./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--via--via-rhine.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_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/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_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/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--via--via-rhine.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/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_63e3cd69-b4b8-45ea-acc2-32594cb02519/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 8c1e000315c7e5051ebe8a41b2bda4d97cfdaafd46079111675b13d58607213e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:48:21,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:48:21,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:48:21,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:48:21,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:48:21,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:48:21,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:48:21,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:48:21,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:48:21,235 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:48:21,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:48:21,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:48:21,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:48:21,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:48:21,236 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:48:21,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:48:21,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:48:21,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:48:21,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:48:21,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:48:21,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:48:21,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:48:21,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:48:21,237 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:48:21,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:48:21,237 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:48:21,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:48:21,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:48:21,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:48:21,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:48:21,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:48:21,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:48:21,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:48:21,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:48:21,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:48:21,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:48:21,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:48:21,239 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:48:21,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:48:21,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:48:21,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:48:21,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:48:21,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:48:21,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:48:21,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:48:21,240 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_63e3cd69-b4b8-45ea-acc2-32594cb02519/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 -> 8c1e000315c7e5051ebe8a41b2bda4d97cfdaafd46079111675b13d58607213e [2024-11-24 00:48:21,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:48:21,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:48:21,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:48:21,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:48:21,669 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:48:21,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i [2024-11-24 00:48:24,741 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/data/41719dc4c/be4faafa482f4cab9471bea15b47b22d/FLAG43951ff69 [2024-11-24 00:48:25,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:48:25,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i [2024-11-24 00:48:25,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/data/41719dc4c/be4faafa482f4cab9471bea15b47b22d/FLAG43951ff69 [2024-11-24 00:48:25,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/data/41719dc4c/be4faafa482f4cab9471bea15b47b22d [2024-11-24 00:48:25,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:48:25,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:48:25,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:48:25,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:48:25,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:48:25,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:48:25" (1/1) ... [2024-11-24 00:48:25,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d89e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:25, skipping insertion in model container [2024-11-24 00:48:25,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:48:25" (1/1) ... [2024-11-24 00:48:25,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:48:29,032 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_63e3cd69-b4b8-45ea-acc2-32594cb02519/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i[345599,345612] [2024-11-24 00:48:29,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:48:29,223 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:48:29,408 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"); [5667] [2024-11-24 00:48:29,410 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)); [5674] [2024-11-24 00:48:29,411 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5682-5683] [2024-11-24 00:48:29,412 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5691-5692] [2024-11-24 00:48:29,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5966] [2024-11-24 00:48:29,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5981] [2024-11-24 00:48:29,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5989] [2024-11-24 00:48:29,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6190-6191] [2024-11-24 00:48:29,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6219-6220] [2024-11-24 00:48:29,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6249-6250] [2024-11-24 00:48:29,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [6279-6280] [2024-11-24 00:48:29,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/dynamic_queue_limits.h"), "i" (74), "i" (12UL)); [6350-6351] [2024-11-24 00:48:29,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6357] [2024-11-24 00:48:29,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (507), "i" (12UL)); [6548-6549] [2024-11-24 00:48:29,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6554] [2024-11-24 00:48:29,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6655] [2024-11-24 00:48:29,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6687] [2024-11-24 00:48:29,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6821] [2024-11-24 00:48:29,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6824] [2024-11-24 00:48:29,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6827] [2024-11-24 00:48:29,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6830] [2024-11-24 00:48:29,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6841] [2024-11-24 00:48:29,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6844] [2024-11-24 00:48:29,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6847] [2024-11-24 00:48:29,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6850] [2024-11-24 00:48:29,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6861] [2024-11-24 00:48:29,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6864] [2024-11-24 00:48:29,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6867] [2024-11-24 00:48:29,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6870] [2024-11-24 00:48:29,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6881] [2024-11-24 00:48:29,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6884] [2024-11-24 00:48:29,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6887] [2024-11-24 00:48:29,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6890] [2024-11-24 00:48:29,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7181] [2024-11-24 00:48:29,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7534] [2024-11-24 00:48:29,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7968] [2024-11-24 00:48:29,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8198] [2024-11-24 00:48:29,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8213] [2024-11-24 00:48:29,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8224] [2024-11-24 00:48:29,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8229] [2024-11-24 00:48:29,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8240] [2024-11-24 00:48:29,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8250] [2024-11-24 00:48:29,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8707] [2024-11-24 00:48:29,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8709] [2024-11-24 00:48:29,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8711] [2024-11-24 00:48:29,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8723] [2024-11-24 00:48:29,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8758] [2024-11-24 00:48:29,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8838] [2024-11-24 