./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983ce5e5a67d7f1a953a7dc1806bc74e6e7b7100ad78daf1e74f2f1bd8e39c48 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 19:11:21,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 19:11:21,145 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 19:11:21,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 19:11:21,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 19:11:21,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 19:11:21,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 19:11:21,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 19:11:21,176 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 19:11:21,177 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 19:11:21,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 19:11:21,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 19:11:21,178 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 19:11:21,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 19:11:21,178 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 19:11:21,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 19:11:21,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 19:11:21,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 19:11:21,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 19:11:21,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 19:11:21,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 19:11:21,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 19:11:21,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 19:11:21,179 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 19:11:21,179 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 19:11:21,179 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 19:11:21,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:11:21,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:11:21,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:11:21,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:11:21,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 19:11:21,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:11:21,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:11:21,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:11:21,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:11:21,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 19:11:21,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 19:11:21,181 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 19:11:21,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 19:11:21,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 19:11:21,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 19:11:21,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 19:11:21,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 19:11:21,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 19:11:21,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 19:11:21,181 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983ce5e5a67d7f1a953a7dc1806bc74e6e7b7100ad78daf1e74f2f1bd8e39c48 [2025-01-09 19:11:21,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 19:11:21,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 19:11:21,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 19:11:21,414 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 19:11:21,414 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 19:11:21,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2025-01-09 19:11:22,549 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8d8eb12a9/d3d00ce695fb44a5bcc0944f97960988/FLAGef04329c4 [2025-01-09 19:11:23,104 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 19:11:23,106 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2025-01-09 19:11:23,149 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8d8eb12a9/d3d00ce695fb44a5bcc0944f97960988/FLAGef04329c4 [2025-01-09 19:11:23,630 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8d8eb12a9/d3d00ce695fb44a5bcc0944f97960988 [2025-01-09 19:11:23,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 19:11:23,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 19:11:23,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 19:11:23,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 19:11:23,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 19:11:23,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:11:23" (1/1) ... [2025-01-09 19:11:23,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b13f58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:23, skipping insertion in model container [2025-01-09 19:11:23,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:11:23" (1/1) ... [2025-01-09 19:11:23,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 19:11:24,776 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-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] [2025-01-09 19:11:24,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:11:24,830 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 19:11:24,908 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] [2025-01-09 19:11:24,909 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] [2025-01-09 19:11:24,913 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] [2025-01-09 19:11:24,914 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] [2025-01-09 19:11:24,914 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] [2025-01-09 19:11:24,914 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] [2025-01-09 19:11:24,915 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] [2025-01-09 19:11:24,915 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] [2025-01-09 19:11:24,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5969] [2025-01-09 19:11:24,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5977] [2025-01-09 19:11:24,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5984] [2025-01-09 19:11:24,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5992] [2025-01-09 19:11:24,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [6000] [2025-01-09 19:11:24,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsl": "+S" (addr), "+c" (count): "d" (port)); [6007] [2025-01-09 19:11:24,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insl": "+D" (addr), "+c" (count): "d" (port)); [6014] [2025-01-09 19:11:25,030 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-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] [2025-01-09 19:11:25,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:11:25,138 INFO L204 MainTranslator]: Completed translation [2025-01-09 19:11:25,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25 WrapperNode [2025-01-09 19:11:25,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 19:11:25,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 19:11:25,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 19:11:25,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 19:11:25,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,260 INFO L138 Inliner]: procedures = 178, calls = 1239, calls flagged for inlining = 86, calls inlined = 83, statements flattened = 2947 [2025-01-09 19:11:25,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 19:11:25,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 19:11:25,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 19:11:25,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 19:11:25,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,396 INFO L175 MemorySlicer]: Split 680 memory accesses to 20 slices as follows [2, 4, 70, 1, 25, 4, 5, 16, 6, 3, 3, 8, 6, 21, 410, 48, 35, 4, 4, 5]. 