./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 19:28:26,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 19:28:26,222 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 19:28:26,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 19:28:26,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 19:28:26,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 19:28:26,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 19:28:26,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 19:28:26,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 19:28:26,255 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 19:28:26,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 19:28:26,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 19:28:26,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 19:28:26,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 19:28:26,256 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:28:26,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:28:26,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:28:26,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 19:28:26,257 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2025-01-09 19:28:26,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 19:28:26,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 19:28:26,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 19:28:26,526 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 19:28:26,527 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 19:28:26,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2025-01-09 19:28:27,715 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8beee3d9/0a0a442f99b14fd6bf94972e6595e267/FLAGc2298afe0 [2025-01-09 19:28:28,275 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 19:28:28,277 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2025-01-09 19:28:28,321 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8beee3d9/0a0a442f99b14fd6bf94972e6595e267/FLAGc2298afe0 [2025-01-09 19:28:28,338 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a8beee3d9/0a0a442f99b14fd6bf94972e6595e267 [2025-01-09 19:28:28,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 19:28:28,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 19:28:28,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 19:28:28,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 19:28:28,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 19:28:28,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:28:28" (1/1) ... [2025-01-09 19:28:28,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d806e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:28, skipping insertion in model container [2025-01-09 19:28:28,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:28:28" (1/1) ... [2025-01-09 19:28:28,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 19:28:30,487 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2025-01-09 19:28:30,490 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2025-01-09 19:28:30,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:28:30,547 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 19:28:30,683 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"); [5254] [2025-01-09 19:28:30,685 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)); [5261] [2025-01-09 19:28:30,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5268] [2025-01-09 19:28:30,691 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5307-5308] [2025-01-09 19:28:30,691 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"); [5313-5315] [2025-01-09 19:28:30,700 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)); [5512-5513] [2025-01-09 19:28:30,701 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)); [5546-5547] [2025-01-09 19:28:30,702 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" (103), "i" (12UL)); [5583-5584] [2025-01-09 19:28:30,707 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" (115), "i" (12UL)); [5620-5621] [2025-01-09 19:28:30,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7060] [2025-01-09 19:28:30,880 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2025-01-09 19:28:30,881 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2025-01-09 19:28:30,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:28:31,001 INFO L204 MainTranslator]: Completed translation [2025-01-09 19:28:31,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31 WrapperNode [2025-01-09 19:28:31,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 19:28:31,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 19:28:31,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 19:28:31,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 19:28:31,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:31,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:31,208 INFO L138 Inliner]: procedures = 433, calls = 1900, calls flagged for inlining = 216, calls inlined = 200, statements flattened = 4905 [2025-01-09 19:28:31,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 19:28:31,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 19:28:31,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 19:28:31,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 19:28:31,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:31,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:31,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:31,869 INFO L175 MemorySlicer]: Split 918 memory accesses to 16 slices as follows [7, 7, 3, 1, 2, 1, 2, 1, 2, 9, 10, 760, 8, 48, 54, 3]. 83 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [0, 7, 0, 1, 0, 0, 0, 0, 2, 8, 8, 19, 6, 18, 0, 1]. The 418 writes are split as follows [4, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 339, 0, 30, 42, 0]. [2025-01-09 19:28:31,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:31,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:31,983 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:31,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:32,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:32,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:32,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:32,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 19:28:32,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 19:28:32,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 19:28:32,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 19:28:32,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (1/1) ... [2025-01-09 19:28:32,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:28:32,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:28:32,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 19:28:32,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 19:28:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2025-01-09 19:28:32,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2025-01-09 19:28:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2025-01-09 19:28:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2025-01-09 19:28:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2025-01-09 19:28:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2025-01-09 19:28:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-01-09 19:28:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-01-09 19:28:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-01-09 19:28:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-01-09 19:28:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2025-01-09 