00:48:29,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8946] [2024-11-24 00:48:29,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8958] [2024-11-24 00:48:29,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8987] [2024-11-24 00:48:29,834 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_63e3cd69-b4b8-45ea-acc2-32594cb02519/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i[345599,345612] [2024-11-24 00:48:29,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:48:30,190 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:48:30,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30 WrapperNode [2024-11-24 00:48:30,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:48:30,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:48:30,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:48:30,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:48:30,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:30,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:30,693 INFO L138 Inliner]: procedures = 408, calls = 3458, calls flagged for inlining = 212, calls inlined = 175, statements flattened = 7244 [2024-11-24 00:48:30,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:48:30,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:48:30,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:48:30,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:48:30,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:30,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:30,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:32,336 INFO L175 MemorySlicer]: Split 2170 memory accesses to 21 slices as follows [2, 10, 6, 932, 43, 11, 25, 981, 4, 5, 8, 2, 19, 1, 7, 2, 9, 42, 5, 51, 5]. 45 percent of accesses are in the largest equivalence class. The 1425 initializations are split as follows [2, 8, 6, 393, 0, 11, 0, 981, 4, 5, 8, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0]. The 435 writes are split as follows [0, 0, 0, 271, 43, 0, 25, 0, 0, 0, 0, 1, 1, 0, 0, 1, 2, 36, 2, 51, 2]. [2024-11-24 00:48:32,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:32,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:32,590 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:32,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:32,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:32,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:32,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:32,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:48:32,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:48:32,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:48:32,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:48:32,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (1/1) ... [2024-11-24 00:48:32,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:48:32,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:48:32,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:48:32,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:48:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_slow_event_task [2024-11-24 00:48:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_slow_event_task [2024-11-24 00:48:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_reset_rbufs [2024-11-24 00:48:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_reset_rbufs [2024-11-24 00:48:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-24 00:48:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-24 00:48:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 00:48:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 00:48:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-24 00:48:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-24 00:48:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-24 00:48:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-24 00:48:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 00:48:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 00:48:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-24 00:48:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-24 00:48:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2024-11-24 00:48:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2024-11-24 00:48:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2024-11-24 00:48:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2024-11-24 00:48:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2024-11-24 00:48:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2024-11-24 00:48:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-24 00:48:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-24 00:48:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-24 00:48:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-24 00:48:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-24 00:48:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-24 00:48:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-24 00:48:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-24 00:48:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-24 00:48:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-24 00:48:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2024-11-24 00:48:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2024-11-24 00:48:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-24 00:48:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-24 00:48:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-24 00:48:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-24 00:48:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-24 00:48:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-24 00:48:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2024-11-24 00:48:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2024-11-24 00:48:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-24 00:48:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-24 00:48:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-24 00:48:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-24 00:48:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-24 00:48:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-24 00:48:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-24 00:48:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-24 00:48:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-24 00:48:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-24 00:48:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 00:48:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 00:48:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:48:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2024-11-24 00:48:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2024-11-24 00:48:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2024-11-24 00:48:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2024-11-24 00:48:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-24 00:48:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-24 00:48:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 00:48:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 00:48:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-24 00:48:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-24 00:48:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-24 00:48:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-24 00:48:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-24 00:48:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-24 00:48:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_vlan_rx_kill_vid [2024-11-24 00:48:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_vlan_rx_kill_vid [2024-11-24 00:48:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-24 00:48:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-24 00:48:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-24 00:48:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-24 00:48:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 00:48:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 00:48:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-24 00:48:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_skb_dma_nic_store [2024-11-24 00:48:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_skb_dma_nic_store [2024-11-24 00:48:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2024-11-24 00:48:32,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2024-11-24 00:48:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:48:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:48:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:48:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:48:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:48:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:48:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-24 00:48:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-24 00:48:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2024-11-24 00:48:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2024-11-24 00:48:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-24 00:48:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2024-11-24 00:48:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-24 00:48:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-11-24 00:48:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2024-11-24 00:48:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2024-11-24 