./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/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 e39e696c5e305296de875398d473db79ec0ee86b7358a54d4e1019e138b3a6ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:13:13,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:13:13,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:13:13,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:13:13,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:13:13,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:13:13,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:13:13,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:13:13,484 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:13:13,484 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:13:13,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:13:13,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:13:13,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:13:13,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:13:13,487 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:13:13,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:13:13,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:13:13,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:13:13,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:13:13,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:13:13,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:13:13,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:13:13,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:13:13,488 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:13:13,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:13:13,488 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:13:13,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:13:13,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:13:13,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:13:13,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:13:13,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:13:13,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:13:13,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:13:13,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:13:13,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:13:13,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:13:13,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:13:13,489 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:13:13,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:13:13,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:13:13,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:13:13,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:13:13,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:13:13,492 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:13:13,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:13:13,492 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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/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 -> e39e696c5e305296de875398d473db79ec0ee86b7358a54d4e1019e138b3a6ae [2024-11-24 00:13:13,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:13:13,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:13:13,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:13:13,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:13:13,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:13:13,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i [2024-11-24 00:13:17,392 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/bin/uautomizer-verify-LYvppIcaGC/data/0fa47f427/e18c5b493af445c58914f92ade0b0801/FLAG7dc2ff8f0 [2024-11-24 00:13:18,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:13:18,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i [2024-11-24 00:13:18,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/bin/uautomizer-verify-LYvppIcaGC/data/0fa47f427/e18c5b493af445c58914f92ade0b0801/FLAG7dc2ff8f0 [2024-11-24 00:13:18,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/bin/uautomizer-verify-LYvppIcaGC/data/0fa47f427/e18c5b493af445c58914f92ade0b0801 [2024-11-24 00:13:18,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:13:18,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:13:18,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:13:18,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:13:18,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:13:18,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:13:18" (1/1) ... [2024-11-24 00:13:18,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174da2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:18, skipping insertion in model container [2024-11-24 00:13:18,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:13:18" (1/1) ... [2024-11-24 00:13:18,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:13:22,040 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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373299,373312] [2024-11-24 00:13:22,045 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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373446,373459] [2024-11-24 00:13:22,046 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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373585,373598] [2024-11-24 00:13:22,047 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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373743,373756] [2024-11-24 00:13:22,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:13:22,193 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:13:22,418 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"); [5343] [2024-11-24 00:13:22,421 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)); [5350] [2024-11-24 00:13:22,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5357] [2024-11-24 00:13:22,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5436-5437] [2024-11-24 00:13:22,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5442-5444] [2024-11-24 00:13:22,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5582] [2024-11-24 00:13:22,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5596] [2024-11-24 00:13:22,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5604] [2024-11-24 00:13:22,445 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)); [5696-5697] [2024-11-24 00:13:22,450 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)); [5730-5731] [2024-11-24 00:13:22,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5767-5768] [2024-11-24 00:13:22,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5804-5805] [2024-11-24 00:13:22,475 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" (502), "i" (12UL)); [6151-6152] [2024-11-24 00:13:22,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6158] [2024-11-24 00:13:22,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6400] [2024-11-24 00:13:22,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6403] [2024-11-24 00:13:22,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6406] [2024-11-24 00:13:22,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6409] [2024-11-24 00:13:22,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6440] [2024-11-24 00:13:22,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6443] [2024-11-24 00:13:22,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6446] [2024-11-24 00:13:22,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6449] [2024-11-24 00:13:22,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6480] [2024-11-24 00:13:22,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6483] [2024-11-24 00:13:22,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6486] [2024-11-24 00:13:22,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6489] [2024-11-24 00:13:22,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6520] [2024-11-24 00:13:22,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6523] [2024-11-24 00:13:22,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6526] [2024-11-24 00:13:22,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6529] [2024-11-24 00:13:22,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6973] [2024-11-24 00:13:22,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7387] [2024-11-24 00:13:22,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8060] [2024-11-24 00:13:22,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8079] [2024-11-24 00:13:22,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8092] [2024-11-24 00:13:22,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8097] [2024-11-24 00:13:22,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8110] [2024-11-24 00:13:22,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8122] [2024-11-24 00:13:22,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8648] [2024-11-24 00:13:22,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8650] [2024-11-24 00:13:22,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8697] [2024-11-24 00:13:22,907 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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373299,373312] [2024-11-24 00:13:22,908 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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373446,373459] [2024-11-24 00:13:22,908 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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373585,373598] [2024-11-24 00:13:22,909 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_9ae15776-335a-4dea-a447-3c5dc6bb68bd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i[373743,373756] [2024-11-24 00:13:22,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:13:23,292 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:13:23,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23 WrapperNode [2024-11-24 00:13:23,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:13:23,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:13:23,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:13:23,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:13:23,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:23,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:23,814 INFO L138 Inliner]: procedures = 469, calls = 3237, calls flagged for inlining = 278, calls inlined = 250, statements flattened = 6991 [2024-11-24 00:13:23,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:13:23,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:13:23,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:13:23,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:13:23,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:23,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:23,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:25,551 INFO L175 MemorySlicer]: Split 1805 memory accesses to 23 slices as follows [51, 10, 2, 5, 53, 981, 4, 3, 562, 5, 2, 1, 2, 8, 7, 11, 42, 2, 5, 40, 6, 1, 2]. 