60 percent of accesses are in the largest equivalence class. The 103 initializations are split as follows [2, 4, 0, 0, 25, 0, 5, 16, 6, 0, 3, 8, 4, 21, 5, 0, 0, 0, 4, 0]. The 438 writes are split as follows [0, 0, 60, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 294, 48, 30, 0, 0, 4]. [2025-01-09 19:11:25,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,447 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 19:11:25,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 19:11:25,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 19:11:25,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 19:11:25,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (1/1) ... [2025-01-09 19:11:25,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:11:25,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:11:25,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 19:11:25,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 19:11:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 19:11:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 19:11:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 19:11:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 19:11:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 19:11:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 19:11:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 19:11:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 19:11:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 19:11:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 19:11:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 19:11:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 19:11:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure el3_config [2025-01-09 19:11:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_config [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 19:11:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 19:11:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 19:11:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 19:11:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 19:11:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 19:11:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 19:11:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 19:11:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 19:11:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 19:11:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 19:11:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 19:11:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 19:11:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-01-09 19:11:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2025-01-09 19:11:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2025-01-09 19:11:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-01-09 19:11:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-01-09 19:11:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 19:11:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-01-09 19:11:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2025-01-09 19:11:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-01-09 19:11:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 19:11:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2025-01-09 19:11:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 19:11:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2025-01-09 19:11:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 19:11:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-01-09 19:11:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 19:11:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-01-09 19:11:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_reset [2025-01-09 19:11:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_reset [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2025-01-09 19:11:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_present [2025-01-09 19:11:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_present [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2025-01-09 19:11:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 19:11:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 19:11:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 19:11:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 19:11:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 19:11:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 19:11:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 19:11:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 19:11:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 19:11:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 19:11:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 19:11:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 19:11:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 19:11:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 19:11:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 19:11:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 19:11:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 19:11:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 19:11:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-01-09 19:11:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2025-01-09 19:11:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2025-01-09 19:11:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure el3_rx [2025-01-09 19:11:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_rx [2025-01-09 19:11:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2025-01-09 19:11:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2025-01-09 19:11:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 19:11:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 19:11:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 19:11:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 19:11:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 19:11:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 19:11:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 19:11:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 19:11:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 19:11:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 19:11:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 19:11:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 19:11:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-01-09 19:11:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-01-09 19:11:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_set_xcvr [2025-01-09 19:11:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_set_xcvr [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_release [2025-01-09 19:11:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_release [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2025-01-09 19:11:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-01-09 19:11:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-01-09 19:11:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure el3_get_stats [2025-01-09 19:11:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_get_stats [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-01-09 19:11:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_detach [2025-01-09 19:11:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_detach [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_wait_for_completion [2025-01-09 19:11:25,582 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_wait_for_completion [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 19:11:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2025-01-09 19:11:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure pop_tx_status [2025-01-09 19:11:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pop_tx_status [2025-01-09 19:11:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 19:11:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 19:11:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 19:11:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 19:11:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 19:11:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 19:11:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 19:11:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 19:11:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 19:11:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2025-01-09 19:11:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2025-01-09 19:11:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 19:11:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 19:11:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure el3_tx_timeout [2025-01-09 19:11:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_tx_timeout [2025-01-09 19:11:26,051 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 19:11:26,054 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 19:11:26,106 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 19:11:35,657 INFO L? ?]: Removed 959 outVars from TransFormulas that were not future-live. [2025-01-09 19:11:35,657 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 19:11:35,689 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 19:11:35,691 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 19:11:35,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:11:35 BoogieIcfgContainer [2025-01-09 19:11:35,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 19:11:35,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 