00:48:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 00:48:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:48:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:48:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 00:48:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 00:48:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 00:48:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 00:48:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 00:48:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 00:48:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 00:48:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 00:48:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 00:48:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 00:48:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 00:48:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 00:48:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 00:48:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-24 00:48:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_reset_task [2024-11-24 00:48:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_reset_task [2024-11-24 00:48:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-24 00:48:32,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-24 00:48:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-24 00:48:32,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-24 00:48:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-24 00:48:32,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-24 00:48:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2024-11-24 00:48:32,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2024-11-24 00:48:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2024-11-24 00:48:32,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2024-11-24 00:48:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-24 00:48:32,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-24 00:48:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-24 00:48:32,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-24 00:48:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-11-24 00:48:32,996 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-11-24 00:48:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2024-11-24 00:48:32,996 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2024-11-24 00:48:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-24 00:48:32,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-24 00:48:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-24 00:48:32,996 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-24 00:48:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2024-11-24 00:48:32,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2024-11-24 00:48:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2024-11-24 00:48:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2024-11-24 00:48:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-24 00:48:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-24 00:48:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:48:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:48:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-24 00:48:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-24 00:48:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-24 00:48:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-24 00:48:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure free_ring [2024-11-24 00:48:32,997 INFO L138 BoogieDeclarations]: Found implementation of procedure free_ring [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_init_one_platform [2024-11-24 00:48:32,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_init_one_platform [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 00:48:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 00:48:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown_pci [2024-11-24 00:48:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown_pci [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one_platform [2024-11-24 00:48:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one_platform [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2024-11-24 00:48:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 00:48:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 00:48:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 00:48:33,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-24 00:48:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-24 00:48:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-24 00:48:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_queue_full [2024-11-24 00:48:33,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_queue_full [2024-11-24 00:48:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2024-11-24 00:48:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2024-11-24 00:48:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:48:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:48:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2024-11-24 00:48:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2024-11-24 00:48:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 00:48:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 00:48:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2024-11-24 00:48:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2024-11-24 00:48:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_vlan_rx_add_vid [2024-11-24 00:48:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_vlan_rx_add_vid [2024-11-24 00:48:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-11-24 00:48:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-11-24 00:48:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-24 00:48:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-24 00:48:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:48:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-24 00:48:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-24 00:48:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-24 00:48:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-24 00:48:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:48:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:48:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:48:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:48:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:48:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 00:48:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 00:48:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 00:48:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 00:48:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-24 00:48:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_init_one_common [2024-11-24 00:48:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_init_one_common [2024-11-24 00:48:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2024-11-24 00:48:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2024-11-24 00:48:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-24 00:48:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-24 00:48:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 00:48:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 00:48:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 00:48:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 00:48:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_skb_dma_init [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_skb_dma_init [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-24 00:48:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-24 00:48:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2024-11-24 00:48:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:48:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2024-11-24 00:48:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2024-11-24 00:48:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-24 00:48:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-24 00:48:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-24 00:48:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-24 00:48:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 00:48:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 00:48:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-24 00:48:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-24 00:48:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-24 00:48:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-24 00:48:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2024-11-24 00:48:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2024-11-24 00:48:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2024-11-24 00:48:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2024-11-24 00:48:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2024-11-24 00:48:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2024-11-24 00:48:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2024-11-24 00:48:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2024-11-24 00:48:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-24 00:48:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-24 00:48:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_stats64 [2024-11-24 00:48:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_stats64 [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2024-11-24 00:48:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-24 00:48:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2024-11-24 00:48:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-24 00:48:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2024-11-24 00:48:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2024-11-24 00:48:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-24 00:48:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-24 00:48:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-24 00:48:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2024-11-24 00:48:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2024-11-24 00:48:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2024-11-24 00:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-24 00:48:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-24 00:48:34,285 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:48:34,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:48:34,651 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 00:48:53,340 INFO L? ?]: Removed 2329 outVars from TransFormulas that were not future-live. [2024-11-24 00:48:53,341 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:48:53,421 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:48:53,421 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 00:48:53,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:48:53 BoogieIcfgContainer [2024-11-24 00:48:53,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:48:53,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:48:53,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:48:53,434 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:48:53,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:48:25" (1/3) ... [2024-11-24 00:48:53,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3caa0fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:48:53, skipping insertion in model container [2024-11-24 00:48:53,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:30" (2/3) ... [2024-11-24 00:48:53,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3caa0fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:48:53, skipping insertion in model container [2024-11-24 00:48:53,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:48:53" (3/3) ... [2024-11-24 00:48:53,439 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i [2024-11-24 00:48:53,458 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:48:53,462 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--via--via-rhine.ko-entry_point.cil.out.i that has 158 procedures, 2440 locations, 1 initial locations, 21 loop locations, and 1 error locations. [2024-11-24 00:48:53,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:48:53,630 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;@19c48cd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:48:53,631 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:48:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 2367 states, 1684 states have (on average 1.3752969121140142) internal successors, (2316), 1743 states have internal predecessors, (2316), 544 states have call successors, (544), 139 states have call predecessors, (544), 138 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) [2024-11-24 00:48:53,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-24 00:48:53,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:53,744 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:48:53,744 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:53,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:53,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1984540470, now seen corresponding path program 1 times [2024-11-24 00:48:53,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:53,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131333268] [2024-11-24 00:48:53,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:53,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:49:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:49:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-24 00:49:22,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:49:22,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131333268] [2024-11-24 00:49:22,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131333268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:49:22,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923555662] [2024-11-24 00:49:22,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:49:22,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:49:22,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:49:22,157 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:49:22,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:49:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:49:50,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 8578 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:49:50,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:49:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-24 00:49:50,122 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:49:50,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923555662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:49:50,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:49:50,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:49:50,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922097489] [2024-11-24 00:49:50,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:49:50,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:49:50,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:49:50,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:49:50,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:49:50,168 INFO L87 Difference]: Start difference. First operand has 2367 states, 1684 states have (on average 1.3752969121140142) internal successors, (2316), 1743 states have internal predecessors, (2316), 544 states have call successors, (544), 139 states have call predecessors, (544), 138 states have return successors, (533), 526 states have call predecessors, (533), 533 states have call successors, (533) Second operand has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 00:49:50,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:49:50,488 INFO L93 Difference]: Finished difference Result 4726 states and 6853 transitions. [2024-11-24 00:49:50,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:49:50,490 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 257 [2024-11-24 00:49:50,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:49:50,537 INFO L225 Difference]: With dead ends: 4726 [2024-11-24 00:49:50,537 INFO L226 Difference]: Without dead ends: 2336 [2024-11-24 00:49:50,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 258 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 00:49:50,564 INFO L435 NwaCegarLoop]: 3365 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, 3365 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 00:49:50,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3365 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:49:50,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2024-11-24 00:49:50,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2336. [2024-11-24 00:49:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2336 states, 1666 states have (on average 1.3565426170468187) internal successors, (2260), 1711 states have internal predecessors, (2260), 532 states have call successors, (532), 138 states have call predecessors, (532), 137 states have return successors, (531), 524 states have call predecessors, (531), 531 states have call successors, (531) [2024-11-24 00:49:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2336 states and 3323 transitions. [2024-11-24 00:49:50,816 INFO L78 Accepts]: Start accepts. Automaton has 2336 states and 3323 transitions. Word has length 257 [2024-11-24 00:49:50,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:49:50,817 INFO L471 AbstractCegarLoop]: Abstraction has 2336 states and 3323 transitions. [2024-11-24 00:49:50,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 00:49:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 3323 transitions. [2024-11-24 00:49:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-24 00:49:50,844 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:49:50,845 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:49:50,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:49:51,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:49:51,046 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:49:51,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:49:51,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1563106242, now seen corresponding path program 1 times [2024-11-24 00:49:51,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:49:51,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494447575] [2024-11-24 00:49:51,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:49:51,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:50:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:50:20,094 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-11-24 00:50:20,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:50:20,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494447575] [2024-11-24 