./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 20:49:59,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 20:49:59,097 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 20:49:59,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 20:49:59,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 20:49:59,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 20:49:59,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 20:49:59,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 20:49:59,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 20:49:59,132 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 20:49:59,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 20:49:59,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 20:49:59,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 20:49:59,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 20:49:59,133 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 20:49:59,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 20:49:59,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 20:49:59,134 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 20:49:59,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:49:59,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 20:49:59,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 20:49:59,135 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 20:49:59,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 20:49:59,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 20:49:59,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 20:49:59,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 20:49:59,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 20:49:59,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 20:49:59,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 20:49:59,136 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/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 -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2025-03-08 20:49:59,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 20:49:59,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 20:49:59,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 20:49:59,356 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 20:49:59,356 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 20:49:59,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2025-03-08 20:50:00,463 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42ab34481/0a3b507926cb49c2ac03ea8c92c536ce/FLAG04c1d2b91 [2025-03-08 20:50:01,015 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 20:50:01,016 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2025-03-08 20:50:01,069 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42ab34481/0a3b507926cb49c2ac03ea8c92c536ce/FLAG04c1d2b91 [2025-03-08 20:50:01,537 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42ab34481/0a3b507926cb49c2ac03ea8c92c536ce [2025-03-08 20:50:01,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 20:50:01,540 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 20:50:01,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 20:50:01,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 20:50:01,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 20:50:01,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:50:01" (1/1) ... [2025-03-08 20:50:01,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e00b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:01, skipping insertion in model container [2025-03-08 20:50:01,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:50:01" (1/1) ... [2025-03-08 20:50:01,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 20:50:03,614 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2025-03-08 20:50:03,617 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2025-03-08 20:50:03,617 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2025-03-08 20:50:03,617 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2025-03-08 20:50:03,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:50:03,657 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 20:50:03,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5245] [2025-03-08 20:50:03,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5252] [2025-03-08 20:50:03,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5259] [2025-03-08 20:50:03,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5309-5310] [2025-03-08 20:50:03,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5315-5317] [2025-03-08 20:50:03,758 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5476-5477] [2025-03-08 20:50:03,759 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5510-5511] [2025-03-08 20:50:03,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7257] [2025-03-08 20:50:03,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7580] [2025-03-08 20:50:03,898 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2025-03-08 20:50:03,899 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2025-03-08 20:50:03,899 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2025-03-08 20:50:03,899 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2025-03-08 20:50:03,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:50:04,008 INFO L204 MainTranslator]: Completed translation [2025-03-08 20:50:04,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04 WrapperNode [2025-03-08 20:50:04,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 20:50:04,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 20:50:04,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 20:50:04,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 20:50:04,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:04,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:04,263 INFO L138 Inliner]: procedures = 421, calls = 2027, calls flagged for inlining = 203, calls inlined = 186, statements flattened = 6148 [2025-03-08 20:50:04,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 20:50:04,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 20:50:04,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 20:50:04,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 20:50:04,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:04,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:04,348 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:04,905 INFO L175 MemorySlicer]: Split 1041 memory accesses to 23 slices as follows [3, 2, 3, 5, 5, 1, 6, 5, 853, 5, 1, 2, 2, 4, 4, 2, 3, 56, 5, 5, 13, 4, 52]. 