54 percent of accesses are in the largest equivalence class. The 1040 initializations are split as follows [0, 8, 0, 0, 0, 981, 4, 1, 6, 5, 0, 0, 0, 8, 7, 11, 0, 0, 0, 0, 6, 1, 2]. The 405 writes are split as follows [51, 0, 1, 2, 42, 0, 0, 0, 268, 0, 1, 0, 1, 0, 0, 0, 36, 1, 2, 0, 0, 0, 0]. [2024-11-24 00:13:25,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:25,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:25,781 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:25,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:25,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:25,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:25,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:26,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:13:26,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:13:26,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:13:26,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:13:26,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (1/1) ... [2024-11-24 00:13:26,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:13:26,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:13:26,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:13:26,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ae15776-335a-4dea-a447-3c5dc6bb68bd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:13:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-24 00:13:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-24 00:13:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 00:13:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 00:13:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-24 00:13:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-24 00:13:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-24 00:13:26,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-24 00:13:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 00:13:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 00:13:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-24 00:13:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-24 00:13:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2024-11-24 00:13:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2024-11-24 00:13:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-24 00:13:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-24 00:13:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-24 00:13:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-24 00:13:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-24 00:13:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-24 00:13:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-24 00:13:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-24 00:13:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-24 00:13:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-24 00:13:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2024-11-24 00:13:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2024-11-24 00:13:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-24 00:13:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-24 00:13:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-24 00:13:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-24 00:13:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-24 00:13:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-24 00:13:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-24 00:13:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-24 00:13:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2024-11-24 00:13:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2024-11-24 00:13:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-24 00:13:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-24 00:13:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 00:13:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 00:13:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-24 00:13:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-24 00:13:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-24 00:13:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-24 00:13:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-24 00:13:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-24 00:13:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 00:13:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 00:13:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-24 00:13:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-24 00:13:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:13:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2024-11-24 00:13:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2024-11-24 00:13:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2024-11-24 00:13:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2024-11-24 00:13:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 00:13:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 00:13:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-24 00:13:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-24 00:13:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-24 00:13:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-24 00:13:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-24 00:13:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-24 00:13:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_rbufs [2024-11-24 00:13:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_rbufs [2024-11-24 00:13:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-24 00:13:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-24 00:13:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:13:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:13:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:13:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:13:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:13:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:13:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-24 00:13:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 00:13:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2024-11-24 00:13:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 00:13:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 00:13:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 00:13:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 00:13:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 00:13:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 00:13:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 00:13:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-24 00:13:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-24 00:13:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-24 00:13:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-24 00:13:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-24 00:13:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-24 00:13:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-24 00:13:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-24 00:13:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-24 00:13:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2024-11-24 00:13:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2024-11-24 00:13:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2024-11-24 00:13:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2024-11-24 00:13:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-24 00:13:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-24 00:13:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-24 00:13:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-24 00:13:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2024-11-24 00:13:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2024-11-24 00:13:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown [2024-11-24 00:13:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown [2024-11-24 00:13:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:13:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 00:13:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 00:13:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-24 00:13:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-24 00:13:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-24 00:13:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-11-24 00:13:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2024-11-24 00:13:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 00:13:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 