./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983ce5e5a67d7f1a953a7dc1806bc74e6e7b7100ad78daf1e74f2f1bd8e39c48 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 19:50:47,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:50:47,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:50:47,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:50:47,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:50:47,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:50:47,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:50:47,918 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:50:47,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:50:47,918 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:50:47,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:50:47,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:50:47,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:50:47,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:50:47,920 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:50:47,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:50:47,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:50:47,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:50:47,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:50:47,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:50:47,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:50:47,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:50:47,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:50:47,921 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:50:47,921 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:50:47,921 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:50:47,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:50:47,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:50:47,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:50:47,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:50:47,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:50:47,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:50:47,922 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:50:47,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:50:47,922 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:50:47,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:50:47,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:50:47,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:50:47,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:50:47,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:50:47,923 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983ce5e5a67d7f1a953a7dc1806bc74e6e7b7100ad78daf1e74f2f1bd8e39c48 [2025-03-08 19:50:48,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:50:48,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:50:48,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:50:48,187 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:50:48,188 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:50:48,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2025-03-08 19:50:49,348 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3a106f6/7781091358e54c229758ffc2588a8050/FLAGce7198283 [2025-03-08 19:50:49,767 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:50:49,768 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2025-03-08 19:50:49,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3a106f6/7781091358e54c229758ffc2588a8050/FLAGce7198283 [2025-03-08 19:50:49,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3a106f6/7781091358e54c229758ffc2588a8050 [2025-03-08 19:50:49,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:50:49,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:50:49,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:50:49,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:50:49,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:50:49,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:50:49" (1/1) ... [2025-03-08 19:50:49,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cee2442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:49, skipping insertion in model container [2025-03-08 19:50:49,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:50:49" (1/1) ... [2025-03-08 19:50:49,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:50:50,917 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i[239406,239419] [2025-03-08 19:50:50,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:50:51,030 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:50:51,122 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"); [5698] [2025-03-08 19:50:51,124 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)); [5705] [2025-03-08 19:50:51,130 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [5838-5839] [2025-03-08 19:50:51,133 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5844-5846] [2025-03-08 19:50:51,134 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (836), "i" (12UL)); [5868-5869] [2025-03-08 19:50:51,134 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.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5874-5876] [2025-03-08 19:50:51,134 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (841), "i" (12UL)); [5897-5898] [2025-03-08 19:50:51,134 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5903-5905] [2025-03-08 19:50:51,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5969] [2025-03-08 19:50:51,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5977] [2025-03-08 19:50:51,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5984] [2025-03-08 19:50:51,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5992] [2025-03-08 19:50:51,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [6000] [2025-03-08 19:50:51,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsl": "+S" (addr), "+c" (count): "d" (port)); [6007] [2025-03-08 19:50:51,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insl": "+D" (addr), "+c" (count): "d" (port)); [6014] [2025-03-08 19:50:51,221 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i[239406,239419] [2025-03-08 19:50:51,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:50:51,332 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:50:51,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51 WrapperNode [2025-03-08 19:50:51,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:50:51,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:50:51,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:50:51,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:50:51,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,488 INFO L138 Inliner]: procedures = 178, calls = 1239, calls flagged for inlining = 86, calls inlined = 83, statements flattened = 2947 [2025-03-08 19:50:51,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:50:51,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:50:51,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:50:51,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:50:51,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,525 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,652 INFO L175 MemorySlicer]: Split 680 memory accesses to 20 slices as follows [2, 35, 4, 410, 5, 25, 16, 6, 3, 8, 4, 70, 6, 21, 5, 1, 3, 48, 4, 4]. 