19:28:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2025-01-09 19:28:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-01-09 19:28:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-01-09 19:28:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 19:28:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 19:28:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-01-09 19:28:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-01-09 19:28:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2025-01-09 19:28:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2025-01-09 19:28:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-01-09 19:28:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-01-09 19:28:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-01-09 19:28:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-01-09 19:28:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2025-01-09 19:28:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2025-01-09 19:28:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2025-01-09 19:28:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2025-01-09 19:28:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-01-09 19:28:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-01-09 19:28:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-01-09 19:28:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-01-09 19:28:32,157 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2025-01-09 19:28:32,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2025-01-09 19:28:32,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2025-01-09 19:28:32,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2025-01-09 19:28:32,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-01-09 19:28:32,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-01-09 19:28:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2025-01-09 19:28:32,157 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2025-01-09 19:28:32,159 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-01-09 19:28:32,159 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-01-09 19:28:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2025-01-09 19:28:32,160 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2025-01-09 19:28:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 19:28:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 19:28:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 19:28:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 19:28:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 19:28:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 19:28:32,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-01-09 19:28:32,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-01-09 19:28:32,161 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2025-01-09 19:28:32,161 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-01-09 19:28:32,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-01-09 19:28:32,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-01-09 19:28:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-01-09 19:28:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-01-09 19:28:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-01-09 19:28:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-01-09 19:28:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-01-09 19:28:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-01-09 19:28:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2025-01-09 19:28:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-01-09 19:28:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-01-09 19:28:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:28:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:28:32,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:28:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2025-01-09 19:28:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2025-01-09 19:28:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2025-01-09 19:28:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2025-01-09 19:28:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2025-01-09 19:28:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2025-01-09 19:28:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-01-09 19:28:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-01-09 19:28:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-01-09 19:28:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-01-09 19:28:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-01-09 19:28:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-01-09 19:28:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-01-09 19:28:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2025-01-09 19:28:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2025-01-09 19:28:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2025-01-09 19:28:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 19:28:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 19:28:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2025-01-09 19:28:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-01-09 19:28:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-01-09 19:28:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2025-01-09 19:28:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2025-01-09 19:28:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-01-09 19:28:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-01-09 19:28:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-01-09 19:28:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-01-09 19:28:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-01-09 19:28:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-01-09 19:28:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-01-09 19:28:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-01-09 19:28:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2025-01-09 19:28:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2025-01-09 19:28:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2025-01-09 19:28:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-01-09 19:28:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 19:28:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-01-09 19:28:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-01-09 19:28:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-01-09 19:28:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2025-01-09 19:28:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-01-09 19:28:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2025-01-09 19:28:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-01-09 19:28:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-01-09 19:28:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2025-01-09 19:28:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2025-01-09 19:28:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2025-01-09 19:28:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2025-01-09 19:28:32,173 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 19:28:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 19:28:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2025-01-09 19:28:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 19:28:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-01-09 19:28:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2025-01-09 19:28:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2025-01-09 19:28:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-01-09 