00:13:26,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 00:13:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 00:13:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 00:13:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 00:13:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 00:13:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 00:13:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 00:13:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 00:13:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 00:13:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 00:13:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 00:13:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 00:13:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 00:13:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-24 00:13:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-24 00:13:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-24 00:13:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-24 00:13:26,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-24 00:13:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-24 00:13:26,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-24 00:13:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 00:13:26,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 00:13:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-24 00:13:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-24 00:13:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2024-11-24 00:13:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2024-11-24 00:13:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:13:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:13:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2024-11-24 00:13:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2024-11-24 00:13:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-24 00:13:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-24 00:13:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-24 00:13:26,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-24 00:13:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-11-24 00:13:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-11-24 00:13:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-24 00:13:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-24 00:13:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-24 00:13:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-24 00:13:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2024-11-24 00:13:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2024-11-24 00:13:26,188 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-24 00:13:26,188 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2024-11-24 00:13:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2024-11-24 00:13:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-24 00:13:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:13:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-24 00:13:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-24 00:13:26,189 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:13:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 00:13:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 00:13:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2024-11-24 00:13:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 00:13:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-24 00:13:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 00:13:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-24 00:13:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-24 00:13:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-24 00:13:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-24 00:13:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-24 00:13:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-24 00:13:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-24 00:13:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-24 00:13:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 00:13:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 00:13:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 00:13:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 00:13:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 00:13:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 00:13:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 00:13:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 00:13:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 00:13:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 00:13:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 00:13:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 00:13:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 00:13:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 00:13:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 00:13:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-24 00:13:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-24 00:13:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-24 00:13:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-24 00:13:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-24 00:13:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-24 00:13:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-24 00:13:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-24 00:13:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2024-11-24 00:13:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2024-11-24 00:13:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2024-11-24 00:13:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2024-11-24 00:13:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 00:13:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 00:13:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one [2024-11-24 00:13:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one [2024-11-24 00:13:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-11-24 00:13:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-11-24 00:13:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-24 00:13:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-24 00:13:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2024-11-24 00:13:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2024-11-24 00:13:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-24 00:13:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-24 00:13:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:13:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-24 00:13:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-24 00:13:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-24 00:13:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-24 00:13:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2024-11-24 00:13:26,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 00:13:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2024-11-24 00:13:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2024-11-24 00:13:26,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 00:13:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2024-11-24 00:13:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 00:13:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2024-11-24 00:13:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 00:13:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-11-24 00:13:26,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-11-24 00:13:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 00:13:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 00:13:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2024-11-24 00:13:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2024-11-24 00:13:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2024-11-24 00:13:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2024-11-24 00:13:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-24 00:13:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-24 00:13:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-24 00:13:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-24 00:13:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-24 00:13:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-24 00:13:26,210 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-24 00:13:26,210 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-24 00:13:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 00:13:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-24 00:13:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-24 00:13:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-24 00:13:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 00:13:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2024-11-24 00:13:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2024-11-24 00:13:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-24 00:13:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2024-11-24 00:13:26,211 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:13:26,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-24 00:13:26,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-24 00:13:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-24 00:13:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-24 00:13:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 00:13:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 00:13:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2024-11-24 00:13:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2024-11-24 00:13:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-24 00:13:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-24 