60 percent of accesses are in the largest equivalence class. The 103 initializations are split as follows [2, 0, 4, 5, 5, 25, 16, 6, 3, 8, 0, 0, 4, 21, 0, 0, 0, 0, 0, 4]. The 438 writes are split as follows [0, 30, 0, 294, 0, 0, 0, 0, 0, 0, 2, 60, 0, 0, 4, 0, 0, 48, 0, 0]. [2025-03-08 19:50:51,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,715 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:50:51,782 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:50:51,782 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:50:51,782 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:50:51,784 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (1/1) ... [2025-03-08 19:50:51,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:50:51,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:50:51,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 19:50:51,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 19:50:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure el3_config [2025-03-08 19:50:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_config [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 19:50:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 19:50:51,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 19:50:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 19:50:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2025-03-08 19:50:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2025-03-08 19:50:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-08 19:50:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-03-08 19:50:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 19:50:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-03-08 19:50:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2025-03-08 19:50:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 19:50:51,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:50:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2025-03-08 19:50:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:50:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2025-03-08 19:50:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 19:50:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-03-08 19:50:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 19:50:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-08 19:50:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_reset [2025-03-08 19:50:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_reset [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2025-03-08 19:50:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_present [2025-03-08 19:50:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_present [2025-03-08 19:50:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2025-03-08 19:50:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2025-03-08 19:50:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure el3_rx [2025-03-08 19:50:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_rx [2025-03-08 19:50:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2025-03-08 19:50:51,839 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2025-03-08 19:50:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:50:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:50:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:50:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:50:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:50:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:50:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:50:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:50:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:50:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:50:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 19:50:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 19:50:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 19:50:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 19:50:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 19:50:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 19:50:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 19:50:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 19:50:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 19:50:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 19:50:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-03-08 19:50:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-03-08 19:50:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-03-08 19:50:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-03-08 19:50:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_set_xcvr [2025-03-08 19:50:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_set_xcvr [2025-03-08 19:50:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_release [2025-03-08 19:50:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_release [2025-03-08 19:50:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2025-03-08 19:50:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-03-08 19:50:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-03-08 19:50:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure el3_get_stats [2025-03-08 19:50:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_get_stats [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-08 19:50:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_detach [2025-03-08 19:50:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_detach [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_wait_for_completion [2025-03-08 19:50:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_wait_for_completion [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 19:50:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure pop_tx_status [2025-03-08 19:50:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pop_tx_status [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:50:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:50:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:50:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:50:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 19:50:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 19:50:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 19:50:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 19:50:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 19:50:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 19:50:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 19:50:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 19:50:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 19:50:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 19:50:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2025-03-08 19:50:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2025-03-08 19:50:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:50:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:50:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure el3_tx_timeout [2025-03-08 19:50:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_tx_timeout [2025-03-08 19:50:52,368 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:50:52,371 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:50:52,434 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 19:50:52,469 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5712: havoc constant_test_bit_#t~mem1#1;havoc constant_test_bit_#t~bitwise2#1; [2025-03-08 19:50:53,122 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5921: havoc arch_irqs_disabled_flags_#t~bitwise37#1; [2025-03-08 19:50:53,122 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6798: call ULTIMATE.dealloc(el3_interrupt_~#descriptor~6#1.base, el3_interrupt_~#descriptor~6#1.offset);havoc el3_interrupt_~#descriptor~6#1.base, el3_interrupt_~#descriptor~6#1.offset;call ULTIMATE.dealloc(el3_interrupt_~#descriptor___0~0#1.base, el3_interrupt_~#descriptor___0~0#1.offset);havoc el3_interrupt_~#descriptor___0~0#1.base, el3_interrupt_~#descriptor___0~0#1.offset;call ULTIMATE.dealloc(el3_interrupt_~#descriptor___1~0#1.base, el3_interrupt_~#descriptor___1~0#1.offset);havoc el3_interrupt_~#descriptor___1~0#1.base, el3_interrupt_~#descriptor___1~0#1.offset;call ULTIMATE.dealloc(el3_interrupt_~#descriptor___2~0#1.base, el3_interrupt_~#descriptor___2~0#1.offset);havoc el3_interrupt_~#descriptor___2~0#1.base, el3_interrupt_~#descriptor___2~0#1.offset; [2025-03-08 