./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.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_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3151b52776d19e2fb44a194d473cc3c38f1eb2b68210144e38eb8a78a9b4d4f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:36,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:36,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:30:36,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:36,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:36,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:36,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:36,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:36,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:36,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:36,845 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:36,846 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:36,846 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:36,847 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:30:36,848 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:36,848 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:36,849 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:30:36,850 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:30:36,850 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:36,851 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:30:36,852 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:30:36,852 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:30:36,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:36,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:36,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:30:36,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:36,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:36,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:36,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:36,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:36,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:36,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:36,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:36,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:36,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:36,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:36,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:36,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:36,861 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:30:36,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:30:36,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:36,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:36,863 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:36,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:36,864 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3151b52776d19e2fb44a194d473cc3c38f1eb2b68210144e38eb8a78a9b4d4f9 [2023-11-23 21:30:37,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:37,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:37,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:37,157 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:37,157 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:37,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i [2023-11-23 21:30:40,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:41,248 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:41,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i [2023-11-23 21:30:41,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/data/858da6ca3/b767e92eba7148429ab0dc1c70ecb6bd/FLAG21301e99d [2023-11-23 21:30:41,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/data/858da6ca3/b767e92eba7148429ab0dc1c70ecb6bd [2023-11-23 21:30:41,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:41,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:41,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:41,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:41,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:41,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:41" (1/1) ... [2023-11-23 21:30:41,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573be3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:41, skipping insertion in model container [2023-11-23 21:30:41,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:41" (1/1) ... [2023-11-23 21:30:41,589 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:45,055 WARN L240 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_91dca7f0-05d3-4afb-b602-9addca997114/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] [2023-11-23 21:30:45,060 WARN L240 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_91dca7f0-05d3-4afb-b602-9addca997114/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] [2023-11-23 21:30:45,061 WARN L240 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_91dca7f0-05d3-4afb-b602-9addca997114/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] [2023-11-23 21:30:45,061 WARN L240 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_91dca7f0-05d3-4afb-b602-9addca997114/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] [2023-11-23 21:30:45,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:45,207 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:45,402 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] [2023-11-23 21:30:45,404 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] [2023-11-23 21:30:45,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5357] [2023-11-23 21:30:45,410 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] [2023-11-23 21:30:45,410 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] [2023-11-23 21:30:45,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5582] [2023-11-23 21:30:45,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5596] [2023-11-23 21:30:45,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5604] [2023-11-23 21:30:45,423 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] [2023-11-23 21:30:45,426 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] [2023-11-23 21:30:45,428 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] [2023-11-23 21:30:45,430 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] [2023-11-23 21:30:45,443 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] [2023-11-23 21:30:45,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6158] [2023-11-23 21:30:45,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6400] [2023-11-23 21:30:45,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6403] [2023-11-23 21:30:45,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6406] [2023-11-23 21:30:45,452 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6409] [2023-11-23 21:30:45,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6440] [2023-11-23 21:30:45,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6443] [2023-11-23 21:30:45,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6446] [2023-11-23 21:30:45,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6449] [2023-11-23 21:30:45,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6480] [2023-11-23 21:30:45,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6483] [2023-11-23 21:30:45,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6486] [2023-11-23 21:30:45,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6489] [2023-11-23 21:30:45,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6520] [2023-11-23 21:30:45,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6523] [2023-11-23 21:30:45,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6526] [2023-11-23 21:30:45,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6529] [2023-11-23 21:30:45,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6973] [2023-11-23 21:30:45,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7387] [2023-11-23 21:30:45,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8060] [2023-11-23 21:30:45,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8079] [2023-11-23 21:30:45,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8092] [2023-11-23 21:30:45,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8097] [2023-11-23 21:30:45,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8110] [2023-11-23 21:30:45,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8122] [2023-11-23 21:30:45,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8648] [2023-11-23 21:30:45,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8650] [2023-11-23 21:30:45,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8697] [2023-11-23 21:30:45,806 WARN L240 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_91dca7f0-05d3-4afb-b602-9addca997114/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] [2023-11-23 21:30:45,806 WARN L240 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_91dca7f0-05d3-4afb-b602-9addca997114/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] [2023-11-23 21:30:45,807 WARN L240 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_91dca7f0-05d3-4afb-b602-9addca997114/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] [2023-11-23 21:30:45,807 WARN L240 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_91dca7f0-05d3-4afb-b602-9addca997114/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] [2023-11-23 21:30:45,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:46,122 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:30:46,123 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:30:46,131 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:46,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46 WrapperNode [2023-11-23 21:30:46,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:46,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:46,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:46,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:46,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (1/1) ... [2023-11-23 21:30:46,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (1/1) ... [2023-11-23 21:30:46,553 INFO L138 Inliner]: procedures = 469, calls = 2681, calls flagged for inlining = 277, calls inlined = 249, statements flattened = 6369 [2023-11-23 21:30:46,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:46,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:46,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:46,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:46,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (1/1) ... [2023-11-23 21:30:46,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (1/1) ... [2023-11-23 21:30:46,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (1/1) ... [2023-11-23 21:30:46,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (1/1) ... [2023-11-23 21:30:46,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (1/1) ... [2023-11-23 21:30:46,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (1/1) ... [2023-11-23 21:30:46,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (1/1) ... [2023-11-23 21:30:46,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (1/1) ... [2023-11-23 21:30:46,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:46,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:46,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:46,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:46,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (1/1) ... [2023-11-23 21:30:46,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:47,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:47,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:47,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91dca7f0-05d3-4afb-b602-9addca997114/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:30:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:30:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:30:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:30:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-23 21:30:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-23 21:30:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:30:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:30:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:30:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:30:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:30:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:30:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2023-11-23 21:30:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2023-11-23 21:30:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-23 21:30:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-23 21:30:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:30:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:30:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-23 21:30:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-23 