00:13:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2024-11-24 00:13:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2024-11-24 00:13:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2024-11-24 00:13:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2024-11-24 00:13:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2024-11-24 00:13:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2024-11-24 00:13:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2024-11-24 00:13:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2024-11-24 00:13:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2024-11-24 00:13:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2024-11-24 00:13:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 00:13:26,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 00:13:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-24 00:13:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-24 00:13:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-24 00:13:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-24 00:13:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2024-11-24 00:13:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2024-11-24 00:13:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2024-11-24 00:13:26,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-24 00:13:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-24 00:13:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:13:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2024-11-24 00:13:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2024-11-24 00:13:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2024-11-24 00:13:26,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 00:13:26,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 00:13:27,830 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:13:27,837 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:13:27,873 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 00:13:45,227 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 00:13:46,601 INFO L? ?]: Removed 2864 outVars from TransFormulas that were not future-live. [2024-11-24 00:13:46,601 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:13:46,671 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:13:46,671 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-24 00:13:46,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:13:46 BoogieIcfgContainer [2024-11-24 00:13:46,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:13:46,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:13:46,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:13:46,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:13:46,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:13:18" (1/3) ... [2024-11-24 00:13:46,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d097f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:13:46, skipping insertion in model container [2024-11-24 00:13:46,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:23" (2/3) ... [2024-11-24 00:13:46,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d097f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:13:46, skipping insertion in model container [2024-11-24 00:13:46,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:13:46" (3/3) ... [2024-11-24 00:13:46,685 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i [2024-11-24 00:13:46,705 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:13:46,709 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i that has 152 procedures, 2630 locations, 1 initial locations, 23 loop locations, and 2 error locations. [2024-11-24 00:13:46,892 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:13:46,908 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;@3483fd5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:13:46,908 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-24 00:13:46,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 2544 states, 1803 states have (on average 1.3155851358846367) internal successors, (2372), 1850 states have internal predecessors, (2372), 611 states have call successors, (611), 130 states have call predecessors, (611), 129 states have return successors, (602), 591 states have call predecessors, (602), 602 states have call successors, (602) [2024-11-24 00:13:46,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-24 00:13:46,952 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:13:46,954 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:13:46,955 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:13:46,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:13:46,961 INFO L85 PathProgramCache]: Analyzing trace with hash 682955970, now seen corresponding path program 1 times [2024-11-24 00:13:46,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:13:46,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590000093] [2024-11-24 00:13:46,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:13:46,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:13:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:13:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-24 00:13:58,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:13:58,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590000093] [2024-11-24 00:13:58,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590000093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:13:58,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:13:58,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:13:58,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915868229] [2024-11-24 00:13:58,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:13:58,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:13:58,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:13:58,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:13:58,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:13:58,749 INFO L87 Difference]: Start difference. First operand has 2544 states, 1803 states have (on average 1.3155851358846367) internal successors, (2372), 1850 states have internal predecessors, (2372), 611 states have call successors, (611), 130 states have call predecessors, (611), 129 states have return successors, (602), 591 states have call predecessors, (602), 602 states have call successors, (602) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-24 00:14:02,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:14:04,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:14:04,260 INFO L93 Difference]: Finished difference Result 7402 states and 10599 transitions. [2024-11-24 00:14:04,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:14:04,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 183 [2024-11-24 00:14:04,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:14:04,359 INFO L225 Difference]: With dead ends: 7402 [2024-11-24 00:14:04,359 INFO L226 Difference]: Without dead ends: 4877 [2024-11-24 00:14:04,396 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 00:14:04,402 INFO L435 NwaCegarLoop]: 3516 mSDtfsCounter, 3368 mSDsluCounter, 3427 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3368 SdHoareTripleChecker+Valid, 6943 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:14:04,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3368 Valid, 6943 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-24 00:14:04,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2024-11-24 00:14:04,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4875. [2024-11-24 00:14:04,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4875 states, 3465 states have (on average 1.2949494949494949) internal successors, (4487), 3548 states have internal predecessors, (4487), 1155 states have call successors, (1155), 254 states have call predecessors, (1155), 253 states have return successors, (1152), 1130 states have call predecessors, (1152), 1152 states have call successors, (1152) [2024-11-24 00:14:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4875 states to 4875 states and 6794 transitions. [2024-11-24 00:14:05,033 INFO L78 Accepts]: Start accepts. Automaton has 4875 states and 6794 transitions. Word has length 183 [2024-11-24 00:14:05,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:14:05,034 INFO L471 AbstractCegarLoop]: Abstraction has 4875 states and 6794 transitions. [2024-11-24 00:14:05,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-24 00:14:05,034 INFO L276 IsEmpty]: Start isEmpty. Operand 4875 states and 6794 transitions. [2024-11-24 00:14:05,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-24 00:14:05,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:14:05,065 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:14:05,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:14:05,066 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:14:05,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:14:05,066 INFO L85 PathProgramCache]: Analyzing trace with hash 778991274, now seen corresponding path program 1 times [2024-11-24 00:14:05,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:14:05,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866271531] [2024-11-24 00:14:05,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:14:05,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:14:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:14:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-24 00:14:17,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:14:17,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866271531] [2024-11-24 