00:50:20,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494447575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:50:20,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:50:20,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:50:20,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488010118] [2024-11-24 00:50:20,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:50:20,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:50:20,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:50:20,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:50:20,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:50:20,100 INFO L87 Difference]: Start difference. First operand 2336 states and 3323 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:50:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:50:21,620 INFO L93 Difference]: Finished difference Result 6151 states and 8748 transitions. [2024-11-24 00:50:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:50:21,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 257 [2024-11-24 00:50:21,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:50:21,662 INFO L225 Difference]: With dead ends: 6151 [2024-11-24 00:50:21,662 INFO L226 Difference]: Without dead ends: 3855 [2024-11-24 00:50:21,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:50:21,676 INFO L435 NwaCegarLoop]: 3322 mSDtfsCounter, 2221 mSDsluCounter, 3132 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 6454 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:50:21,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2221 Valid, 6454 Invalid, 114 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 00:50:21,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3855 states. [2024-11-24 00:50:21,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3855 to 3802. [2024-11-24 00:50:21,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3802 states, 2746 states have (on average 1.36598689002185) internal successors, (3751), 2830 states have internal predecessors, (3751), 828 states have call successors, (828), 229 states have call predecessors, (828), 227 states have return successors, (833), 810 states have call predecessors, (833), 827 states have call successors, (833) [2024-11-24 00:50:21,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 3802 states and 5412 transitions. [2024-11-24 00:50:21,929 INFO L78 Accepts]: Start accepts. Automaton has 3802 states and 5412 transitions. Word has length 257 [2024-11-24 00:50:21,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:50:21,931 INFO L471 AbstractCegarLoop]: Abstraction has 3802 states and 5412 transitions. [2024-11-24 00:50:21,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:50:21,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3802 states and 5412 transitions. [2024-11-24 00:50:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2024-11-24 00:50:21,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:50:21,975 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:50:21,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:50:21,976 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:50:21,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:21,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1559471, now seen corresponding path program 1 times [2024-11-24 00:50:21,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:50:21,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315267542] [2024-11-24 00:50:21,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:21,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:50:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:50:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1934 trivial. 0 not checked. [2024-11-24 00:50:54,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:50:54,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315267542] [2024-11-24 00:50:54,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315267542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:50:54,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:50:54,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:50:54,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58992879] [2024-11-24 00:50:54,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:50:54,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:50:54,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:50:54,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:50:54,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:50:54,846 INFO L87 Difference]: Start difference. First operand 3802 states and 5412 transitions. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-11-24 00:50:55,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:50:55,536 INFO L93 Difference]: Finished difference Result 11065 states and 15754 transitions. [2024-11-24 00:50:55,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:50:55,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 747 [2024-11-24 00:50:55,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:50:55,619 INFO L225 Difference]: With dead ends: 11065 [2024-11-24 00:50:55,619 INFO L226 Difference]: Without dead ends: 7303 [2024-11-24 00:50:55,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:50:55,644 INFO L435 NwaCegarLoop]: 3420 mSDtfsCounter, 3113 mSDsluCounter, 3258 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3113 SdHoareTripleChecker+Valid, 6678 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:50:55,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3113 Valid, 6678 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:50:55,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7303 states. [2024-11-24 00:50:56,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7303 to 7292. [2024-11-24 00:50:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7292 states, 5249 states have (on average 1.36826062107068) internal successors, (7182), 5412 states have internal predecessors, (7182), 1596 states have call successors, (1596), 449 states have call predecessors, (1596), 446 states have return successors, (1605), 1562 states have call predecessors, (1605), 1595 states have call successors, (1605) [2024-11-24 00:50:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7292 states to 7292 states and 10383 transitions. [2024-11-24 00:50:56,150 INFO L78 Accepts]: Start accepts. Automaton has 7292 states and 10383 transitions. Word has length 747 [2024-11-24 00:50:56,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:50:56,151 INFO L471 AbstractCegarLoop]: Abstraction has 7292 states and 10383 transitions. [2024-11-24 00:50:56,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 2 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-11-24 00:50:56,152 INFO L276 IsEmpty]: Start isEmpty. Operand 7292 states and 10383 transitions. [2024-11-24 00:50:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2024-11-24 00:50:56,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:50:56,227 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:50:56,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:50:56,228 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:50:56,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:56,229 INFO L85 PathProgramCache]: Analyzing trace with hash -420482985, now seen corresponding path program 1 times [2024-11-24 00:50:56,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:50:56,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926868290] [2024-11-24 00:50:56,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:56,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1962 trivial. 0 not checked. [2024-11-24 00:51:28,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:28,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926868290] [2024-11-24 00:51:28,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926868290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:28,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:28,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:51:28,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394664601] [2024-11-24 00:51:28,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:28,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:51:28,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:28,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:51:28,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:28,556 INFO L87 Difference]: Start difference. First operand 7292 states and 10383 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 2 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-11-24 00:51:29,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:51:29,449 INFO L93 Difference]: Finished difference Result 21199 states and 30198 transitions. [2024-11-24 00:51:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:51:29,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 2 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 749 [2024-11-24 00:51:29,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:51:29,605 INFO L225 Difference]: With dead ends: 21199 [2024-11-24 00:51:29,605 INFO L226 Difference]: Without dead ends: 13957 [2024-11-24 00:51:29,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:51:29,651 INFO L435 NwaCegarLoop]: 3609 mSDtfsCounter, 3210 mSDsluCounter, 3258 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3210 SdHoareTripleChecker+Valid, 6867 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:51:29,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3210 