,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 19:45:48,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 276 [2025-01-09 19:45:48,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:45:48,953 INFO L225 Difference]: With dead ends: 11991 [2025-01-09 19:45:48,954 INFO L226 Difference]: Without dead ends: 11989 [2025-01-09 19:45:48,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 19:45:48,961 INFO L435 NwaCegarLoop]: 3806 mSDtfsCounter, 3739 mSDsluCounter, 7599 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3740 SdHoareTripleChecker+Valid, 11405 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:45:48,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3740 Valid, 11405 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 19:45:48,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11989 states. [2025-01-09 19:45:49,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11989 to 11989. [2025-01-09 19:45:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11989 states, 8928 states have (on average 1.3493503584229392) internal successors, (12047), 8938 states have internal predecessors, (12047), 2697 states have call successors, (2697), 362 states have call predecessors, (2697), 361 states have return successors, (2693), 2688 states have call predecessors, (2693), 2693 states have call successors, (2693) [2025-01-09 19:45:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11989 states to 11989 states and 17437 transitions. [2025-01-09 19:45:49,321 INFO L78 Accepts]: Start accepts. Automaton has 11989 states and 17437 transitions. Word has length 276 [2025-01-09 19:45:49,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:45:49,321 INFO L471 AbstractCegarLoop]: Abstraction has 11989 states and 17437 transitions. [2025-01-09 19:45:49,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2025-01-09 19:45:49,322 INFO L276 IsEmpty]: Start isEmpty. Operand 11989 states and 17437 transitions. [2025-01-09 19:45:49,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2025-01-09 19:45:49,327 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:45:49,327 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:45:49,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 19:45:49,327 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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)] === [2025-01-09 19:45:49,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:45:49,328 INFO L85 PathProgramCache]: Analyzing trace with hash -180746419, now seen corresponding path program 1 times [2025-01-09 19:45:49,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:45:49,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951864897] [2025-01-09 19:45:49,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:45:49,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:45:52,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-01-09 19:45:52,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-01-09 19:45:52,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:45:52,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:45:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1484 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2025-01-09 19:45:53,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:45:53,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951864897] [2025-01-09 19:45:53,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951864897] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:45:53,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:45:53,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:45:53,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887171468] [2025-01-09 19:45:53,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:45:53,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:45:53,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:45:53,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:45:53,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:45:53,377 INFO L87 Difference]: Start difference. First operand 11989 states and 17437 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-01-09 19:45:53,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:45:53,983 INFO L93 Difference]: Finished difference Result 11995 states and 17442 transitions. [2025-01-09 19:45:53,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 19:45:53,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 281 [2025-01-09 19:45:53,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:45:54,018 INFO L225 Difference]: With dead ends: 11995 [2025-01-09 19:45:54,019 INFO L226 Difference]: Without dead ends: 11993 [2025-01-09 19:45:54,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 19:45:54,022 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3735 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3736 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:45:54,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3736 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 19:45:54,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11993 states. [2025-01-09 19:45:54,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11993 to 11993. [2025-01-09 19:45:54,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11993 states, 8931 states have (on average 1.3492330086216549) internal successors, (12050), 8941 states have internal predecessors, (12050), 2697 states have call successors, (2697), 363 states have call predecessors, (2697), 362 states have return successors, (2693), 2688 states have call predecessors, (2693), 2693 states have call successors, (2693) [2025-01-09 19:45:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11993 states to 11993 states and 17440 transitions. [2025-01-09 19:45:54,342 INFO L78 Accepts]: Start accepts. Automaton has 11993 states and 17440 transitions. Word has length 281 [2025-01-09 19:45:54,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:45:54,343 INFO L471 AbstractCegarLoop]: Abstraction has 11993 states and 17440 transitions. [2025-01-09 19:45:54,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-01-09 19:45:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand 11993 states and 17440 transitions. [2025-01-09 19:45:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2025-01-09 19:45:54,350 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:45:54,350 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:45:54,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 19:45:54,351 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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)] === [2025-01-09 19:45:54,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:45:54,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1119797540, now seen corresponding path program 1 times [2025-01-09 19:45:54,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:45:54,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407886503] [2025-01-09 