82 percent of accesses are in the largest equivalence class. The 65 initializations are split as follows [3, 0, 1, 5, 5, 0, 0, 5, 17, 5, 1, 2, 0, 0, 4, 0, 3, 0, 5, 5, 0, 4, 0]. The 473 writes are split as follows [0, 1, 0, 0, 0, 0, 4, 0, 360, 0, 0, 0, 1, 3, 0, 1, 0, 56, 0, 0, 5, 0, 42]. [2025-03-08 20:50:04,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:04,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:05,010 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:05,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:05,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:05,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:05,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 20:50:05,105 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 20:50:05,105 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 20:50:05,106 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 20:50:05,106 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (1/1) ... [2025-03-08 20:50:05,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:50:05,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 20:50:05,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 20:50:05,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 20:50:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-03-08 20:50:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-03-08 20:50:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 20:50:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dmfe_board_info [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dmfe_board_info [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2025-03-08 20:50:05,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2025-03-08 20:50:05,159 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2025-03-08 20:50:05,160 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-08 20:50:05,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-03-08 20:50:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2025-03-08 20:50:05,161 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 20:50:05,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 20:50:05,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 20:50:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 20:50:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 20:50:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-08 20:50:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-08 20:50:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-08 20:50:05,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-08 20:50:05,165 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2025-03-08 20:50:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2025-03-08 20:50:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2025-03-08 20:50:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2025-03-08 20:50:05,166 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-03-08 20:50:05,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-08 20:50:05,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 20:50:05,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 20:50:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 20:50:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 20:50:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 20:50:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 20:50:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 20:50:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 20:50:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 20:50:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 20:50:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 20:50:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 20:50:05,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 20:50:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-08 20:50:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-08 20:50:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-03-08 20:50:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2025-03-08 20:50:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2025-03-08 20:50:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:50:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:50:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2025-03-08 20:50:05,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2025-03-08 20:50:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2025-03-08 20:50:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-03-08 20:50:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-08 20:50:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-08 20:50:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-08 20:50:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2025-03-08 20:50:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 20:50:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 20:50:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-03-08 20:50:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 20:50:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 20:50:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:50:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:50:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2025-03-08 20:50:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2025-03-08 20:50:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2025-03-08 20:50:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2025-03-08 20:50:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-03-08 20:50:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-03-08 20:50:05,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-03-08 20:50:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-03-08 20:50:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2025-03-08 20:50:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2025-03-08 20:50:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-08 20:50:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-08 20:50:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-03-08 20:50:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-03-08 20:50:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2025-03-08 20:50:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2025-03-08 20:50:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-03-08 20:50:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-03-08 20:50:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 20:50:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 20:50:05,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 20:50:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 20:50:05,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-03-08 20:50:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2025-03-08 20:50:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 20:50:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2025-03-08 20:50:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-08 20:50:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-08 20:50:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2025-03-08 20:50:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-08 20:50:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2025-03-08 20:50:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 20:50:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 20:50:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2025-03-08 20:50:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2025-03-08 20:50:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2025-03-08 20:50:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-08 