00:14:17,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866271531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:14:17,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:14:17,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:14:17,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525967275] [2024-11-24 00:14:17,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:14:17,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:14:17,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:14:17,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:14:17,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:14:17,010 INFO L87 Difference]: Start difference. First operand 4875 states and 6794 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 00:14:21,252 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 00:14:23,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:14:23,310 INFO L93 Difference]: Finished difference Result 11440 states and 15903 transitions. [2024-11-24 00:14:23,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:14:23,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 204 [2024-11-24 00:14:23,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:14:23,381 INFO L225 Difference]: With dead ends: 11440 [2024-11-24 00:14:23,381 INFO L226 Difference]: Without dead ends: 6598 [2024-11-24 00:14:23,405 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 00:14:23,407 INFO L435 NwaCegarLoop]: 3546 mSDtfsCounter, 2856 mSDsluCounter, 3407 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2856 SdHoareTripleChecker+Valid, 6953 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:14:23,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2856 Valid, 6953 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-24 00:14:23,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6598 states. [2024-11-24 00:14:23,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6598 to 6589. [2024-11-24 00:14:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6589 states, 4678 states have (on average 1.2894399315946985) internal successors, (6032), 4791 states have internal predecessors, (6032), 1544 states have call successors, (1544), 367 states have call predecessors, (1544), 365 states have return successors, (1541), 1505 states have call predecessors, (1541), 1541 states have call successors, (1541) [2024-11-24 00:14:23,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6589 states to 6589 states and 9117 transitions. [2024-11-24 00:14:23,819 INFO L78 Accepts]: Start accepts. Automaton has 6589 states and 9117 transitions. Word has length 204 [2024-11-24 00:14:23,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:14:23,821 INFO L471 AbstractCegarLoop]: Abstraction has 6589 states and 9117 transitions. [2024-11-24 00:14:23,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 00:14:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 6589 states and 9117 transitions. [2024-11-24 00:14:23,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-24 00:14:23,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:14:23,832 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 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] [2024-11-24 00:14:23,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:14:23,832 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:14:23,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:14:23,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1770860343, now seen corresponding path program 1 times [2024-11-24 00:14:23,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:14:23,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559486447] [2024-11-24 00:14:23,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:14:23,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:14:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:14:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-24 00:14:33,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:14:33,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559486447] [2024-11-24 00:14:33,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559486447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:14:33,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:14:33,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:14:33,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665648154] [2024-11-24 00:14:33,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:14:33,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:14:33,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:14:33,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:14:33,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:14:33,745 INFO L87 Difference]: Start difference. First operand 6589 states and 9117 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-24 00:14:37,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:14:39,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:14:39,609 INFO L93 Difference]: Finished difference Result 17462 states and 24168 transitions. [2024-11-24 00:14:39,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:14:39,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 215 [2024-11-24 00:14:39,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:14:39,714 INFO L225 Difference]: With dead ends: 17462 [2024-11-24 00:14:39,715 INFO L226 Difference]: Without dead ends: 10906 [2024-11-24 00:14:39,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:14:39,756 INFO L435 NwaCegarLoop]: 3487 mSDtfsCounter, 3306 mSDsluCounter, 3430 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3306 SdHoareTripleChecker+Valid, 6917 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:14:39,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3306 Valid, 6917 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-24 00:14:39,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2024-11-24 00:14:40,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 10893. [2024-11-24 00:14:40,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10893 states, 7745 states have (on average 1.2883150419625564) internal successors, (9978), 7942 states have internal predecessors, (9978), 2541 states have call successors, (2541), 608 states have call predecessors, (2541), 605 states have return successors, (2538), 2469 states have call predecessors, (2538), 2538 states have call successors, (2538) [2024-11-24 00:14:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10893 states to 10893 states and 15057 transitions. [2024-11-24 00:14:40,649 INFO L78 Accepts]: Start accepts. Automaton has 10893 states and 15057 transitions. Word has length 215 [2024-11-24 00:14:40,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:14:40,651 INFO L471 AbstractCegarLoop]: Abstraction has 10893 states and 15057 transitions. [2024-11-24 00:14:40,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-24 00:14:40,651 INFO L276 IsEmpty]: Start isEmpty. Operand 10893 states and 15057 transitions. [2024-11-24 00:14:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-24 00:14:40,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:14:40,670 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 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] [2024-11-24 00:14:40,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:14:40,670 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:14:40,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:14:40,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1354079795, now seen corresponding path program 1 times [2024-11-24 00:14:40,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:14:40,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845196872] [2024-11-24 00:14:40,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:14:40,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:14:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:14:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2024-11-24 00:14:51,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:14:51,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845196872] [2024-11-24 00:14:51,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845196872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:14:51,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:14:51,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:14:51,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427567272] [2024-11-24 00:14:51,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:14:51,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:14:51,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:14:51,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:14:51,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:14:51,137 INFO L87 Difference]: Start difference. First operand 10893 states and 15057 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-24 00:14:55,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:14:56,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:14:56,670 INFO L93 Difference]: Finished difference Result 28470 states and 39397 transitions. [2024-11-24 00:14:56,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:14:56,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 250 [2024-11-24 00:14:56,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:14:56,871 INFO L225 Difference]: With dead ends: 28470 [2024-11-24 00:14:56,871 INFO L226 Difference]: Without dead ends: 19521 [2024-11-24 00:14:56,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:14:56,927 INFO L435 NwaCegarLoop]: 6393 mSDtfsCounter, 3311 mSDsluCounter, 3444 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3311 SdHoareTripleChecker+Valid, 9837 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:14:56,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3311 Valid, 9837 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-24 