19:50:53,129 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8288: havoc #t~ret453.base, #t~ret453.offset; [2025-03-08 19:50:53,316 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8282: havoc netif_rx_#t~nondet452#1; [2025-03-08 19:50:53,316 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7139: call ULTIMATE.dealloc(~#descriptor~8#1.base, ~#descriptor~8#1.offset);havoc ~#descriptor~8#1.base, ~#descriptor~8#1.offset;call ULTIMATE.dealloc(~#descriptor___0~1#1.base, ~#descriptor___0~1#1.offset);havoc ~#descriptor___0~1#1.base, ~#descriptor___0~1#1.offset;call ULTIMATE.dealloc(~#descriptor___1~1#1.base, ~#descriptor___1~1#1.offset);havoc ~#descriptor___1~1#1.base, ~#descriptor___1~1#1.offset; [2025-03-08 19:50:53,316 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8235: havoc eth_type_trans_#t~nondet446#1; [2025-03-08 19:50:53,320 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8231: havoc #t~nondet445; [2025-03-08 19:50:53,325 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8327: havoc #t~nondet463; [2025-03-08 19:50:53,333 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8239: havoc #t~nondet447; [2025-03-08 19:50:53,370 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5718: havoc #t~bitwise3; [2025-03-08 19:50:53,374 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8227: havoc #t~nondet444; [2025-03-08 19:50:53,380 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6086: havoc #t~mem60.base, #t~mem60.offset; [2025-03-08 19:50:53,442 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6698: call ULTIMATE.dealloc(~#descriptor~4.base, ~#descriptor~4.offset);havoc ~#descriptor~4.base, ~#descriptor~4.offset; [2025-03-08 19:50:53,596 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6243: call ULTIMATE.dealloc(~#descriptor~1#1.base, ~#descriptor~1#1.offset);havoc ~#descriptor~1#1.base, ~#descriptor~1#1.offset; [2025-03-08 19:50:53,651 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7089: call ULTIMATE.dealloc(~#descriptor~7.base, ~#descriptor~7.offset);havoc ~#descriptor~7.base, ~#descriptor~7.offset; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8295: havoc pcmcia_enable_device_#t~nondet454#1; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6644: call ULTIMATE.dealloc(el3_open_~#descriptor~3#1.base, el3_open_~#descriptor~3#1.offset);havoc el3_open_~#descriptor~3#1.base, el3_open_~#descriptor~3#1.offset; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8263: havoc mod_timer_#t~nondet451#1; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8299: havoc pcmcia_get_tuple_#t~nondet455#1; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6749: call ULTIMATE.dealloc(el3_start_xmit_~#descriptor~5#1.base, el3_start_xmit_~#descriptor~5#1.offset);havoc el3_start_xmit_~#descriptor~5#1.base, el3_start_xmit_~#descriptor~5#1.offset; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8303: havoc pcmcia_register_driver_#t~nondet456#1; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8307: havoc pcmcia_request_io_#t~nondet457#1; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8311: havoc pcmcia_request_irq_#t~nondet458#1; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7288: call ULTIMATE.dealloc(el3_close_~#descriptor~9#1.base, el3_close_~#descriptor~9#1.offset);havoc el3_close_~#descriptor~9#1.base, el3_close_~#descriptor~9#1.offset; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8213: havoc alloc_etherdev_mqs_#t~ret442#1.base, alloc_etherdev_mqs_#t~ret442#1.offset; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6200: call ULTIMATE.dealloc(tc589_probe_~#descriptor~0#1.base, tc589_probe_~#descriptor~0#1.offset);havoc tc589_probe_~#descriptor~0#1.base, tc589_probe_~#descriptor~0#1.offset;call ULTIMATE.dealloc(tc589_probe_~#__key~0#1.base, tc589_probe_~#__key~0#1.offset);havoc tc589_probe_~#__key~0#1.base, tc589_probe_~#__key~0#1.offset; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8318: havoc register_netdev_#t~nondet459#1; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8252: havoc ldv_ndo_init_4_#t~nondet448#1; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8220: havoc del_timer_sync_#t~nondet443#1; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6274: call ULTIMATE.dealloc(tc589_config_~#ram_split~0#1.base, tc589_config_~#ram_split~0#1.offset);havoc tc589_config_~#ram_split~0#1.base, tc589_config_~#ram_split~0#1.offset;call ULTIMATE.dealloc(tc589_config_~#buf~0#1.base, tc589_config_~#buf~0#1.offset);havoc tc589_config_~#buf~0#1.base, tc589_config_~#buf~0#1.offset;call ULTIMATE.dealloc(tc589_config_~#descriptor~2#1.base, tc589_config_~#descriptor~2#1.offset);havoc tc589_config_~#descriptor~2#1.base, tc589_config_~#descriptor~2#1.offset; [2025-03-08 19:51:01,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8256: havoc ldv_ndo_uninit_4_#t~nondet449#1; [2025-03-08 19:51:01,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7599: call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2025-03-08 19:51:01,779 INFO L? ?]: Removed 959 outVars from TransFormulas that were not future-live. [2025-03-08 19:51:01,779 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:51:01,838 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:51:01,842 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 19:51:01,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:51:01 BoogieIcfgContainer [2025-03-08 19:51:01,842 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:51:01,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:51:01,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:51:01,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:51:01,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:50:49" (1/3) ... [2025-03-08 19:51:01,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774b4eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:51:01, skipping insertion in model container [2025-03-08 19:51:01,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:50:51" (2/3) ... [2025-03-08 19:51:01,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774b4eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:51:01, skipping insertion in model container [2025-03-08 19:51:01,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:51:01" (3/3) ... [2025-03-08 19:51:01,851 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2025-03-08 19:51:01,865 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:51:01,868 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i that has 51 procedures, 1078 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-08 19:51:01,940 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:51:01,948 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;@6605af4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:51:01,950 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:51:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 1077 states, 757 states have (on average 1.40554821664465) internal successors, (1064), 816 states have internal predecessors, (1064), 269 states have call successors, (269), 50 states have call predecessors, (269), 49 states have return successors, (263), 251 states have call predecessors, (263), 263 states have call successors, (263) [2025-03-08 19:51:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2025-03-08 19:51:01,998 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:51:01,999 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:51:01,999 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:51:02,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:51:02,005 INFO L85 PathProgramCache]: Analyzing trace with hash -442462283, now seen corresponding path program 1 times [2025-03-08 19:51:02,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:51:02,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808013914] [2025-03-08 