20:50:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2025-03-08 20:50:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2025-03-08 20:50:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 20:50:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 20:50:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-08 20:50:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-08 20:50:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-08 20:50:05,884 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 20:50:05,886 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 20:50:05,902 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 20:50:06,053 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5261-1: test_and_clear_bit_#res#1 := 1; [2025-03-08 20:50:06,054 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12514: havoc netpoll_trap_#t~nondet1189#1; [2025-03-08 20:50:06,082 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8533: call ULTIMATE.dealloc(~#tmp___0~22#1.base, ~#tmp___0~22#1.offset);havoc ~#tmp___0~22#1.base, ~#tmp___0~22#1.offset; [2025-03-08 20:50:06,217 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9949-1: ldv_request_irq_#res#1 := ldv_request_irq_~arg0#1; [2025-03-08 20:50:06,217 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12575: havoc request_threaded_irq_#t~nondet1200#1; [2025-03-08 20:50:06,217 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10346-1: ldv_request_irq_67_#res#1 := ldv_request_irq_67_~ldv_func_res~2#1; [2025-03-08 20:50:06,217 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6276: call ULTIMATE.dealloc(~#__key~1#1.base, ~#__key~1#1.offset);havoc ~#__key~1#1.base, ~#__key~1#1.offset; [2025-03-08 20:50:06,256 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5267: havoc constant_test_bit_#t~mem0#1;havoc constant_test_bit_#t~bitwise1#1; [2025-03-08 20:50:06,311 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12455: havoc ioread16_#t~nondet1184#1; [2025-03-08 20:50:06,320 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12459: havoc #t~nondet1185; [2025-03-08 20:50:06,351 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5386: havoc kobject_name_#t~mem32#1.base, kobject_name_#t~mem32#1.offset; [2025-03-08 20:50:06,352 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: havoc dev_name_#t~mem46#1.base, dev_name_#t~mem46#1.offset; [2025-03-08 20:50:06,403 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5430: havoc is_device_dma_capable_#t~mem53#1.base, is_device_dma_capable_#t~mem53#1.offset;havoc is_device_dma_capable_#t~mem54#1.base, is_device_dma_capable_#t~mem54#1.offset;havoc is_device_dma_capable_#t~mem55#1;havoc is_device_dma_capable_#t~short56#1; [2025-03-08 20:50:06,511 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12408: havoc #t~nondet1176; [2025-03-08 20:50:06,524 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10456: havoc ldv_dev_get_drvdata_#t~mem1063#1.base, ldv_dev_get_drvdata_#t~mem1063#1.offset;havoc ldv_dev_get_drvdata_#t~mem1064#1.base, ldv_dev_get_drvdata_#t~mem1064#1.offset; [2025-03-08 20:50:06,532 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12584: havoc #t~nondet1204; [2025-03-08 20:50:06,538 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12438: havoc #t~nondet1182; [2025-03-08 20:50:06,551 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12357: havoc __pci_enable_wake_#t~nondet1169#1; [2025-03-08 20:50:06,601 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12567: havoc #t~nondet1198; [2025-03-08 20:50:07,066 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5279: havoc __le16_to_cpup_#t~mem3#1; [2025-03-08 20:50:07,076 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5680: havoc #t~mem149.base, #t~mem149.offset; [2025-03-08 20:50:07,084 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: havoc #t~mem80.base, #t~mem80.offset; [2025-03-08 20:50:07,089 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12522: havoc pci_bus_write_config_dword_#t~nondet1191#1; [2025-03-08 20:50:07,224 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7380: call ULTIMATE.dealloc(~#hash_table~0#1.base, ~#hash_table~0#1.offset);havoc ~#hash_table~0#1.base, ~#hash_table~0#1.offset; [2025-03-08 20:50:07,226 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12365: havoc #t~nondet1171; [2025-03-08 20:50:07,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12510: havoc netif_rx_#t~nondet1188#1; [2025-03-08 20:50:07,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12434: havoc eth_type_trans_#t~nondet1181#1; [2025-03-08 20:50:07,544 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5325: havoc arch_irqs_disabled_flags_#t~bitwise19#1; [2025-03-08 20:50:07,564 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12388: havoc crc32_le_#t~nondet1174#1; [2025-03-08 20:50:07,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7597: call ULTIMATE.dealloc(~#cmd~0.base, ~#cmd~0.offset);havoc ~#cmd~0.base, ~#cmd~0.offset; [2025-03-08 20:50:07,633 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5273: havoc #t~mem2; [2025-03-08 20:50:07,639 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12518: havoc pci_bus_read_config_dword_#t~nondet1190#1; [2025-03-08 20:50:07,645 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12463: havoc #t~nondet1186; [2025-03-08 20:50:07,658 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12560: havoc #t~nondet1197; [2025-03-08 20:50:07,691 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12404: havoc del_timer_sync_#t~nondet1175#1; [2025-03-08 20:50:07,691 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10381-1: ldv_del_timer_sync_71_#res#1 := ldv_del_timer_sync_71_~ldv_func_res~3#1; [2025-03-08 20:50:07,691 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8900-1: ldv_del_timer_sync_#res#1 := ldv_del_timer_sync_~arg0#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9618: call ULTIMATE.dealloc(ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset);havoc ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12526: havoc pci_choose_state_#t~nondet1192#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10283-1: ldv_alloc_etherdev_mqs_62_#res#1.base, ldv_alloc_etherdev_mqs_62_#res#1.offset := ldv_alloc_etherdev_mqs_62_~ldv_func_res~0#1.base, ldv_alloc_etherdev_mqs_62_~ldv_func_res~0#1.offset; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: #t~ret1206#1 := main_#res#1;havoc main_#t~ret985#1, main_~tmp~60#1;assume { :end_inline_main } true; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12533: havoc pci_enable_device_#t~nondet1193#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9629: call ULTIMATE.dealloc(ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset);havoc ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12536: havoc pci_iomap_#t~ret1194#1.base, pci_iomap_#t~ret1194#1.offset; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12412: havoc dev_warn_#t~nondet1177#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10298-1: ldv_register_netdev_63_#res#1 := ldv_register_netdev_63_~ldv_func_res~1#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8845-1: ldv___pci_register_driver_#res#1 := ldv___pci_register_driver_~arg0#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12546: havoc pci_request_regions_#t~nondet1195#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9905-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9906-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12419: havoc dma_set_mask_#t~nondet1178#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10438-1: ldv___pci_register_driver_85_#res#1 := ldv___pci_register_driver_85_~ldv_func_res~4#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12553: havoc pci_save_state_#t~nondet1196#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12488: havoc ldv_pre_register_netdev_#t~nondet1187#1; [2025-03-08 20:50:13,444 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12426: havoc eth_change_mtu_#t~nondet1179#1; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12361: havoc __pci_register_driver_#t~nondet1170#1; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12430: havoc eth_mac_addr_#t~nondet1180#1; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8864-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8867-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8869-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12372: havoc _dev_info_#t~nondet1172#1; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12571: havoc register_netdev_#t~nondet1199#1; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12442: havoc ethtool_op_get_link_#t~nondet1183#1; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6037: call ULTIMATE.dealloc(dmfe_init_one_~#pci_pmr~0#1.base, dmfe_init_one_~#pci_pmr~0#1.offset);havoc dmfe_init_one_~#pci_pmr~0#1.base, dmfe_init_one_~#pci_pmr~0#1.offset;call ULTIMATE.dealloc(dmfe_init_one_~#__key~0#1.base, dmfe_init_one_~#__key~0#1.offset);havoc dmfe_init_one_~#__key~0#1.base, dmfe_init_one_~#__key~0#1.offset; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8483: call ULTIMATE.dealloc(dmfe_suspend_~#state#1.base, dmfe_suspend_~#state#1.offset);havoc dmfe_suspend_~#state#1.base, dmfe_suspend_~#state#1.offset;call ULTIMATE.dealloc(dmfe_suspend_~#tmp___1~9#1.base, dmfe_suspend_~#tmp___1~9#1.offset);havoc dmfe_suspend_~#tmp___1~9#1.base, dmfe_suspend_~#tmp___1~9#1.offset; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12381: havoc alloc_etherdev_mqs_#t~ret1173#1.base, alloc_etherdev_mqs_#t~ret1173#1.offset; [2025-03-08 20:50:13,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-08 20:50:14,197 INFO L? ?]: Removed 2337 outVars from TransFormulas that were not future-live. [2025-03-08 20:50:14,197 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 20:50:14,310 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 20:50:14,310 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 20:50:14,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:50:14 BoogieIcfgContainer [2025-03-08 20:50:14,311 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 20:50:14,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 20:50:14,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 20:50:14,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 20:50:14,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 08:50:01" (1/3) ... [2025-03-08 20:50:14,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b25087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:50:14, skipping insertion in model container [2025-03-08 20:50:14,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:50:04" (2/3) ... [2025-03-08 20:50:14,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b25087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:50:14, skipping insertion in model container [2025-03-08 20:50:14,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:50:14" (3/3) ... [2025-03-08 20:50:14,319 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2025-03-08 20:50:14,333 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 20:50:14,336 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i that has 85 procedures, 2245 locations, 1 initial locations, 3 loop locations, and 3 error locations. [2025-03-08 20:50:14,435 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 20:50:14,443 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;@60fb336a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 20:50:14,443 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-08 20:50:14,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 2243 states, 1697 states have (on average 1.3635827931644078) internal successors, (2314), 1720 states have internal predecessors, (2314), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) [2025-03-08 20:50:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-03-08 20:50:14,462 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:50:14,463 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:50:14,463 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)] === [2025-03-08 20:50:14,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:50:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1829980894, now seen corresponding path program 1 times [2025-03-08 20:50:14,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:50:14,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791562234] [2025-03-08 20:50:14,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:50:14,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:50:18,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-03-08 20:50:19,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-03-08 20:50:19,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:50:19,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:50:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-03-08 20:50:19,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:50:19,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791562234] [2025-03-08 20:50:19,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791562234] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:50:19,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:50:19,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:50:19,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157146772] [2025-03-08 20:50:19,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:50:19,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:50:19,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:50:19,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:50:19,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:50:19,783 INFO L87 Difference]: Start difference. First operand has 2243 states, 1697 states have (on average 1.3635827931644078) internal successors, (2314), 1720 states have internal predecessors, (2314), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-08 20:50:23,841 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 [] [2025-03-08 20:50:27,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:50:27,433 INFO L93 Difference]: Finished difference Result 6568 states and 9676 transitions. [2025-03-08 