00:14:56,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19521 states. [2024-11-24 00:14:57,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19521 to 19519. [2024-11-24 00:14:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19519 states, 13897 states have (on average 1.2893430236741743) internal successors, (17918), 14240 states have internal predecessors, (17918), 4536 states have call successors, (4536), 1087 states have call predecessors, (4536), 1084 states have return successors, (4533), 4422 states have call predecessors, (4533), 4533 states have call successors, (4533) [2024-11-24 00:14:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19519 states to 19519 states and 26987 transitions. [2024-11-24 00:14:58,129 INFO L78 Accepts]: Start accepts. Automaton has 19519 states and 26987 transitions. Word has length 250 [2024-11-24 00:14:58,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:14:58,130 INFO L471 AbstractCegarLoop]: Abstraction has 19519 states and 26987 transitions. [2024-11-24 00:14:58,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-24 00:14:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 19519 states and 26987 transitions. [2024-11-24 00:14:58,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-24 00:14:58,147 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:14:58,148 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 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] [2024-11-24 00:14:58,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:14:58,148 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:14:58,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:14:58,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1416119409, now seen corresponding path program 1 times [2024-11-24 00:14:58,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:14:58,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766201035] [2024-11-24 00:14:58,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:14:58,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2024-11-24 00:15:11,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:11,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766201035] [2024-11-24 00:15:11,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766201035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:11,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:15:11,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:15:11,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818456894] [2024-11-24 00:15:11,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:11,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:15:11,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:11,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:15:11,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:15:11,449 INFO L87 Difference]: Start difference. First operand 19519 states and 26987 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 00:15:12,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:12,470 INFO L93 Difference]: Finished difference Result 19519 states and 26987 transitions. [2024-11-24 00:15:12,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:15:12,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 250 [2024-11-24 00:15:12,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:12,608 INFO L225 Difference]: With dead ends: 19519 [2024-11-24 00:15:12,609 INFO L226 Difference]: Without dead ends: 19464 [2024-11-24 00:15:12,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:15:12,629 INFO L435 NwaCegarLoop]: 3473 mSDtfsCounter, 3401 mSDsluCounter, 3473 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3401 SdHoareTripleChecker+Valid, 6946 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:12,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3401 Valid, 6946 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:15:12,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19464 states. [2024-11-24 00:15:13,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19464 to 19464. [2024-11-24 00:15:14,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19464 states, 13872 states have (on average 1.2889994232987312) internal successors, (17881), 14203 states have internal predecessors, (17881), 4509 states have call successors, (4509), 1082 states have call predecessors, (4509), 1082 states have return successors, (4509), 4409 states have call predecessors, (4509), 4509 states have call successors, (4509) [2024-11-24 00:15:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19464 states to 19464 states and 26899 transitions. [2024-11-24 00:15:14,230 INFO L78 Accepts]: Start accepts. Automaton has 19464 states and 26899 transitions. Word has length 250 [2024-11-24 00:15:14,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:14,237 INFO L471 AbstractCegarLoop]: Abstraction has 19464 states and 26899 transitions. [2024-11-24 00:15:14,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 00:15:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 19464 states and 26899 transitions. [2024-11-24 00:15:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-24 00:15:14,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:14,317 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 5, 5, 5, 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] [2024-11-24 00:15:14,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:15:14,321 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:14,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:14,322 INFO L85 PathProgramCache]: Analyzing trace with hash 349369794, now seen corresponding path program 1 times [2024-11-24 00:15:14,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:14,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504314400] [2024-11-24 00:15:14,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:14,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2024-11-24 00:15:25,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:25,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504314400] [2024-11-24 00:15:25,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504314400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:25,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:15:25,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:15:25,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016074109] [2024-11-24 00:15:25,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:25,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:15:25,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:25,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:15:25,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:15:25,949 INFO L87 Difference]: Start difference. First operand 19464 states and 26899 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-24 00:15:30,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:15:32,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:32,430 INFO L93 Difference]: Finished difference Result 44984 states and 62175 transitions. [2024-11-24 00:15:32,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:15:32,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 279 [2024-11-24 00:15:32,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:32,628 INFO L225 Difference]: With dead ends: 44984 [2024-11-24 00:15:32,628 INFO L226 Difference]: Without dead ends: 27464 [2024-11-24 00:15:32,709 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 00:15:32,710 INFO L435 NwaCegarLoop]: 6108 mSDtfsCounter, 2822 mSDsluCounter, 3380 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 9488 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:32,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2822 Valid, 9488 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-11-24 00:15:32,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27464 states. [2024-11-24 00:15:34,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27464 to 27460. [2024-11-24 00:15:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27460 states, 19564 states have (on average 1.28782457575138) internal successors, (25195), 20031 states have internal predecessors, (25195), 6347 states have call successors, (6347), 1548 states have call predecessors, (6347), 1548 states have return successors, (6347), 6203 states have call predecessors, (6347), 6347 states have call successors, (6347) [2024-11-24 00:15:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27460 states to 27460 states and 37889 transitions. [2024-11-24 00:15:35,096 INFO L78 Accepts]: Start accepts. Automaton has 27460 states and 37889 transitions. Word has length 279 [2024-11-24 00:15:35,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:35,097 INFO L471 AbstractCegarLoop]: Abstraction has 27460 states and 37889 transitions. [2024-11-24 00:15:35,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-24 00:15:35,098 INFO L276 IsEmpty]: Start isEmpty. Operand 27460 states and 37889 transitions. [2024-11-24 00:15:35,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-24 00:15:35,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:35,316 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 14, 14, 14, 6, 6, 6, 3, 3, 3, 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] [2024-11-24 00:15:35,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:15:35,317 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:35,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:35,317 INFO L85 PathProgramCache]: Analyzing trace with hash 81659633, now seen corresponding path program 1 times [2024-11-24 00:15:35,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:35,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255465728] [2024-11-24 00:15:35,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:35,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:15:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:15:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1119 trivial. 