19:11:35,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 19:11:35,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 19:11:35,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:11:23" (1/3) ... [2025-01-09 19:11:35,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cd751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:11:35, skipping insertion in model container [2025-01-09 19:11:35,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:11:25" (2/3) ... [2025-01-09 19:11:35,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cd751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:11:35, skipping insertion in model container [2025-01-09 19:11:35,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:11:35" (3/3) ... [2025-01-09 19:11:35,699 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 [2025-01-09 19:11:35,712 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 19:11:35,717 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. [2025-01-09 19:11:35,783 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 19:11:35,792 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;@140f204c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 19:11:35,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 19:11:35,798 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) [2025-01-09 19:11:35,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2025-01-09 19:11:35,838 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:11:35,839 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, 1] [2025-01-09 19:11:35,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:11:35,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:11:35,844 INFO L85 PathProgramCache]: Analyzing trace with hash -333498563, now seen corresponding path program 1 times [2025-01-09 19:11:35,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:11:35,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687593645] [2025-01-09 19:11:35,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:11:35,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:11:42,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-01-09 19:11:42,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-01-09 19:11:42,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:11:42,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:11:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-01-09 19:11:43,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:11:43,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687593645] [2025-01-09 19:11:43,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687593645] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 19:11:43,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843252278] [2025-01-09 19:11:43,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:11:43,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 19:11:43,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:11:43,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 19:11:43,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 19:11:49,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-01-09 19:11:50,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-01-09 19:11:50,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:11:50,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:11:50,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 4645 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 19:11:50,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 19:11:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2025-01-09 19:11:50,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 19:11:50,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843252278] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:11:50,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 19:11:50,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 19:11:50,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321201325] [2025-01-09 19:11:50,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:11:50,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 19:11:50,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:11:50,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 19:11:50,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 19:11:50,126 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 50.5) internal successors, (101), 2 states have internal predecessors, (101), 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) [2025-01-09 19:11:50,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:11:50,203 INFO L93 Difference]: Finished difference Result 2149 states and 3220 transitions. [2025-01-09 19:11:50,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 19:11:50,205 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 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 210 [2025-01-09 19:11:50,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:11:50,217 INFO L225 Difference]: With dead ends: 2149 [2025-01-09 19:11:50,217 INFO L226 Difference]: Without dead ends: 1058 [2025-01-09 19:11:50,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 19:11:50,228 INFO L435 NwaCegarLoop]: 1587 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 19:11:50,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1587 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 19:11:50,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2025-01-09 19:11:50,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1058. [2025-01-09 19:11:50,305 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) [2025-01-09 19:11:50,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1560 transitions. [2025-01-09 19:11:50,316 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1560 transitions. Word has length 210 [2025-01-09 19:11:50,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:11:50,316 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1560 transitions. [2025-01-09 19:11:50,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 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) [2025-01-09 19:11:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1560 transitions. [2025-01-09 19:11:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2025-01-09 19:11:50,324 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:11:50,324 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] [2025-01-09 19:11:50,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 19:11:50,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 19:11:50,529 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:11:50,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:11:50,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1937835500, now seen corresponding path program 1 times [2025-01-09 19:11:50,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:11:50,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466726950] [2025-01-09 19:11:50,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:11:50,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:11:56,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 209 statements into 1 equivalence classes. [2025-01-09 19:11:56,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 209 of 209 statements. [2025-01-09 19:11:56,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:11:56,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:11:57,539 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-01-09 19:11:57,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:11:57,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466726950] [2025-01-09 19:11:57,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466726950] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:11:57,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:11:57,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:11:57,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581207555] [2025-01-09 19:11:57,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:11:57,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:11:57,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:11:57,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:11:57,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:11:57,542 INFO L87 Difference]: Start difference. First operand 1058 states and 1560 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) [2025-01-09 19:12:01,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:12:18,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:12:18,658 INFO L93 Difference]: Finished difference Result 5217 states and 7708 transitions. [2025-01-09 