./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC --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-dev-6497de0 [2024-11-24 01:35:08,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:35:08,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:35:08,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:35:08,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:35:08,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:35:08,149 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:35:08,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:35:08,150 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:35:08,150 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:35:08,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:35:08,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:35:08,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:35:08,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:35:08,151 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:35:08,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:35:08,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:35:08,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:35:08,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:35:08,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:35:08,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:35:08,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:35:08,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:35:08,152 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:35:08,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:35:08,152 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:35:08,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:35:08,152 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:35:08,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:35:08,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:35:08,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:35:08,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:35:08,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:35:08,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:35:08,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:35:08,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:35:08,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:35:08,153 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:35:08,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:35:08,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:35:08,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:35:08,154 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:35:08,154 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:35:08,154 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:35:08,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:35:08,154 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-24 01:35:08,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:35:08,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:35:08,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:35:08,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:35:08,431 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:35:08,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2024-11-24 01:35:11,368 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/data/35a7974cc/514ff381015246ad8190a31b6d3cbd54/FLAG4051b5ef8 [2024-11-24 01:35:12,020 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:35:12,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--3com--3c589_cs.ko-entry_point.cil.out.i [2024-11-24 01:35:12,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/data/35a7974cc/514ff381015246ad8190a31b6d3cbd54/FLAG4051b5ef8 [2024-11-24 01:35:12,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/data/35a7974cc/514ff381015246ad8190a31b6d3cbd54 [2024-11-24 01:35:12,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:35:12,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:35:12,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:35:12,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:35:12,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:35:12,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:35:12" (1/1) ... [2024-11-24 01:35:12,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2cd81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:12, skipping insertion in model container [2024-11-24 01:35:12,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:35:12" (1/1) ... [2024-11-24 01:35:12,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:35:13,614 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/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] [2024-11-24 01:35:13,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:35:13,731 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:35:13,900 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] [2024-11-24 01:35:13,902 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] [2024-11-24 01:35:13,913 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] [2024-11-24 01:35:13,914 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] [2024-11-24 01:35:13,915 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" (836), "i" (12UL)); [5868-5869] [2024-11-24 01:35:13,915 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" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5874-5876] [2024-11-24 01:35:13,916 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] [2024-11-24 01:35:13,916 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] [2024-11-24 01:35:13,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5969] [2024-11-24 01:35:13,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5977] [2024-11-24 01:35:13,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5984] [2024-11-24 01:35:13,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5992] [2024-11-24 01:35:13,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [6000] [2024-11-24 01:35:13,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsl": "+S" (addr), "+c" (count): "d" (port)); [6007] [2024-11-24 01:35:13,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insl": "+D" (addr), "+c" (count): "d" (port)); [6014] [2024-11-24 01:35:14,106 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/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] [2024-11-24 01:35:14,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:35:14,301 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:35:14,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14 WrapperNode [2024-11-24 01:35:14,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:35:14,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:35:14,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:35:14,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:35:14,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:14,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:14,579 INFO L138 Inliner]: procedures = 178, calls = 1239, calls flagged for inlining = 86, calls inlined = 83, statements flattened = 2947 [2024-11-24 01:35:14,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:35:14,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:35:14,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:35:14,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:35:14,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:14,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:14,618 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:14,843 INFO L175 MemorySlicer]: Split 680 memory accesses to 20 slices as follows [2, 4, 1, 5, 3, 25, 35, 5, 16, 6, 410, 3, 8, 4, 6, 70, 21, 4, 48, 4]. 60 percent of accesses are in the largest equivalence class. The 103 initializations are split as follows [2, 4, 0, 0, 0, 25, 0, 5, 16, 6, 5, 3, 8, 0, 4, 0, 21, 0, 0, 4]. The 438 writes are split as follows [0, 0, 0, 4, 0, 0, 30, 0, 0, 0, 294, 0, 0, 2, 0, 60, 0, 0, 48, 0]. [2024-11-24 01:35:14,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:14,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:14,941 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:14,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:14,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:15,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:15,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:15,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:35:15,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:35:15,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:35:15,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:35:15,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (1/1) ... [2024-11-24 01:35:15,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:35:15,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:35:15,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:35:15,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:35:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:35:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:35:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure el3_config [2024-11-24 01:35:15,143 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_config [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:35:15,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 01:35:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 01:35:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 01:35:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 