20:50:27,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:50:27,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2025-03-08 20:50:27,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:50:27,475 INFO L225 Difference]: With dead ends: 6568 [2025-03-08 20:50:27,475 INFO L226 Difference]: Without dead ends: 4336 [2025-03-08 20:50:27,497 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 [2025-03-08 20:50:27,499 INFO L435 NwaCegarLoop]: 3059 mSDtfsCounter, 3042 mSDsluCounter, 2954 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 6013 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2025-03-08 20:50:27,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 6013 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 292 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2025-03-08 20:50:27,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4336 states. [2025-03-08 20:50:27,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4336 to 4332. [2025-03-08 20:50:27,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4332 states, 3303 states have (on average 1.3345443536179231) internal successors, (4408), 3348 states have internal predecessors, (4408), 864 states have call successors, (864), 163 states have call predecessors, (864), 162 states have return successors, (860), 842 states have call predecessors, (860), 860 states have call successors, (860) [2025-03-08 20:50:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4332 states to 4332 states and 6132 transitions. [2025-03-08 20:50:27,751 INFO L78 Accepts]: Start accepts. Automaton has 4332 states and 6132 transitions. Word has length 116 [2025-03-08 20:50:27,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:50:27,754 INFO L471 AbstractCegarLoop]: Abstraction has 4332 states and 6132 transitions. [2025-03-08 20:50:27,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-08 20:50:27,754 INFO L276 IsEmpty]: Start isEmpty. Operand 4332 states and 6132 transitions. [2025-03-08 20:50:27,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-08 20:50:27,765 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:50:27,765 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:50:27,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 20:50:27,766 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)] === [2025-03-08 20:50:27,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:50:27,766 INFO L85 PathProgramCache]: Analyzing trace with hash 928588868, now seen corresponding path program 1 times [2025-03-08 20:50:27,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:50:27,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094937783] [2025-03-08 20:50:27,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:50:27,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:50:32,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-08 20:50:32,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-08 20:50:32,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:50:32,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:50:32,530 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-03-08 20:50:32,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:50:32,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094937783] [2025-03-08 20:50:32,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094937783] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:50:32,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:50:32,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:50:32,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579213058] [2025-03-08 20:50:32,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:50:32,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:50:32,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:50:32,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:50:32,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:50:32,533 INFO L87 Difference]: Start difference. First operand 4332 states and 6132 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:50:36,575 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 [] [2025-03-08 20:50:40,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:50:40,692 INFO L93 Difference]: Finished difference Result 12862 states and 18226 transitions. [2025-03-08 20:50:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:50:40,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2025-03-08 20:50:40,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:50:40,757 INFO L225 Difference]: With dead ends: 12862 [2025-03-08 20:50:40,757 INFO L226 Difference]: Without dead ends: 8551 [2025-03-08 20:50:40,782 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 [2025-03-08 20:50:40,783 INFO L435 NwaCegarLoop]: 3039 mSDtfsCounter, 3095 mSDsluCounter, 2968 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3095 SdHoareTripleChecker+Valid, 6007 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2025-03-08 20:50:40,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3095 Valid, 6007 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 288 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2025-03-08 20:50:40,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8551 states. [2025-03-08 20:50:41,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8551 to 8521. [2025-03-08 20:50:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8521 states, 6521 states have (on average 1.3369115166385523) internal successors, (8718), 6615 states have internal predecessors, (8718), 1676 states have call successors, (1676), 324 states have call predecessors, (1676), 321 states have return successors, (1682), 1625 states have call predecessors, (1682), 1672 states have call successors, (1682) [2025-03-08 20:50:41,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8521 states to 8521 states and 12076 transitions. [2025-03-08 20:50:41,077 INFO L78 Accepts]: Start accepts. Automaton has 8521 states and 12076 transitions. Word has length 122 [2025-03-08 20:50:41,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:50:41,078 INFO L471 AbstractCegarLoop]: Abstraction has 8521 states and 12076 transitions. [2025-03-08 20:50:41,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:50:41,079 INFO L276 IsEmpty]: Start isEmpty. Operand 8521 states and 12076 transitions. [2025-03-08 20:50:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-08 20:50:41,084 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:50:41,085 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:50:41,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 20:50:41,085 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:50:41,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:50:41,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1817624859, now seen corresponding path program 1 times [2025-03-08 20:50:41,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:50:41,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397915634] [2025-03-08 20:50:41,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:50:41,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:50:45,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-08 