Valid, 6867 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:51:29,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13957 states. [2024-11-24 00:51:30,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13957 to 13946. [2024-11-24 00:51:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13946 states, 10027 states have (on average 1.3709983045776404) internal successors, (13747), 10346 states have internal predecessors, (13747), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-11-24 00:51:30,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13946 states to 13946 states and 19864 transitions. [2024-11-24 00:51:30,537 INFO L78 Accepts]: Start accepts. Automaton has 13946 states and 19864 transitions. Word has length 749 [2024-11-24 00:51:30,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:51:30,541 INFO L471 AbstractCegarLoop]: Abstraction has 13946 states and 19864 transitions. [2024-11-24 00:51:30,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 2 states have call successors, (81), 2 states have call predecessors, (81), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-11-24 00:51:30,542 INFO L276 IsEmpty]: Start isEmpty. Operand 13946 states and 19864 transitions. [2024-11-24 00:51:30,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-24 00:51:30,660 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:51:30,661 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:51:30,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:51:30,661 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:51:30,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:30,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1618034782, now seen corresponding path program 1 times [2024-11-24 00:51:30,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:30,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841410883] [2024-11-24 00:51:30,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:30,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:52:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2150 trivial. 0 not checked. [2024-11-24 00:52:00,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:52:00,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841410883] [2024-11-24 00:52:00,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841410883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:52:00,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:52:00,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:52:00,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652877980] [2024-11-24 00:52:00,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:52:00,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:52:00,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:52:00,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:52:00,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:52:00,458 INFO L87 Difference]: Start difference. First operand 13946 states and 19864 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2024-11-24 00:52:01,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:52:01,307 INFO L93 Difference]: Finished difference Result 27838 states and 39662 transitions. [2024-11-24 00:52:01,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:52:01,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) Word has length 811 [2024-11-24 00:52:01,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:52:01,442 INFO L225 Difference]: With dead ends: 27838 [2024-11-24 00:52:01,443 INFO L226 Difference]: Without dead ends: 13946 [2024-11-24 00:52:01,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:52:01,510 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 3319 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3319 SdHoareTripleChecker+Valid, 3321 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:52:01,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3319 Valid, 3321 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:52:01,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13946 states. [2024-11-24 00:52:02,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13946 to 13946. [2024-11-24 00:52:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13946 states, 10027 states have (on average 1.3707988431235665) internal successors, (13745), 10346 states have internal predecessors, (13745), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-11-24 00:52:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13946 states to 13946 states and 19862 transitions. [2024-11-24 00:52:02,524 INFO L78 Accepts]: Start accepts. Automaton has 13946 states and 19862 transitions. Word has length 811 [2024-11-24 00:52:02,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:52:02,528 INFO L471 AbstractCegarLoop]: Abstraction has 13946 states and 19862 transitions. [2024-11-24 00:52:02,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 2 states have call successors, (80), 2 states have call predecessors, (80), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2024-11-24 00:52:02,529 INFO L276 IsEmpty]: Start isEmpty. Operand 13946 states and 19862 transitions. [2024-11-24 00:52:02,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2024-11-24 00:52:02,604 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:52:02,605 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:02,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:52:02,605 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:52:02,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:02,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1897219452, now seen corresponding path program 1 times [2024-11-24 00:52:02,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:52:02,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554511199] [2024-11-24 00:52:02,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:02,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:52:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2741 trivial. 0 not checked. [2024-11-24 00:52:33,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:52:33,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554511199] [2024-11-24 00:52:33,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554511199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:52:33,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:52:33,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:52:33,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738471253] [2024-11-24 00:52:33,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:52:33,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:52:33,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:52:33,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:52:33,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:52:33,424 INFO L87 Difference]: Start difference. First operand 13946 states and 19862 transitions. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-11-24 00:52:34,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:52:34,176 INFO L93 Difference]: Finished difference Result 27842 states and 39666 transitions. [2024-11-24 00:52:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:52:34,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 877 [2024-11-24 00:52:34,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:52:34,282 INFO L225 Difference]: With dead ends: 27842 [2024-11-24 00:52:34,283 INFO L226 Difference]: Without dead ends: 13950 [2024-11-24 00:52:34,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:52:34,329 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 0 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6635 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:52:34,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6635 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:52:34,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13950 states. [2024-11-24 00:52:34,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13950 to 13950. [2024-11-24 00:52:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13950 states, 10031 states have (on average 1.3706509819559365) internal successors, (13749), 10350 states have internal predecessors, (13749), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-11-24 00:52:35,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13950 states to 13950 states and 19866 transitions. [2024-11-24 00:52:35,073 INFO L78 Accepts]: Start accepts. Automaton has 13950 states and 19866 transitions. Word has length 877 [2024-11-24 00:52:35,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:52:35,074 INFO L471 AbstractCegarLoop]: Abstraction has 13950 states and 19866 transitions. [2024-11-24 00:52:35,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-11-24 00:52:35,075 INFO L276 IsEmpty]: Start isEmpty. Operand 13950 states and 19866 transitions. [2024-11-24 00:52:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2024-11-24 00:52:35,134 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:52:35,135 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:52:35,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:52:35,135 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:52:35,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:35,136 INFO L85 PathProgramCache]: Analyzing trace with hash 64902133, now seen corresponding path program 1 times [2024-11-24 00:52:35,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:52:35,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36004786] [2024-11-24 00:52:35,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:35,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:53:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2741 trivial. 