01:35:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:35:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:35:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:35:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:35:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:35:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:35:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:35:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:35:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 01:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 01:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 01:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 01:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 01:35:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 01:35:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 01:35:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-24 01:35:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-24 01:35:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2024-11-24 01:35:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2024-11-24 01:35:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-24 01:35:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-24 01:35:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-24 01:35:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-24 01:35:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:35:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:35:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-24 01:35:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-24 01:35:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2024-11-24 01:35:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2024-11-24 01:35:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 01:35:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 01:35:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:35:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:35:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:35:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:35:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:35:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:35:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:35:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:35:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-24 01:35:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-24 01:35:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 01:35:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 01:35:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-24 01:35:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-24 01:35:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:35:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:35:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-24 01:35:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-24 01:35:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:35:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:35:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 01:35:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 01:35:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:35:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_reset [2024-11-24 01:35:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_reset [2024-11-24 01:35:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:35:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2024-11-24 01:35:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2024-11-24 01:35:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_present [2024-11-24 01:35:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_present [2024-11-24 01:35:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-24 01:35:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-24 01:35:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:35:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:35:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:35:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:35:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:35:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:35:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:35:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-24 01:35:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-24 01:35:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure el3_rx [2024-11-24 01:35:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_rx [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-24 01:35:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:35:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:35:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:35:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:35:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 01:35:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 01:35:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 01:35:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 01:35:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 01:35:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-24 01:35:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-24 01:35:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-24 01:35:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-24 01:35:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_set_xcvr [2024-11-24 01:35:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_set_xcvr [2024-11-24 01:35:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_release [2024-11-24 01:35:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_release [2024-11-24 01:35:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2024-11-24 01:35:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2024-11-24 01:35:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-24 01:35:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-24 01:35:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-24 01:35:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure el3_get_stats [2024-11-24 01:35:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_get_stats [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-24 01:35:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_detach [2024-11-24 01:35:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_detach [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure tc589_wait_for_completion [2024-11-24 01:35:15,166 INFO L138 BoogieDeclarations]: Found implementation of procedure tc589_wait_for_completion [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:35:15,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2024-11-24 01:35:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 01:35:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-24 01:35:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-24 01:35:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-24 01:35:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-24 01:35:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-24 01:35:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-24 01:35:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-24 01:35:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-24 01:35:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-24 01:35:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-24 01:35:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-24 01:35:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-24 01:35:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-24 01:35:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-24 01:35:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 01:35:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 01:35:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-24 01:35:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-24 01:35:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure pop_tx_status [2024-11-24 01:35:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pop_tx_status [2024-11-24 01:35:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:35:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:35:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 01:35:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 01:35:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 01:35:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 01:35:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 01:35:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2024-11-24 01:35:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2024-11-24 01:35:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:35:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:35:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure el3_tx_timeout [2024-11-24 01:35:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure el3_tx_timeout [2024-11-24 01:35:15,937 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:35:15,941 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:35:16,042 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:35:29,389 INFO L? ?]: Removed 959 outVars from TransFormulas that were not future-live. [2024-11-24 01:35:29,390 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:35:29,421 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:35:29,422 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 01:35:29,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:35:29 BoogieIcfgContainer [2024-11-24 01:35:29,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:35:29,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:35:29,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:35:29,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:35:29,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:35:12" (1/3) ... [2024-11-24 