19:12:18,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 19:12:18,659 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 209 [2025-01-09 19:12:18,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:12:18,682 INFO L225 Difference]: With dead ends: 5217 [2025-01-09 19:12:18,682 INFO L226 Difference]: Without dead ends: 4176 [2025-01-09 19:12:18,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:12:18,687 INFO L435 NwaCegarLoop]: 1580 mSDtfsCounter, 4620 mSDsluCounter, 5318 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4620 SdHoareTripleChecker+Valid, 6898 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2025-01-09 19:12:18,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4620 Valid, 6898 Invalid, 1620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 1592 Invalid, 1 Unknown, 0 Unchecked, 20.7s Time] [2025-01-09 19:12:18,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2025-01-09 19:12:18,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 4166. [2025-01-09 19:12:18,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4166 states, 2942 states have (on average 1.3885112168592795) internal successors, (4085), 3143 states have internal predecessors, (4085), 1031 states have call successors, (1031), 193 states have call predecessors, (1031), 192 states have return successors, (1036), 985 states have call predecessors, (1036), 1030 states have call successors, (1036) [2025-01-09 19:12:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 6152 transitions. [2025-01-09 19:12:18,908 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 6152 transitions. Word has length 209 [2025-01-09 19:12:18,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:12:18,909 INFO L471 AbstractCegarLoop]: Abstraction has 4166 states and 6152 transitions. [2025-01-09 19:12:18,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2025-01-09 19:12:18,910 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 6152 transitions. [2025-01-09 19:12:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2025-01-09 19:12:18,918 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:12:18,918 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] [2025-01-09 19:12:18,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 19:12:18,918 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:12:18,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:12:18,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1014062276, now seen corresponding path program 1 times [2025-01-09 19:12:18,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:12:18,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637273214] [2025-01-09 19:12:18,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:12:18,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:12:25,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 207 statements into 1 equivalence classes. [2025-01-09 19:12:25,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 207 of 207 statements. [2025-01-09 19:12:25,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:12:25,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:12:25,985 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-01-09 19:12:25,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:12:25,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637273214] [2025-01-09 19:12:25,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637273214] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:12:25,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:12:25,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:12:25,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106744924] [2025-01-09 19:12:25,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:12:25,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:12:25,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:12:25,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:12:25,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:12:25,989 INFO L87 Difference]: Start difference. First operand 4166 states and 6152 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) [2025-01-09 19:12:30,031 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 [] [2025-01-09 19:12:44,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:12:44,216 INFO L93 Difference]: Finished difference Result 20716 states and 30626 transitions. [2025-01-09 19:12:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 19:12:44,217 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 [2025-01-09 19:12:44,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:12:44,296 INFO L225 Difference]: With dead ends: 20716 [2025-01-09 19:12:44,296 INFO L226 Difference]: Without dead ends: 16567 [2025-01-09 19:12:44,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:12:44,319 INFO L435 NwaCegarLoop]: 1587 mSDtfsCounter, 5586 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 517 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5586 SdHoareTripleChecker+Valid, 5919 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2025-01-09 19:12:44,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5586 Valid, 5919 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 1067 Invalid, 1 Unknown, 0 Unchecked, 17.7s Time] [2025-01-09 19:12:44,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16567 states. [2025-01-09 19:12:44,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16567 to 16542. [2025-01-09 19:12:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16542 states, 11695 states have (on average 1.3866609662248823) internal successors, (16217), 12475 states have internal predecessors, (16217), 4086 states have call successors, (4086), 765 states have call predecessors, (4086), 760 states have return successors, (4105), 3909 states have call predecessors, (4105), 4085 states have call successors, (4105) [2025-01-09 19:12:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16542 states to 16542 states and 24408 transitions. [2025-01-09 19:12:44,956 INFO L78 Accepts]: Start accepts. Automaton has 16542 states and 24408 transitions. Word has length 207 [2025-01-09 19:12:44,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:12:44,957 INFO L471 AbstractCegarLoop]: Abstraction has 16542 states and 24408 transitions. [2025-01-09 19:12:44,957 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) [2025-01-09 19:12:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 16542 states and 24408 transitions. [2025-01-09 19:12:44,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2025-01-09 19:12:44,961 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:12:44,962 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, 1] [2025-01-09 19:12:44,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 19:12:44,962 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:12:44,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:12:44,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1749139513, now seen corresponding path program 1 times [2025-01-09 19:12:44,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:12:44,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022927767] [2025-01-09 19:12:44,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:12:44,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:12:50,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-01-09 19:12:50,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-01-09 19:12:50,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:12:50,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:12:51,507 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-01-09 19:12:51,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:12:51,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022927767] [2025-01-09 19:12:51,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022927767] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:12:51,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:12:51,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:12:51,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598955860] [2025-01-09 19:12:51,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:12:51,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:12:51,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:12:51,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:12:51,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:12:51,510 INFO L87 Difference]: Start difference. First operand 16542 states and 24408 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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) [2025-01-09 19:12:55,554 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 []