0 not checked. [2024-11-24 00:53:08,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:53:08,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36004786] [2024-11-24 00:53:08,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36004786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:53:08,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:53:08,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:53:08,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331541485] [2024-11-24 00:53:08,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:53:08,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:53:08,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:53:08,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:53:08,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:53:08,143 INFO L87 Difference]: Start difference. First operand 13950 states and 19866 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 2 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-11-24 00:53:08,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:53:08,672 INFO L93 Difference]: Finished difference Result 27864 states and 39720 transitions. [2024-11-24 00:53:08,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:53:08,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 2 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 880 [2024-11-24 00:53:08,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:53:08,771 INFO L225 Difference]: With dead ends: 27864 [2024-11-24 00:53:08,771 INFO L226 Difference]: Without dead ends: 13968 [2024-11-24 00:53:08,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:53:08,824 INFO L435 NwaCegarLoop]: 3320 mSDtfsCounter, 1 mSDsluCounter, 3317 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6637 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:53:08,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6637 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:53:08,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13968 states. [2024-11-24 00:53:09,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13968 to 13956. [2024-11-24 00:53:09,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13956 states, 10037 states have (on average 1.370429411178639) internal successors, (13755), 10356 states have internal predecessors, (13755), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-11-24 00:53:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13956 states to 13956 states and 19872 transitions. [2024-11-24 00:53:09,532 INFO L78 Accepts]: Start accepts. Automaton has 13956 states and 19872 transitions. Word has length 880 [2024-11-24 00:53:09,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:53:09,534 INFO L471 AbstractCegarLoop]: Abstraction has 13956 states and 19872 transitions. [2024-11-24 00:53:09,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 2 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-11-24 00:53:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 13956 states and 19872 transitions. [2024-11-24 00:53:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2024-11-24 00:53:09,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:09,585 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:09,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:53:09,586 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:09,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:09,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1616397807, now seen corresponding path program 1 times [2024-11-24 00:53:09,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:53:09,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217287155] [2024-11-24 00:53:09,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:09,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:53:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2750 trivial. 0 not checked. [2024-11-24 00:53:48,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:53:48,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217287155] [2024-11-24 00:53:48,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217287155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:53:48,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847008938] [2024-11-24 00:53:48,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:48,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:53:48,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:53:48,244 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:53:48,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:54:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:24,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 12289 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:54:24,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2024-11-24 00:54:24,646 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:54:24,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847008938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:54:24,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:54:24,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 00:54:24,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884331359] [2024-11-24 00:54:24,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:54:24,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:54:24,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:54:24,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:54:24,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:54:24,652 INFO L87 Difference]: Start difference. First operand 13956 states and 19872 transitions. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 1 states have call predecessors, (81), 1 states have call successors, (81) [2024-11-24 00:54:25,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:54:25,243 INFO L93 Difference]: Finished difference Result 13963 states and 19882 transitions. [2024-11-24 00:54:25,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:54:25,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 1 states have call predecessors, (81), 1 states have call successors, (81) Word has length 886 [2024-11-24 00:54:25,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:54:25,334 INFO L225 Difference]: With dead ends: 13963 [2024-11-24 00:54:25,334 INFO L226 Difference]: Without dead ends: 13960 [2024-11-24 00:54:25,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 889 GetRequests, 886 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:54:25,344 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 0 mSDsluCounter, 3316 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6637 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:54:25,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6637 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:54:25,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13960 states. [2024-11-24 00:54:25,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13960 to 13960. [2024-11-24 00:54:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13960 states, 10041 states have (on average 1.370281844437805) internal successors, (13759), 10360 states have internal predecessors, (13759), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-11-24 00:54:25,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13960 states to 13960 states and 19876 transitions. [2024-11-24 00:54:25,959 INFO L78 Accepts]: Start accepts. Automaton has 13960 states and 19876 transitions. Word has length 886 [2024-11-24 00:54:25,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:54:25,962 INFO L471 AbstractCegarLoop]: Abstraction has 13960 states and 19876 transitions. [2024-11-24 00:54:25,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 1 states have call predecessors, (81), 1 states have call successors, (81) [2024-11-24 00:54:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 13960 states and 19876 transitions. [2024-11-24 00:54:26,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2024-11-24 00:54:26,008 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:54:26,008 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:26,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:54:26,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-24 00:54:26,209 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:54:26,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:26,210 INFO L85 PathProgramCache]: Analyzing trace with hash 858201334, now seen corresponding path program 1 times [2024-11-24 00:54:26,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:54:26,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267093750] [2024-11-24 00:54:26,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:26,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:55:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:55:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2750 trivial. 