01:35:29,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf4ee3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:35:29, skipping insertion in model container [2024-11-24 01:35:29,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:35:14" (2/3) ... [2024-11-24 01:35:29,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf4ee3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:35:29, skipping insertion in model container [2024-11-24 01:35:29,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:35:29" (3/3) ... [2024-11-24 01:35:29,433 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 [2024-11-24 01:35:29,448 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:35:29,451 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. [2024-11-24 01:35:29,539 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:35:29,556 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;@2ac8141b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:35:29,556 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:35:29,567 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) [2024-11-24 01:35:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-24 01:35:29,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:29,634 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] [2024-11-24 01:35:29,636 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:29,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:29,642 INFO L85 PathProgramCache]: Analyzing trace with hash -333498563, now seen corresponding path program 1 times [2024-11-24 01:35:29,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:29,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411535577] [2024-11-24 01:35:29,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:29,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:39,686 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-24 01:35:39,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:39,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411535577] [2024-11-24 01:35:39,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411535577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:35:39,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162452580] [2024-11-24 01:35:39,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:39,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:35:39,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:35:39,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:35:39,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:35:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:48,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 4645 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:35:48,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:35:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-24 01:35:48,717 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:35:48,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162452580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:48,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:35:48,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:35:48,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803417651] [2024-11-24 01:35:48,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:48,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:35:48,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:48,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:35:48,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:35:48,755 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) [2024-11-24 01:35:48,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:35:48,944 INFO L93 Difference]: Finished difference Result 2149 states and 3220 transitions. [2024-11-24 01:35:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:35:48,946 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 [2024-11-24 01:35:48,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:35:48,975 INFO L225 Difference]: With dead ends: 2149 [2024-11-24 01:35:48,975 INFO L226 Difference]: Without dead ends: 1058 [2024-11-24 01:35:48,986 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 [2024-11-24 01:35:48,989 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 [2024-11-24 01:35:48,990 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] [2024-11-24 01:35:49,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-11-24 01:35:49,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1058. [2024-11-24 01:35:49,115 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) [2024-11-24 01:35:49,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1560 transitions. [2024-11-24 01:35:49,131 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1560 transitions. Word has length 210 [2024-11-24 01:35:49,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:35:49,132 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1560 transitions. [2024-11-24 01:35:49,132 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) [2024-11-24 01:35:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1560 transitions. [2024-11-24 01:35:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-24 01:35:49,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:35:49,145 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] [2024-11-24 01:35:49,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:35:49,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6272fc5-3639-4c73-8cb8-5b525b44a695/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:35:49,345 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:35:49,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:35:49,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1937835500, now seen corresponding path program 1 times [2024-11-24 01:35:49,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:35:49,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764533094] [2024-11-24 01:35:49,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:35:49,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:35:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:35:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-24 01:35:58,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:35:58,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764533094] [2024-11-24 01:35:58,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764533094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:35:58,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:35:58,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:35:58,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897676319] [2024-11-24 01:35:58,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:35:58,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:35:58,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:35:58,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:35:58,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:35:58,400 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) [2024-11-24 01:36:02,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:36:18,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:18,917 INFO L93 Difference]: Finished difference Result 5217 states and 7708 transitions. [2024-11-24 01:36:18,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:36:18,918 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 [2024-11-24 01:36:18,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:18,951 INFO L225 Difference]: With dead ends: 5217 [2024-11-24 01:36:18,951 INFO L226 Difference]: Without dead ends: 4176 [2024-11-24 01:36:18,958 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 [2024-11-24 01:36:18,959 INFO L435 NwaCegarLoop]: 1580 mSDtfsCounter, 4620 mSDsluCounter, 5318 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s 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, 20.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:18,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4620 Valid, 6898 Invalid, 1620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 1592 Invalid, 1 Unknown, 0 Unchecked, 20.0s Time] [2024-11-24 01:36:18,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2024-11-24 01:36:19,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 4166. [2024-11-24 01:36:19,210 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) [2024-11-24 01:36:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 6152 transitions. [2024-11-24 01:36:19,238 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 6152 transitions. Word has length 209 [2024-11-24 01:36:19,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:19,241 INFO L471 AbstractCegarLoop]: Abstraction has 4166 states and 6152 transitions. [2024-11-24 01:36:19,241 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) [2024-11-24 01:36:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 6152 transitions. [2024-11-24 01:36:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-24 01:36:19,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:19,254 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] [2024-11-24 01:36:19,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:36:19,255 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:19,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:19,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1014062276, now seen corresponding path program 1 times [2024-11-24 01:36:19,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:19,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561145667] [2024-11-24 01:36:19,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:19,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-24 01:36:27,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:27,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561145667] [2024-11-24 