0 not checked. [2024-11-24 00:15:47,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:15:47,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255465728] [2024-11-24 00:15:47,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255465728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:15:47,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:15:47,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:15:47,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635347145] [2024-11-24 00:15:47,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:15:47,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:15:47,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:15:47,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:15:47,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:15:47,330 INFO L87 Difference]: Start difference. First operand 27460 states and 37889 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-24 00:15:51,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:15:53,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:15:53,386 INFO L93 Difference]: Finished difference Result 65543 states and 90475 transitions. [2024-11-24 00:15:53,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:15:53,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 304 [2024-11-24 00:15:53,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:15:53,800 INFO L225 Difference]: With dead ends: 65543 [2024-11-24 00:15:53,800 INFO L226 Difference]: Without dead ends: 38057 [2024-11-24 00:15:53,893 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 00:15:53,894 INFO L435 NwaCegarLoop]: 6757 mSDtfsCounter, 3307 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3307 SdHoareTripleChecker+Valid, 10179 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:15:53,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3307 Valid, 10179 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-24 00:15:53,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38057 states. [2024-11-24 00:15:55,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38057 to 38055. [2024-11-24 00:15:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38055 states, 27104 states have (on average 1.2885182998819362) internal successors, (34924), 27750 states have internal predecessors, (34924), 8805 states have call successors, (8805), 2145 states have call predecessors, (8805), 2145 states have return successors, (8805), 8609 states have call predecessors, (8805), 8805 states have call successors, (8805) [2024-11-24 00:15:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38055 states to 38055 states and 52534 transitions. [2024-11-24 00:15:55,864 INFO L78 Accepts]: Start accepts. Automaton has 38055 states and 52534 transitions. Word has length 304 [2024-11-24 00:15:55,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:15:55,865 INFO L471 AbstractCegarLoop]: Abstraction has 38055 states and 52534 transitions. [2024-11-24 00:15:55,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-24 00:15:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 38055 states and 52534 transitions. [2024-11-24 00:15:55,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-24 00:15:55,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:15:55,953 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 14, 14, 14, 14, 14, 14, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-24 00:15:55,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:15:55,955 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:15:55,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:15:55,956 INFO L85 PathProgramCache]: Analyzing trace with hash 984478435, now seen corresponding path program 1 times [2024-11-24 00:15:55,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:15:55,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873191052] [2024-11-24 00:15:55,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:15:55,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 1271 trivial. 0 not checked. [2024-11-24 00:16:08,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:16:08,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873191052] [2024-11-24 00:16:08,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873191052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:16:08,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:16:08,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:16:08,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799143227] [2024-11-24 00:16:08,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:16:08,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:16:08,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:16:08,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:16:08,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:16:08,455 INFO L87 Difference]: Start difference. First operand 38055 states and 52534 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-24 00:16:12,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:16:14,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:16:14,663 INFO L93 Difference]: Finished difference Result 86697 states and 119699 transitions. [2024-11-24 00:16:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:16:14,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 330 [2024-11-24 00:16:14,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:16:15,207 INFO L225 Difference]: With dead ends: 86697 [2024-11-24 00:16:15,207 INFO L226 Difference]: Without dead ends: 48652 [2024-11-24 00:16:15,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:16:15,357 INFO L435 NwaCegarLoop]: 6757 mSDtfsCounter, 3305 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 10179 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:16:15,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 10179 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 00:16:15,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48652 states. [2024-11-24 00:16:17,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48652 to 38055. [2024-11-24 00:16:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38055 states, 27104 states have (on average 1.2884814049586777) internal successors, (34923), 27750 states have internal predecessors, (34923), 8805 states have call successors, (8805), 2145 states have call predecessors, (8805), 2145 states have return successors, (8805), 8609 states have call predecessors, (8805), 8805 states have call successors, (8805) [2024-11-24 00:16:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38055 states to 38055 states and 52533 transitions. [2024-11-24 00:16:18,358 INFO L78 Accepts]: Start accepts. Automaton has 38055 states and 52533 transitions. Word has length 330 [2024-11-24 00:16:18,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:16:18,360 INFO L471 AbstractCegarLoop]: Abstraction has 38055 states and 52533 transitions. [2024-11-24 00:16:18,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-24 00:16:18,360 INFO L276 IsEmpty]: Start isEmpty. Operand 38055 states and 52533 transitions. [2024-11-24 00:16:18,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-24 00:16:18,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:16:18,451 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 14, 14, 14, 14, 14, 14, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-24 00:16:18,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:16:18,451 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:16:18,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:18,453 INFO L85 PathProgramCache]: Analyzing trace with hash -158024031, now seen corresponding path program 1 times [2024-11-24 00:16:18,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:16:18,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176407427] [2024-11-24 00:16:18,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:18,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2024-11-24 00:16:30,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:16:30,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176407427] [2024-11-24 00:16:30,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176407427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:16:30,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:16:30,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:16:30,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960372200] [2024-11-24 00:16:30,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:16:30,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:16:30,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:16:30,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:16:30,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:16:30,569 INFO L87 Difference]: Start difference. First operand 38055 states and 52533 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-24 00:16:34,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:16:37,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:16:37,839 INFO L93 Difference]: Finished difference Result 92810 states and 128169 transitions. [2024-11-24 00:16:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:16:37,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 330 [2024-11-24 00:16:37,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:16:38,211 INFO L225 Difference]: With dead ends: 92810 [2024-11-24 00:16:38,211 INFO L226 Difference]: Without dead ends: 56699 [2024-11-24 00:16:38,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:16:38,344 INFO L435 NwaCegarLoop]: 