19:28:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-01-09 19:28:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2025-01-09 19:28:32,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2025-01-09 19:28:32,805 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 19:28:32,810 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 19:28:32,943 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 19:28:47,154 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-01-09 19:28:47,782 INFO L? ?]: Removed 2356 outVars from TransFormulas that were not future-live. [2025-01-09 19:28:47,782 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 19:28:47,818 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 19:28:47,818 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 19:28:47,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:28:47 BoogieIcfgContainer [2025-01-09 19:28:47,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 19:28:47,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 19:28:47,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 19:28:47,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 19:28:47,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:28:28" (1/3) ... [2025-01-09 19:28:47,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3497bd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:28:47, skipping insertion in model container [2025-01-09 19:28:47,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:28:31" (2/3) ... [2025-01-09 19:28:47,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3497bd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:28:47, skipping insertion in model container [2025-01-09 19:28:47,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:28:47" (3/3) ... [2025-01-09 19:28:47,828 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2025-01-09 19:28:47,838 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 19:28:47,841 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i that has 100 procedures, 1972 locations, 1 initial locations, 19 loop locations, and 1 error locations. [2025-01-09 19:28:47,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 19:28:47,915 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;@6f2f87b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 19:28:47,916 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 19:28:47,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 1910 states, 1413 states have (on average 1.3375796178343948) internal successors, (1890), 1431 states have internal predecessors, (1890), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (407), 404 states have call predecessors, (407), 407 states have call successors, (407) [2025-01-09 19:28:47,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-01-09 19:28:47,948 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:28:47,949 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:28:47,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:28:47,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:28:47,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1498592637, now seen corresponding path program 1 times [2025-01-09 19:28:47,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:28:47,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111092941] [2025-01-09 19:28:47,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:28:47,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:28:51,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-01-09 19:28:51,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-09 19:28:51,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:28:51,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:28:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2025-01-09 19:28:52,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:28:52,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111092941] [2025-01-09 19:28:52,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111092941] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:28:52,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:28:52,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:28:52,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613090889] [2025-01-09 19:28:52,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:28:52,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:28:52,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:28:52,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:28:52,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:28:52,258 INFO L87 Difference]: Start difference. First operand has 1910 states, 1413 states have (on average 1.3375796178343948) internal successors, (1890), 1431 states have internal predecessors, (1890), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (407), 404 states have call predecessors, (407), 407 states have call successors, (407) Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2025-01-09 19:28:56,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:28:57,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:28:57,065 INFO L93 Difference]: Finished difference Result 5562 states and 8010 transitions. [2025-01-09 19:28:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:28:57,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 170 [2025-01-09 19:28:57,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:28:57,105 INFO L225 Difference]: With dead ends: 5562 [2025-01-09 19:28:57,105 INFO L226 Difference]: Without dead ends: 3596 [2025-01-09 19:28:57,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:28:57,126 INFO L435 NwaCegarLoop]: 3102 mSDtfsCounter, 2566 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2566 SdHoareTripleChecker+Valid, 5705 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-01-09 19:28:57,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2566 Valid, 5705 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-01-09 19:28:57,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2025-01-09 19:28:57,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 3592. [2025-01-09 19:28:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3592 states, 2706 states have (on average 1.327790096082779) internal successors, (3593), 2742 states have internal predecessors, (3593), 726 states have call successors, (726), 161 states have call predecessors, (726), 159 states have return successors, (731), 715 states have call predecessors, (731), 726 states have call successors, (731) [2025-01-09 19:28:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 3592 states and 5050 transitions. [2025-01-09 19:28:57,398 INFO L78 Accepts]: Start accepts. Automaton has 3592 states and 5050 transitions. Word has length 170 [2025-01-09 19:28:57,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:28:57,399 INFO L471 AbstractCegarLoop]: Abstraction has 3592 states and 5050 transitions. [2025-01-09 19:28:57,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2025-01-09 19:28:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3592 states and 5050 transitions. [2025-01-09 19:28:57,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-01-09 19:28:57,416 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:28:57,416 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:28:57,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 19:28:57,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:28:57,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:28:57,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1324280981, now seen corresponding path program 1 times [2025-01-09 19:28:57,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:28:57,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973822330] [2025-01-09 19:28:57,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:28:57,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:29:00,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-01-09 19:29:00,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-01-09 19:29:00,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:29:00,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:29:00,749 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2025-01-09 19:29:00,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:29:00,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973822330] [2025-01-09 19:29:00,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973822330] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:29:00,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:29:00,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:29:00,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366010488] [2025-01-09 19:29:00,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:29:00,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:29:00,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:29:00,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:29:00,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:29:00,754 INFO L87 Difference]: Start difference. First operand 3592 states and 5050 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-01-09 19:29:04,788 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 [] [2025-01-09 19:29:06,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:29:06,145 INFO L93 Difference]: Finished difference Result 9460 states and 13299 transitions. [2025-01-09 19:29:06,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:29:06,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 178 [2025-01-09 19:29:06,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:29:06,182 INFO L225 Difference]: With dead ends: 9460 [2025-01-09 19:29:06,182 INFO L226 Difference]: Without dead ends: 5891 [2025-01-09 19:29:06,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:29:06,200 INFO L435 NwaCegarLoop]: 2631 mSDtfsCounter, 1789 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 5191 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:29:06,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 5191 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2025-01-09 19:29:06,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2025-01-09 19:29:06,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 5887. [2025-01-09 19:29:06,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5887 states, 4460 states have (on average 1.3280269058295964) internal successors, (5923), 4515 states have internal predecessors, (5923), 1159 states have call successors, (1159), 269 states have call predecessors, (1159), 267 states have return successors, (1164), 1145 states have call predecessors, (1164), 1159 states have call successors, (1164) [2025-01-09 19:29:06,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5887 states to 5887 states and 8246 transitions. [2025-01-09 19:29:06,477 INFO L78 Accepts]: Start accepts. Automaton has 5887 states and 8246 transitions. Word has length 178 [2025-01-09 19:29:06,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:29:06,478 INFO L471 AbstractCegarLoop]: Abstraction has 5887 states and 8246 transitions. [2025-01-09 19:29:06,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-01-09 19:29:06,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5887 states and 8246 transitions. [2025-01-09 19:29:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-01-09 19:29:06,486 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:29:06,486 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:29:06,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 19:29:06,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:29:06,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:29:06,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1463357538, now seen corresponding path program 1 times [2025-01-09 19:29:06,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:29:06,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410825691] [2025-01-09 19:29:06,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:29:06,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:29:09,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-01-09 19:29:09,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-01-09 19:29:09,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:29:09,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:29:10,044 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2025-01-09 19:29:10,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:29:10,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410825691] [2025-01-09 19:29:10,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410825691] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:29:10,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:29:10,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:29:10,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783196024] [2025-01-09 19:29:10,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:29:10,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:29:10,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:29:10,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:29:10,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:29:10,046 INFO L87 Difference]: Start difference. First operand 5887 states and 8246 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 19:29:14,080 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 [] [2025-01-09 19:29:14,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:29:14,804 INFO L93 Difference]: Finished difference Result 17585 states and 24640 transitions. [2025-01-09 19:29:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:29:14,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 193 [2025-01-09 19:29:14,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:29:14,874 INFO L225 Difference]: With dead ends: 17585 [2025-01-09 19:29:14,874 INFO L226 Difference]: Without dead ends: 11721 [2025-01-09 19:29:14,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:29:14,902 INFO L435 NwaCegarLoop]: 3118 mSDtfsCounter, 2561 mSDsluCounter, 2600 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 5718 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-01-09 19:29:14,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 5718 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-01-09 19:29:14,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11721 states. [2025-01-09 19:29:15,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11721 to 11711. [2025-01-09 19:29:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11711 states, 8871 states have (on average 1.3284860782324428) internal successors, (11785), 8987 states have internal predecessors, (11785), 2305 states have call successors, (2305), 538 states have call predecessors, (2305), 534 states have return successors, (2315), 2271 states have call predecessors, (2315), 2305 states have call successors, (2315) [2025-01-09 19:29:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11711 states to 11711 states and 16405 transitions. [2025-01-09 19:29:15,301 INFO L78 Accepts]: Start accepts. Automaton has 11711 states and 16405 transitions. Word has length 193 [2025-01-09 19:29:15,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:29:15,301 