20:50:45,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-08 20:50:45,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:50:45,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:50:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-03-08 20:50:45,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:50:45,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397915634] [2025-03-08 20:50:45,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397915634] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:50:45,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:50:45,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:50:45,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470407054] [2025-03-08 20:50:45,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:50:45,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:50:45,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:50:45,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:50:45,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:50:45,574 INFO L87 Difference]: Start difference. First operand 8521 states and 12076 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:50:49,614 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 [] [2025-03-08 20:50:53,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:50:53,792 INFO L93 Difference]: Finished difference Result 24131 states and 34104 transitions. [2025-03-08 20:50:53,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:50:53,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2025-03-08 20:50:53,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:50:53,880 INFO L225 Difference]: With dead ends: 24131 [2025-03-08 20:50:53,881 INFO L226 Difference]: Without dead ends: 15631 [2025-03-08 20:50:53,914 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 [2025-03-08 20:50:53,917 INFO L435 NwaCegarLoop]: 3229 mSDtfsCounter, 2638 mSDsluCounter, 2960 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2638 SdHoareTripleChecker+Valid, 6189 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2025-03-08 20:50:53,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2638 Valid, 6189 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 289 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2025-03-08 20:50:53,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15631 states. [2025-03-08 20:50:54,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15631 to 15597. [2025-03-08 20:50:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15597 states, 11919 states have (on average 1.331655340213105) internal successors, (15872), 12101 states have internal predecessors, (15872), 3056 states have call successors, (3056), 626 states have call predecessors, (3056), 619 states have return successors, (3078), 2953 states have call predecessors, (3078), 3052 states have call successors, (3078) [2025-03-08 20:50:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15597 states to 15597 states and 22006 transitions. [2025-03-08 20:50:54,395 INFO L78 Accepts]: Start accepts. Automaton has 15597 states and 22006 transitions. Word has length 122 [2025-03-08 20:50:54,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:50:54,396 INFO L471 AbstractCegarLoop]: Abstraction has 15597 states and 22006 transitions. [2025-03-08 20:50:54,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:50:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 15597 states and 22006 transitions. [2025-03-08 20:50:54,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-08 20:50:54,402 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:50:54,402 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:50:54,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 20:50:54,403 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:50:54,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:50:54,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1880205498, now seen corresponding path program 1 times [2025-03-08 20:50:54,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:50:54,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780786291] [2025-03-08 20:50:54,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:50:54,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:50:58,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-08 20:50:58,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-08 20:50:58,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:50:58,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:50:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-03-08 20:50:58,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:50:58,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780786291] [2025-03-08 20:50:58,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780786291] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:50:58,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:50:58,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:50:58,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600537975] [2025-03-08 20:50:58,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:50:58,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:50:58,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:50:58,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:50:58,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:50:58,926 INFO L87 Difference]: Start difference. First operand 15597 states and 22006 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-08 20:51:02,964 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 [] [2025-03-08 20:51:08,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:51:08,280 INFO L93 Difference]: Finished difference Result 30635 states and 43242 transitions. [2025-03-08 20:51:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:51:08,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 126 [2025-03-08 20:51:08,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:51:08,344 INFO L225 Difference]: With dead ends: 30635 [2025-03-08 20:51:08,345 INFO L226 Difference]: Without dead ends: 15059 [2025-03-08 20:51:08,388 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 [2025-03-08 20:51:08,388 INFO L435 NwaCegarLoop]: 3667 mSDtfsCounter, 2323 mSDsluCounter, 2955 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2323 SdHoareTripleChecker+Valid, 6622 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2025-03-08 20:51:08,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2323 Valid, 6622 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 391 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2025-03-08 20:51:08,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15059 states. [2025-03-08 20:51:08,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15059 to 15027. [2025-03-08 20:51:08,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15027 states, 11582 states have (on average 1.3380245208081505) internal successors, (15497), 11765 states have internal predecessors, (15497), 2811 states have call successors, (2811), 639 states have call predecessors, (2811), 631 states have return