19:45:54,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:45:54,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:45:57,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 295 statements into 1 equivalence classes. [2025-01-09 19:45:57,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 295 of 295 statements. [2025-01-09 19:45:57,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:45:57,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:45:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1499 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked. [2025-01-09 19:45:57,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:45:57,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407886503] [2025-01-09 19:45:57,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407886503] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:45:57,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:45:57,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:45:57,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966612880] [2025-01-09 19:45:57,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:45:57,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:45:57,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:45:57,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:45:57,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:45:57,668 INFO L87 Difference]: Start difference. First operand 11993 states and 17440 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 19:46:01,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:46:02,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:02,401 INFO L93 Difference]: Finished difference Result 26485 states and 38514 transitions. [2025-01-09 19:46:02,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:46:02,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 295 [2025-01-09 19:46:02,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:02,467 INFO L225 Difference]: With dead ends: 26485 [2025-01-09 19:46:02,467 INFO L226 Difference]: Without dead ends: 16786 [2025-01-09 19:46:02,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:02,505 INFO L435 NwaCegarLoop]: 7430 mSDtfsCounter, 3656 mSDsluCounter, 3778 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3656 SdHoareTripleChecker+Valid, 11208 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:02,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3656 Valid, 11208 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-01-09 19:46:02,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16786 states. [2025-01-09 19:46:02,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16786 to 16756. [2025-01-09 19:46:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16756 states, 12494 states have (on average 1.3496878501680807) internal successors, (16863), 12504 states have internal predecessors, (16863), 3755 states have call successors, (3755), 505 states have call predecessors, (3755), 504 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2025-01-09 19:46:03,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16756 states to 16756 states and 24369 transitions. [2025-01-09 19:46:03,213 INFO L78 Accepts]: Start accepts. Automaton has 16756 states and 24369 transitions. Word has length 295 [2025-01-09 19:46:03,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:03,213 INFO L471 AbstractCegarLoop]: Abstraction has 16756 states and 24369 transitions. [2025-01-09 19:46:03,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2025-01-09 19:46:03,214 INFO L276 IsEmpty]: Start isEmpty. Operand 16756 states and 24369 transitions. [2025-01-09 19:46:03,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2025-01-09 19:46:03,221 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:03,221 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:46:03,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 19:46:03,222 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)] === [2025-01-09 19:46:03,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:03,222 INFO L85 PathProgramCache]: Analyzing trace with hash 423965158, now seen corresponding path program 1 times [2025-01-09 19:46:03,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:03,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755164314] [2025-01-09 19:46:03,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:03,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:06,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 286 statements into 1 equivalence classes. [2025-01-09 19:46:06,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 286 of 286 statements. [2025-01-09 19:46:06,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:06,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:06,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1486 trivial. 0 not checked. [2025-01-09 19:46:06,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:06,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755164314] [2025-01-09 19:46:06,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755164314] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:06,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:06,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:46:06,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957072571] [2025-01-09 19:46:06,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:06,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:46:06,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:06,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:46:06,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:46:06,878 INFO L87 Difference]: Start difference. First operand 16756 states and 24369 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-01-09 19:46:07,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:07,550 INFO L93 Difference]: Finished difference Result 16762 states and 24374 transitions. [2025-01-09 19:46:07,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 19:46:07,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 286 [2025-01-09 19:46:07,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:07,622 INFO L225 Difference]: With dead ends: 16762 [2025-01-09 19:46:07,623 INFO L226 Difference]: Without dead ends: 16760 [2025-01-09 19:46:07,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 19:46:07,635 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3734 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3735 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:07,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 19:46:07,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16760 states. [2025-01-09 19:46:08,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16760 to 16760. [2025-01-09 19:46:08,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16760 states, 12497 states have (on average 1.3496039049371849) internal successors, (16866), 12507 states have internal predecessors, (16866), 3755 states have