19:51:02,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:51:02,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:51:07,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-03-08 19:51:08,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-03-08 19:51:08,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:51:08,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:51:08,694 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-03-08 19:51:08,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:51:08,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808013914] [2025-03-08 19:51:08,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808013914] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:51:08,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465599236] [2025-03-08 19:51:08,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:51:08,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:51:08,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:51:08,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 19:51:08,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 19:51:14,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-03-08 19:51:15,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-03-08 19:51:15,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:51:15,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:51:15,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 4641 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 19:51:15,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:51:15,089 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2025-03-08 19:51:15,089 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:51:15,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465599236] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:51:15,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:51:15,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 19:51:15,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676706397] [2025-03-08 19:51:15,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:51:15,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 19:51:15,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:51:15,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 19:51:15,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 19:51:15,114 INFO L87 Difference]: Start difference. First operand has 1077 states, 757 states have (on average 1.40554821664465) internal successors, (1064), 816 states have internal predecessors, (1064), 269 states have call successors, (269), 50 states have call predecessors, (269), 49 states have return successors, (263), 251 states have call predecessors, (263), 263 states have call successors, (263) Second operand has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 19:51:15,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:51:15,608 INFO L93 Difference]: Finished difference Result 2149 states and 3220 transitions. [2025-03-08 19:51:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 19:51:15,612 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 208 [2025-03-08 19:51:15,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:51:15,627 INFO L225 Difference]: With dead ends: 2149 [2025-03-08 19:51:15,627 INFO L226 Difference]: Without dead ends: 1058 [2025-03-08 19:51:15,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 19:51:15,638 INFO L435 NwaCegarLoop]: 1542 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 19:51:15,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1542 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 19:51:15,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2025-03-08 19:51:15,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1058. [2025-03-08 19:51:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 746 states have (on average 1.3873994638069704) internal successors, (1035), 797 states have internal predecessors, (1035), 263 states have call successors, (263), 49 states have call predecessors, (263), 48 states have return successors, (262), 250 states have call predecessors, (262), 262 states have call successors, (262) [2025-03-08 19:51:15,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1560 transitions. [2025-03-08 19:51:15,771 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1560 transitions. Word has length 208 [2025-03-08 19:51:15,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:51:15,772 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1560 transitions. [2025-03-08 19:51:15,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2025-03-08 19:51:15,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1560 transitions. [2025-03-08 19:51:15,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2025-03-08 19:51:15,784 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:51:15,784 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:51:15,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 19:51:15,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 19:51:15,985 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:51:15,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:51:15,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1731717447, now seen corresponding path program 1 times [2025-03-08 19:51:15,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:51:15,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688142468] [2025-03-08 19:51:15,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:51:15,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:51:21,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 207 statements into 1 equivalence classes. [2025-03-08 19:51:21,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 207 of 207 statements. [2025-03-08 19:51:21,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:51:21,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:51:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-03-08 19:51:22,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:51:22,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688142468] [2025-03-08 19:51:22,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688142468] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:51:22,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:51:22,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:51:22,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595007286] [2025-03-08 19:51:22,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:51:22,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:51:22,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:51:22,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:51:22,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:51:22,443 INFO L87 Difference]: Start difference. First operand 1058 states and 1560 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 19:51:26,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 19:51:41,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:51:41,172 INFO L93 Difference]: Finished difference Result 5209 states and 7694 transitions. [2025-03-08 19:51:41,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 19:51:41,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 207 [2025-03-08 19:51:41,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:51:41,196 INFO L225 Difference]: With dead ends: 5209 [2025-03-08 19:51:41,196 INFO L226 Difference]: Without dead ends: 4168 [2025-03-08 19:51:41,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:51:41,203 INFO L435 NwaCegarLoop]: 1545 mSDtfsCounter, 5586 mSDsluCounter, 4181 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 517 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5586 SdHoareTripleChecker+Valid, 5726 SdHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2025-03-08 