0 not checked. [2024-11-24 00:55:03,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:55:03,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267093750] [2024-11-24 00:55:03,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267093750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:55:03,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22242538] [2024-11-24 00:55:03,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:03,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:55:03,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:55:03,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:55:03,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:55:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:55:48,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 12294 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:55:48,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:55:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 2419 trivial. 0 not checked. [2024-11-24 00:55:48,966 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:55:48,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22242538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:55:48,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:55:48,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 00:55:48,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905462275] [2024-11-24 00:55:48,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:55:48,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:55:48,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:55:48,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:55:48,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:55:48,972 INFO L87 Difference]: Start difference. First operand 13960 states and 19876 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 2 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2024-11-24 00:55:49,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:55:49,637 INFO L93 Difference]: Finished difference Result 27872 states and 39722 transitions. [2024-11-24 00:55:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:55:49,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 2 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) Word has length 888 [2024-11-24 00:55:49,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:55:49,757 INFO L225 Difference]: With dead ends: 27872 [2024-11-24 00:55:49,757 INFO L226 Difference]: Without dead ends: 13966 [2024-11-24 00:55:49,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 891 GetRequests, 888 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:55:49,823 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 0 mSDsluCounter, 3316 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6637 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:55:49,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6637 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:55:49,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13966 states. [2024-11-24 00:55:50,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13966 to 13966. [2024-11-24 00:55:50,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13966 states, 10047 states have (on average 1.3700607146411865) internal successors, (13765), 10366 states have internal predecessors, (13765), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-11-24 00:55:50,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13966 states to 13966 states and 19882 transitions. [2024-11-24 00:55:50,579 INFO L78 Accepts]: Start accepts. Automaton has 13966 states and 19882 transitions. Word has length 888 [2024-11-24 00:55:50,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:55:50,581 INFO L471 AbstractCegarLoop]: Abstraction has 13966 states and 19882 transitions. [2024-11-24 00:55:50,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 2 states have call successors, (87), 2 states have call predecessors, (87), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2024-11-24 00:55:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 13966 states and 19882 transitions. [2024-11-24 00:55:50,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2024-11-24 00:55:50,641 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:55:50,641 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:50,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:55:50,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:55:50,842 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:55:50,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:55:50,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1834631240, now seen corresponding path program 1 times [2024-11-24 00:55:50,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:55:50,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860298876] [2024-11-24 00:55:50,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:55:50,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:30,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2748 trivial. 0 not checked. [2024-11-24 00:56:30,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:30,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860298876] [2024-11-24 00:56:30,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860298876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:30,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:30,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:56:30,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819940522] [2024-11-24 00:56:30,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:30,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:56:30,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:30,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:56:30,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:56:30,474 INFO L87 Difference]: Start difference. First operand 13966 states and 19882 transitions. Second operand has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2024-11-24 00:56:34,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:56:35,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:35,940 INFO L93 Difference]: Finished difference Result 27882 states and 39702 transitions. [2024-11-24 00:56:35,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:56:35,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 888 [2024-11-24 00:56:35,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:36,073 INFO L225 Difference]: With dead ends: 27882 [2024-11-24 00:56:36,073 INFO L226 Difference]: Without dead ends: 13966 [2024-11-24 00:56:36,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:56:36,138 INFO L435 NwaCegarLoop]: 3321 mSDtfsCounter, 0 mSDsluCounter, 6636 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9957 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:36,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9957 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-24 00:56:36,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13966 states. [2024-11-24 00:56:36,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13966 to 13966. [2024-11-24 00:56:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13966 states, 10047 states have (on average 1.3698616502438539) internal successors, (13763), 10366 states have internal predecessors, (13763), 3053 states have call successors, (3053), 868 states have call predecessors, (3053), 865 states have return successors, (3064), 2991 states have call predecessors, (3064), 3052 states have call successors, (3064) [2024-11-24 00:56:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13966 states to 13966 states and 19880 transitions. [2024-11-24 00:56:36,966 INFO L78 Accepts]: Start accepts. Automaton has 13966 states and 19880 transitions. Word has length 888 [2024-11-24 00:56:36,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:36,968 INFO L471 AbstractCegarLoop]: Abstraction has 13966 states and 19880 transitions. [2024-11-24 00:56:36,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 2 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2024-11-24 00:56:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand 13966 states and 19880 transitions. [2024-11-24 00:56:37,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2024-11-24 00:56:37,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:37,035 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:37,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:56:37,036 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:37,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:37,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1607418358, now seen corresponding path program 1 times [2024-11-24 00:56:37,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:37,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236009675] [2024-11-24 00:56:37,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:37,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2763 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2750 trivial. 0 not checked. [2024-11-24 00:57:14,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:14,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236009675] [2024-11-24 00:57:14,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236009675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:57:14,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200674117] [2024-11-24 00:57:14,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:14,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:57:14,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:57:14,138 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:57:14,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63e3cd69-b4b8-45ea-acc2-32594cb02519/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process