INFO L471 AbstractCegarLoop]: Abstraction has 11711 states and 16405 transitions. [2025-01-09 19:29:15,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2025-01-09 19:29:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 11711 states and 16405 transitions. [2025-01-09 19:29:15,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-01-09 19:29:15,310 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:29:15,310 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:29:15,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 19:29:15,310 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:29:15,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:29:15,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1702299787, now seen corresponding path program 1 times [2025-01-09 19:29:15,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:29:15,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365842671] [2025-01-09 19:29:15,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:29:15,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:29:18,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-01-09 19:29:18,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-01-09 19:29:18,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:29:18,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:29:18,792 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2025-01-09 19:29:18,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:29:18,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365842671] [2025-01-09 19:29:18,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365842671] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:29:18,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:29:18,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:29:18,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038000923] [2025-01-09 19:29:18,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:29:18,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:29:18,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:29:18,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:29:18,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:29:18,798 INFO L87 Difference]: Start difference. First operand 11711 states and 16405 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 19:29:22,831 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 [] [2025-01-09 19:29:23,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:29:23,736 INFO L93 Difference]: Finished difference Result 32393 states and 45103 transitions. [2025-01-09 19:29:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:29:23,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 196 [2025-01-09 19:29:23,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:29:23,849 INFO L225 Difference]: With dead ends: 32393 [2025-01-09 19:29:23,849 INFO L226 Difference]: Without dead ends: 20705 [2025-01-09 19:29:24,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:29:24,008 INFO L435 NwaCegarLoop]: 2749 mSDtfsCounter, 2082 mSDsluCounter, 2543 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2082 SdHoareTripleChecker+Valid, 5292 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-09 19:29:24,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2082 Valid, 5292 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-01-09 19:29:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20705 states. [2025-01-09 19:29:24,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20705 to 20697. [2025-01-09 19:29:24,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20697 states, 15523 states have (on average 1.31153771822457) internal successors, (20359), 15729 states have internal predecessors, (20359), 4143 states have call successors, (4143), 1040 states have call predecessors, (4143), 1030 states have return successors, (4189), 4065 states have call predecessors, (4189), 4143 states have call successors, (4189) [2025-01-09 19:29:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20697 states to 20697 states and 28691 transitions. [2025-01-09 19:29:24,598 INFO L78 Accepts]: Start accepts. Automaton has 20697 states and 28691 transitions. Word has length 196 [2025-01-09 19:29:24,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:29:24,599 INFO L471 AbstractCegarLoop]: Abstraction has 20697 states and 28691 transitions. [2025-01-09 19:29:24,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 19:29:24,599 INFO L276 IsEmpty]: Start isEmpty. Operand 20697 states and 28691 transitions. [2025-01-09 19:29:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2025-01-09 19:29:24,608 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:29:24,609 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:29:24,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 19:29:24,609 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:29:24,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:29:24,610 INFO L85 PathProgramCache]: Analyzing trace with hash -2060999437, now seen corresponding path program 1 times [2025-01-09 19:29:24,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:29:24,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073268226] [2025-01-09 19:29:24,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:29:24,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:29:28,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-01-09 19:29:28,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-01-09 19:29:28,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:29:28,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:29:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2025-01-09 19:29:28,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:29:28,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073268226] [2025-01-09 19:29:28,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073268226] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:29:28,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:29:28,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:29:28,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267688277] [2025-01-09 19:29:28,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:29:28,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:29:28,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:29:28,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:29:28,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:29:28,390 INFO L87 Difference]: Start difference. First operand 20697 states and 28691 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 19:29:32,426 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 [] [2025-01-09 19:29:33,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:29:33,446 INFO L93 Difference]: Finished difference Result 42206 states and 58329 transitions. [2025-01-09 19:29:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:29:33,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2025-01-09 19:29:33,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:29:33,548 INFO L225 Difference]: With dead ends: 42206 [2025-01-09 19:29:33,548 INFO L226 Difference]: Without dead ends: 21532 [2025-01-09 19:29:33,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:29:33,614 INFO L435 NwaCegarLoop]: 2833 mSDtfsCounter, 862 mSDsluCounter, 2563 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-01-09 19:29:33,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 5396 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-01-09 19:29:33,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21532 