19:51:41,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5586 Valid, 5726 Invalid, 1773 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [517 Valid, 1255 Invalid, 1 Unknown, 0 Unchecked, 18.3s Time] [2025-03-08 19:51:41,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4168 states. [2025-03-08 19:51:41,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4168 to 4155. [2025-03-08 19:51:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4155 states, 2935 states have (on average 1.3880749574105622) internal successors, (4074), 3133 states have internal predecessors, (4074), 1029 states have call successors, (1029), 192 states have call predecessors, (1029), 190 states have return successors, (1030), 981 states have call predecessors, (1030), 1028 states have call successors, (1030) [2025-03-08 19:51:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 4155 states and 6133 transitions. [2025-03-08 19:51:41,408 INFO L78 Accepts]: Start accepts. Automaton has 4155 states and 6133 transitions. Word has length 207 [2025-03-08 19:51:41,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:51:41,409 INFO L471 AbstractCegarLoop]: Abstraction has 4155 states and 6133 transitions. [2025-03-08 19:51:41,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 19:51:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4155 states and 6133 transitions. [2025-03-08 19:51:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2025-03-08 19:51:41,416 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:51:41,416 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:51:41,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:51:41,416 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:51:41,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:51:41,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1013030598, now seen corresponding path program 1 times [2025-03-08 19:51:41,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:51:41,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15759363] [2025-03-08 19:51:41,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:51:41,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:51:46,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-03-08 19:51:46,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-03-08 19:51:46,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:51:46,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:51:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-03-08 19:51:47,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:51:47,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15759363] [2025-03-08 19:51:47,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15759363] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:51:47,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:51:47,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:51:47,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475329506] [2025-03-08 19:51:47,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:51:47,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:51:47,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:51:47,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:51:47,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:51:47,705 INFO L87 Difference]: Start difference. First operand 4155 states and 6133 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 19:51:51,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 19:52:08,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:52:08,791 INFO L93 Difference]: Finished difference Result 20683 states and 30547 transitions. [2025-03-08 19:52:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 19:52:08,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 208 [2025-03-08 19:52:08,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:52:08,899 INFO L225 Difference]: With dead ends: 20683 [2025-03-08 19:52:08,899 INFO L226 Difference]: Without dead ends: 16545 [2025-03-08 19:52:08,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:52:08,936 INFO L435 NwaCegarLoop]: 1527 mSDtfsCounter, 6617 mSDsluCounter, 3424 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 1045 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6617 SdHoareTripleChecker+Valid, 4951 SdHoareTripleChecker+Invalid, 2291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1045 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2025-03-08 19:52:08,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6617 Valid, 4951 Invalid, 2291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1045 Valid, 1245 Invalid, 1 Unknown, 0 Unchecked, 20.5s Time] [2025-03-08 19:52:08,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16545 states. [2025-03-08 19:52:09,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16545 to 16534. [2025-03-08 19:52:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16534 states, 11689 states have (on average 1.3865172384292925) internal successors, (16207), 12467 states have internal predecessors, (16207), 4086 states have call successors, (4086), 765 states have call predecessors, (4086), 758 states have return successors, (4101), 3905 states have call predecessors, (4101), 4085 states have call successors, (4101) [2025-03-08 19:52:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16534 states to 16534 states and 24394 transitions. [2025-03-08 19:52:09,641 INFO L78 Accepts]: Start accepts. Automaton has 16534 states and 24394 transitions. Word has length 208 [2025-03-08 19:52:09,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:52:09,643 INFO L471 AbstractCegarLoop]: Abstraction has 16534 states and 24394 transitions. [2025-03-08 19:52:09,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 19:52:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 16534 states and 24394 transitions. [2025-03-08 19:52:09,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-03-08 19:52:09,650 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:52:09,650 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:52:09,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:52:09,651 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:52:09,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:52:09,652 INFO L85 PathProgramCache]: Analyzing trace with hash 592676885, now seen corresponding path program 1 times [2025-03-08 19:52:09,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:52:09,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028895610] [2025-03-08 19:52:09,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:52:09,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:52:15,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-03-08 19:52:15,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-03-08 19:52:15,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:52:15,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:52:16,376 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-03-08 19:52:16,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:52:16,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028895610] [2025-03-08 19:52:16,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028895610] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:52:16,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:52:16,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:52:16,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232600080] [2025-03-08 19:52:16,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:52:16,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:52:16,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:52:16,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:52:16,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:52:16,378 INFO L87 Difference]: Start difference. First operand 16534 states and 24394 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)