successors, (2820), 2703 states have call predecessors, (2820), 2807 states have call successors, (2820) [2025-03-08 20:51:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15027 states to 15027 states and 21128 transitions. [2025-03-08 20:51:08,735 INFO L78 Accepts]: Start accepts. Automaton has 15027 states and 21128 transitions. Word has length 126 [2025-03-08 20:51:08,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:51:08,736 INFO L471 AbstractCegarLoop]: Abstraction has 15027 states and 21128 transitions. [2025-03-08 20:51:08,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-08 20:51:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 15027 states and 21128 transitions. [2025-03-08 20:51:08,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-08 20:51:08,740 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:51:08,740 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:51:08,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 20:51:08,740 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:51:08,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:51:08,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1379480699, now seen corresponding path program 1 times [2025-03-08 20:51:08,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:51:08,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814227024] [2025-03-08 20:51:08,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:51:08,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:51:12,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-08 20:51:12,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-08 20:51:12,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:51:12,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:51:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-03-08 20:51:12,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:51:12,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814227024] [2025-03-08 20:51:12,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814227024] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:51:12,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:51:12,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:51:12,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120835808] [2025-03-08 20:51:12,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:51:12,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:51:12,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:51:12,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:51:12,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:51:12,807 INFO L87 Difference]: Start difference. First operand 15027 states and 21128 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-08 20:51:16,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:51:22,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:51:22,328 INFO L93 Difference]: Finished difference Result 39689 states and 55825 transitions. [2025-03-08 20:51:22,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:51:22,328 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2025-03-08 20:51:22,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:51:22,458 INFO L225 Difference]: With dead ends: 39689 [2025-03-08 20:51:22,458 INFO L226 Difference]: Without dead ends: 24683 [2025-03-08 20:51:22,521 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 [2025-03-08 20:51:22,523 INFO L435 NwaCegarLoop]: 3038 mSDtfsCounter, 2921 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2921 SdHoareTripleChecker+Valid, 5994 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2025-03-08 20:51:22,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2921 Valid, 5994 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 319 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2025-03-08 20:51:22,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24683 states. [2025-03-08 20:51:23,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24683 to 24652. [2025-03-08 20:51:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24652 states, 19002 states have (on average 1.3373855383643827) internal successors, (25413), 19295 states have internal predecessors, (25413), 4599 states have call successors, (4599), 1063 states have call predecessors, (4599), 1048 states have return successors, (4624), 4407 states have call predecessors, (4624), 4595 states have call successors, (4624) [2025-03-08 20:51:23,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24652 states to 24652 states and 34636 transitions. [2025-03-08 20:51:23,262 INFO L78 Accepts]: Start accepts. Automaton has 24652 states and 34636 transitions. Word has length 128 [2025-03-08 20:51:23,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:51:23,263 INFO L471 AbstractCegarLoop]: Abstraction has 24652 states and 34636 transitions. [2025-03-08 20:51:23,263 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-08 20:51:23,263 INFO L276 IsEmpty]: Start isEmpty. Operand 24652 states and 34636 transitions. [2025-03-08 20:51:23,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-08 20:51:23,265 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:51:23,266 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 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] [2025-03-08 20:51:23,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 20:51:23,266 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:51:23,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:51:23,266 INFO L85 PathProgramCache]: Analyzing trace with hash -2048167180, now seen corresponding path program 1 times [2025-03-08 20:51:23,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:51:23,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613986641] [2025-03-08 20:51:23,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:51:23,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:51:27,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 20:51:27,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 20:51:27,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:51:27,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:51:27,460 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2025-03-08 20:51:27,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:51:27,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613986641] [2025-03-08 20:51:27,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613986641] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:51:27,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:51:27,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:51:27,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031871331] [2025-03-08 20:51:27,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:51:27,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:51:27,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:51:27,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:51:27,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:51:27,462 INFO L87 Difference]: Start difference. First operand 24652 states and 34636 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)