states. [2025-01-09 19:29:34,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21532 to 21530. [2025-01-09 19:29:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21530 states, 16129 states have (on average 1.306528613057226) internal successors, (21073), 16339 states have internal predecessors, (21073), 4273 states have call successors, (4273), 1137 states have call predecessors, (4273), 1127 states have return successors, (4319), 4195 states have call predecessors, (4319), 4273 states have call successors, (4319) [2025-01-09 19:29:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21530 states to 21530 states and 29665 transitions. [2025-01-09 19:29:34,195 INFO L78 Accepts]: Start accepts. Automaton has 21530 states and 29665 transitions. Word has length 213 [2025-01-09 19:29:34,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:29:34,195 INFO L471 AbstractCegarLoop]: Abstraction has 21530 states and 29665 transitions. [2025-01-09 19:29:34,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-01-09 19:29:34,196 INFO L276 IsEmpty]: Start isEmpty. Operand 21530 states and 29665 transitions. [2025-01-09 19:29:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2025-01-09 19:29:34,210 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:29:34,210 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:29:34,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 19:29:34,210 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:29:34,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:29:34,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2049568653, now seen corresponding path program 1 times [2025-01-09 19:29:34,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:29:34,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313204254] [2025-01-09 19:29:34,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:29:34,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:29:37,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-01-09 19:29:37,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-01-09 19:29:37,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:29:37,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:29:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-01-09 19:29:37,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:29:37,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313204254] [2025-01-09 19:29:37,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313204254] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:29:37,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:29:37,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:29:37,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503734925] [2025-01-09 19:29:37,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:29:37,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:29:37,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:29:37,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:29:37,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:29:37,798 INFO L87 Difference]: Start difference. First operand 21530 states and 29665 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2025-01-09 19:29:41,832 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 [] [2025-01-09 19:29:43,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:29:43,750 INFO L93 Difference]: Finished difference Result 58488 states and 80882 transitions. [2025-01-09 19:29:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:29:43,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 261 [2025-01-09 19:29:43,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:29:43,925 INFO L225 Difference]: With dead ends: 58488 [2025-01-09 19:29:43,926 INFO L226 Difference]: Without dead ends: 36981 [2025-01-09 19:29:44,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:29:44,004 INFO L435 NwaCegarLoop]: 2629 mSDtfsCounter, 2286 mSDsluCounter, 2539 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2286 SdHoareTripleChecker+Valid, 5168 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-01-09 19:29:44,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2286 Valid, 5168 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2025-01-09 19:29:44,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36981 states. [2025-01-09 19:29:44,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36981 to 36969. [2025-01-09 19:29:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36969 states, 27668 states have (on average 1.3155631053925112) internal successors, (36399), 28052 states have internal predecessors, (36399), 7328 states have call successors, (7328), 1992 states have call predecessors, (7328), 1972 states have return successors, (7426), 7162 states have call predecessors, (7426), 7328 states have call successors, (7426) [2025-01-09 19:29:45,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36969 states to 36969 states and 51153 transitions. [2025-01-09 19:29:45,132 INFO L78 Accepts]: Start accepts. Automaton has 36969 states and 51153 transitions. Word has length 261 [2025-01-09 19:29:45,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:29:45,133 INFO L471 AbstractCegarLoop]: Abstraction has 36969 states and 51153 transitions. [2025-01-09 19:29:45,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2025-01-09 19:29:45,133 INFO L276 IsEmpty]: Start isEmpty. Operand 36969 states and 51153 transitions. [2025-01-09 19:29:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2025-01-09 19:29:45,141 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:29:45,141 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 9, 9, 9, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:29:45,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 19:29:45,142 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:29:45,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:29:45,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2108601574, now seen corresponding path program 1 times [2025-01-09 19:29:45,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:29:45,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209685452] [2025-01-09 19:29:45,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:29:45,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:29:48,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-01-09 19:29:48,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-01-09 19:29:48,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:29:48,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:29:48,582 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2025-01-09 19:29:48,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:29:48,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209685452] [2025-01-09 19:29:48,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209685452] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:29:48,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:29:48,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:29:48,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628526198] [2025-01-09 19:29:48,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:29:48,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:29:48,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:29:48,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:29:48,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:29:48,584 INFO L87 Difference]: Start difference. First operand 36969 states and 51153 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2025-01-09 19:29:52,617 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 []