01:36:27,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561145667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:27,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:27,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:36:27,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424430964] [2024-11-24 01:36:27,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:27,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:36:27,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:27,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:36:27,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:36:27,960 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) [2024-11-24 01:36:32,044 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 [] [2024-11-24 01:36:44,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:44,320 INFO L93 Difference]: Finished difference Result 20716 states and 30626 transitions. [2024-11-24 01:36:44,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:36:44,321 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 [2024-11-24 01:36:44,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:44,433 INFO L225 Difference]: With dead ends: 20716 [2024-11-24 01:36:44,433 INFO L226 Difference]: Without dead ends: 16567 [2024-11-24 01:36:44,463 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 [2024-11-24 01:36:44,464 INFO L435 NwaCegarLoop]: 1587 mSDtfsCounter, 5586 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 517 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s 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, 15.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:44,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5586 Valid, 5919 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 1067 Invalid, 1 Unknown, 0 Unchecked, 15.8s Time] [2024-11-24 01:36:44,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16567 states. [2024-11-24 01:36:45,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16567 to 16542. [2024-11-24 01:36:45,332 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) [2024-11-24 01:36:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16542 states to 16542 states and 24408 transitions. [2024-11-24 01:36:45,419 INFO L78 Accepts]: Start accepts. Automaton has 16542 states and 24408 transitions. Word has length 207 [2024-11-24 01:36:45,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:45,420 INFO L471 AbstractCegarLoop]: Abstraction has 16542 states and 24408 transitions. [2024-11-24 01:36:45,420 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) [2024-11-24 01:36:45,420 INFO L276 IsEmpty]: Start isEmpty. Operand 16542 states and 24408 transitions. [2024-11-24 01:36:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-24 01:36:45,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:45,428 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] [2024-11-24 01:36:45,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:36:45,428 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:45,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:45,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1749139513, now seen corresponding path program 1 times [2024-11-24 01:36:45,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:45,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901772356] [2024-11-24 01:36:45,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:45,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-24 01:36:53,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:53,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901772356] [2024-11-24 01:36:53,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901772356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:53,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:53,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:36:53,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261202391] [2024-11-24 01:36:53,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:53,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:36:53,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:53,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:36:53,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:36:53,883 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) [2024-11-24 01:36:57,957 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 [] [2024-11-24 01:37:11,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:11,071 INFO L93 Difference]: Finished difference Result 82594 states and 121892 transitions. [2024-11-24 01:37:11,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:37:11,073 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 210 [2024-11-24 01:37:11,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:11,503 INFO L225 Difference]: With dead ends: 82594 [2024-11-24 01:37:11,503 INFO L226 Difference]: Without dead ends: 66069 [2024-11-24 01:37:11,617 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 [2024-11-24 01:37:11,619 INFO L435 NwaCegarLoop]: 1567 mSDtfsCounter, 5608 mSDsluCounter, 4332 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 519 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5608 SdHoareTripleChecker+Valid, 5899 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:11,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5608 Valid, 5899 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1069 Invalid, 1 Unknown, 0 Unchecked, 15.6s Time] [2024-11-24 01:37:11,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66069 states. [2024-11-24 01:37:14,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66069 to 66056. [2024-11-24 01:37:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66056 states, 46737 states have (on average 1.3848770781179793) internal successors, (64725), 49809 states have internal predecessors, (64725), 16278 states have call successors, (16278), 3057 states have call predecessors, (16278), 3040 states have return successors, (16381), 15621 states have call predecessors, (16381), 16277 states have call successors, (16381) [2024-11-24 01:37:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66056 states to 66056 states and 97384 transitions. [2024-11-24 01:37:15,174 INFO L78 Accepts]: Start accepts. Automaton has 66056 states and 97384 transitions. Word has length 210 [2024-11-24 01:37:15,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:15,175 INFO L471 AbstractCegarLoop]: Abstraction has 66056 states and 97384 transitions. [2024-11-24 01:37:15,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-24 01:37:15,175 INFO L276 IsEmpty]: Start isEmpty. Operand 66056 states and 97384 transitions. [2024-11-24 01:37:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-24 01:37:15,182 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:15,182 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] [2024-11-24 01:37:15,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:37:15,183 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:15,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:15,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2139596705, now seen corresponding path program 1 times [2024-11-24 01:37:15,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:37:15,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228908748] [2024-11-24 01:37:15,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:15,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:37:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-24 01:37:23,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:37:23,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228908748] [2024-11-24 01:37:23,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228908748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:37:23,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:37:23,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:37:23,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742727730] [2024-11-24 01:37:23,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:37:23,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:37:23,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:37:23,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:37:23,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:37:23,797 INFO L87 Difference]: Start difference. First operand 66056 states and 97384 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) [2024-11-24 01:37:27,872 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 [] [2024-11-24 01:37:46,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:46,039 INFO L93 Difference]: Finished difference Result 302891 states and 444399 transitions. [2024-11-24 01:37:46,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:37:46,040 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 [2024-11-24 01:37:46,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:47,647 INFO L225 Difference]: With dead ends: 302891 [2024-11-24 01:37:47,647 INFO L226 Difference]: Without dead ends: 236852 [2024-11-24 01:37:47,898 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 [2024-11-24 01:37:47,899 INFO L435 NwaCegarLoop]: 1569 mSDtfsCounter, 6618 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 1045 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6618 SdHoareTripleChecker+Valid, 5128 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1045 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:47,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6618 Valid, 5128 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1045 Valid, 1065 Invalid, 1 Unknown, 0 Unchecked, 16.7s Time] [2024-11-24 01:37:48,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236852 states.