6727 mSDtfsCounter, 3275 mSDsluCounter, 3397 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3275 SdHoareTripleChecker+Valid, 10124 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:16:38,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3275 Valid, 10124 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 54 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-24 00:16:38,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56699 states. [2024-11-24 00:16:41,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56699 to 56691. [2024-11-24 00:16:41,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56691 states, 40388 states have (on average 1.2880806180053481) internal successors, (52023), 41360 states have internal predecessors, (52023), 13101 states have call successors, (13101), 3201 states have call predecessors, (13101), 3201 states have return successors, (13101), 12804 states have call predecessors, (13101), 13101 states have call successors, (13101) [2024-11-24 00:16:42,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56691 states to 56691 states and 78225 transitions. [2024-11-24 00:16:42,332 INFO L78 Accepts]: Start accepts. Automaton has 56691 states and 78225 transitions. Word has length 330 [2024-11-24 00:16:42,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:16:42,338 INFO L471 AbstractCegarLoop]: Abstraction has 56691 states and 78225 transitions. [2024-11-24 00:16:42,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-24 00:16:42,338 INFO L276 IsEmpty]: Start isEmpty. Operand 56691 states and 78225 transitions. [2024-11-24 00:16:42,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-24 00:16:42,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:16:42,569 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:16:42,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:16:42,569 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:16:42,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:42,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1099288470, now seen corresponding path program 1 times [2024-11-24 00:16:42,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:16:42,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448557317] [2024-11-24 00:16:42,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:42,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1274 trivial. 0 not checked. [2024-11-24 00:16:54,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:16:54,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448557317] [2024-11-24 00:16:54,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448557317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:16:54,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:16:54,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:16:54,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632138461] [2024-11-24 00:16:54,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:16:54,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:16:54,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:16:54,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:16:54,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:16:54,575 INFO L87 Difference]: Start difference. First operand 56691 states and 78225 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-24 00:16:58,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:17:02,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:17:02,763 INFO L93 Difference]: Finished difference Result 129107 states and 178167 transitions. [2024-11-24 00:17:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:17:02,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 353 [2024-11-24 00:17:02,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:17:03,294 INFO L225 Difference]: With dead ends: 129107 [2024-11-24 00:17:03,294 INFO L226 Difference]: Without dead ends: 72452 [2024-11-24 00:17:03,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:17:03,506 INFO L435 NwaCegarLoop]: 6273 mSDtfsCounter, 2827 mSDsluCounter, 3387 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2827 SdHoareTripleChecker+Valid, 9660 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:17:03,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2827 Valid, 9660 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-24 00:17:03,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72452 states. [2024-11-24 00:17:06,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72452 to 72447. [2024-11-24 00:17:06,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72447 states, 51604 states have (on average 1.2875164715913494) internal successors, (66441), 52847 states have internal predecessors, (66441), 16723 states have call successors, (16723), 4119 states have call predecessors, (16723), 4119 states have return successors, (16723), 16339 states have call predecessors, (16723), 16723 states have call successors, (16723) [2024-11-24 00:17:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72447 states to 72447 states and 99887 transitions. [2024-11-24 00:17:07,071 INFO L78 Accepts]: Start accepts. Automaton has 72447 states and 99887 transitions. Word has length 353 [2024-11-24 00:17:07,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:17:07,072 INFO L471 AbstractCegarLoop]: Abstraction has 72447 states and 99887 transitions. [2024-11-24 00:17:07,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-24 00:17:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 72447 states and 99887 transitions. [2024-11-24 00:17:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-24 00:17:07,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:17:07,189 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 14, 14, 14, 14, 14, 14, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:17:07,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:17:07,190 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:17:07,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:17:07,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1452376852, now seen corresponding path program 1 times [2024-11-24 00:17:07,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:17:07,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536735047] [2024-11-24 00:17:07,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:17:07,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:17:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:17:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1298 trivial. 0 not checked. [2024-11-24 00:17:19,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:17:19,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536735047] [2024-11-24 00:17:19,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536735047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:17:19,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:17:19,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:17:19,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492619784] [2024-11-24 00:17:19,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:17:19,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:17:19,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:17:19,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:17:19,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:17:19,350 INFO L87 Difference]: Start difference. First operand 72447 states and 99887 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-24 00:17:22,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:17:22,014 INFO L93 Difference]: Finished difference Result 72447 states and 99887 transitions. [2024-11-24 00:17:22,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:17:22,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 353 [2024-11-24 00:17:22,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:17:22,087 INFO L225 Difference]: With dead ends: 72447 [2024-11-24 00:17:22,087 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:17:22,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:17:22,342 INFO L435 NwaCegarLoop]: 3443 mSDtfsCounter, 3329 mSDsluCounter, 3442 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3329 SdHoareTripleChecker+Valid, 6885 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:17:22,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3329 Valid, 6885 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:17:22,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:17:22,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:17:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:17:22,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:17:22,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 353 [2024-11-24 00:17:22,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:17:22,408 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:17:22,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-24 00:17:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:17:22,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:17:22,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-24 00:17:22,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-24 00:17:22,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:17:22,423 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:17:22,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:19:57,091 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 185 DAG size of output: 3 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:21:24,937 WARN L286 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 185 DAG size of output: 3 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 00:21:53,892 WARN L286 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 185 DAG size of output: 3 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)