call successors, (3755), 506 states have call predecessors, (3755), 505 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2025-01-09 19:46:08,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16760 states to 16760 states and 24372 transitions. [2025-01-09 19:46:08,488 INFO L78 Accepts]: Start accepts. Automaton has 16760 states and 24372 transitions. Word has length 286 [2025-01-09 19:46:08,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:08,489 INFO L471 AbstractCegarLoop]: Abstraction has 16760 states and 24372 transitions. [2025-01-09 19:46:08,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2025-01-09 19:46:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 16760 states and 24372 transitions. [2025-01-09 19:46:08,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2025-01-09 19:46:08,497 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:08,497 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:46:08,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 19:46:08,497 INFO L396 AbstractCegarLoop]: === Iteration 8 === 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)] === [2025-01-09 19:46:08,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:08,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1960236717, now seen corresponding path program 1 times [2025-01-09 19:46:08,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:08,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623921831] [2025-01-09 19:46:08,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:08,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:11,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 291 statements into 1 equivalence classes. [2025-01-09 19:46:11,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 291 of 291 statements. [2025-01-09 19:46:11,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:11,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1494 trivial. 0 not checked. [2025-01-09 19:46:12,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:12,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623921831] [2025-01-09 19:46:12,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623921831] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:12,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:12,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:46:12,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420692514] [2025-01-09 19:46:12,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:12,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:46:12,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:12,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:46:12,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:46:12,229 INFO L87 Difference]: Start difference. First operand 16760 states and 24372 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-01-09 19:46:12,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:12,936 INFO L93 Difference]: Finished difference Result 16766 states and 24377 transitions. [2025-01-09 19:46:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 19:46:12,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 291 [2025-01-09 19:46:12,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:13,012 INFO L225 Difference]: With dead ends: 16766 [2025-01-09 19:46:13,013 INFO L226 Difference]: Without dead ends: 16764 [2025-01-09 19:46:13,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 19:46:13,026 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3733 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3734 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:13,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3734 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 19:46:13,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16764 states. [2025-01-09 19:46:13,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16764 to 16764. [2025-01-09 19:46:13,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16764 states, 12500 states have (on average 1.34952) internal successors, (16869), 12510 states have internal predecessors, (16869), 3755 states have call successors, (3755), 507 states have call predecessors, (3755), 506 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2025-01-09 19:46:13,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16764 states to 16764 states and 24375 transitions. [2025-01-09 19:46:13,617 INFO L78 Accepts]: Start accepts. Automaton has 16764 states and 24375 transitions. Word has length 291 [2025-01-09 19:46:13,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:13,618 INFO L471 AbstractCegarLoop]: Abstraction has 16764 states and 24375 transitions. [2025-01-09 19:46:13,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-01-09 19:46:13,618 INFO L276 IsEmpty]: Start isEmpty. Operand 16764 states and 24375 transitions. [2025-01-09 19:46:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2025-01-09 19:46:13,625 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:13,625 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:46:13,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 19:46:13,626 INFO L396 AbstractCegarLoop]: === Iteration 9 === 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)] === [2025-01-09 19:46:13,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:13,626 INFO L85 PathProgramCache]: Analyzing trace with hash -631427578, now seen corresponding path program 1 times [2025-01-09 19:46:13,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:13,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258650400] [2025-01-09 19:46:13,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:13,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:16,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 296 statements into 1 equivalence classes. [2025-01-09 19:46:16,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 296 of 296 statements. [2025-01-09 19:46:16,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:16,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1506 trivial. 0 not checked. [2025-01-09 19:46:17,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:17,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258650400] [2025-01-09 19:46:17,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258650400] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:17,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:17,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:46:17,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858475196] [2025-01-09 19:46:17,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:17,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:46:17,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:17,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:46:17,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:46:17,487 INFO L87 Difference]: Start difference. First operand 16764 states and 24375 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)