21:30:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:30:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:30:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-23 21:30:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-23 21:30:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2023-11-23 21:30:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2023-11-23 21:30:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-23 21:30:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-23 21:30:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:30:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:30:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 21:30:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 21:30:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-23 21:30:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-23 21:30:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2023-11-23 21:30:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2023-11-23 21:30:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:30:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:30:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:30:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:30:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:30:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:30:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 21:30:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 21:30:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:30:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:30:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:30:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:30:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:30:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:30:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:30:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 21:30:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 21:30:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2023-11-23 21:30:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2023-11-23 21:30:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:30:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:30:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:30:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:30:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:30:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:30:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-23 21:30:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-23 21:30:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_rbufs [2023-11-23 21:30:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_rbufs [2023-11-23 21:30:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:30:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:30:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:30:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:30:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:30:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2023-11-23 21:30:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2023-11-23 21:30:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:30:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:30:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:30:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:30:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:30:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:30:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:30:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2023-11-23 21:30:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2023-11-23 21:30:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-23 21:30:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-23 21:30:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:30:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:30:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:30:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:30:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2023-11-23 21:30:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2023-11-23 21:30:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown [2023-11-23 21:30:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown [2023-11-23 21:30:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:30:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:30:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:30:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:30:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:30:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:30:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:30:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-23 21:30:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-23 21:30:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2023-11-23 21:30:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2023-11-23 21:30:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:30:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:30:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:30:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:30:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:30:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:30:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-23 21:30:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-23 21:30:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:30:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:30:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:30:47,108 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:30:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2023-11-23 21:30:47,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2023-11-23 21:30:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:30:47,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:30:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2023-11-23 21:30:47,109 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2023-11-23 21:30:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-23 21:30:47,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-23 21:30:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:30:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:30:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-23 21:30:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-23 21:30:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:30:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:30:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:30:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:30:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2023-11-23 21:30:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2023-11-23 21:30:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:30:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:30:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2023-11-23 21:30:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2023-11-23 21:30:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2023-11-23 21:30:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2023-11-23 21:30:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-23 21:30:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-23 21:30:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-23 21:30:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-23 21:30:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:30:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:30:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:30:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:30:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:30:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-23 21:30:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2023-11-23 21:30:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2023-11-23 21:30:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:30:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:30:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:30:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:30:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:30:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:30:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2023-11-23 21:30:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2023-11-23 21:30:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2023-11-23 21:30:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2023-11-23 21:30:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:30:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:30:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one [2023-11-23 21:30:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one [2023-11-23 21:30:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-23 21:30:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-23 21:30:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 21:30:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 21:30:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2023-11-23 21:30:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2023-11-23 21:30:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:30:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:30:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:30:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:30:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:30:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:30:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:30:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-11-23 21:30:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-11-23 21:30:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:30:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2023-11-23 21:30:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2023-11-23 21:30:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2023-11-23 21:30:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2023-11-23 21:30:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:30:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2023-11-23 21:30:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2023-11-23 21:30:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:30:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:30:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2023-11-23 21:30:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2023-11-23 21:30:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:30:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:30:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-23 21:30:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-23 21:30:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:30:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:30:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2023-11-23 21:30:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2023-11-23 21:30:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2023-11-23 21:30:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2023-11-23 21:30:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-23 21:30:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-23 21:30:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-23 21:30:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-23 21:30:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:30:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:30:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:30:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:30:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:30:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:30:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:30:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:30:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:30:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:30:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:30:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:30:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:30:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:30:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:30:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:30:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2023-11-23 21:30:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2023-11-23 21:30:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2023-11-23 21:30:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2023-11-23 21:30:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:30:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:30:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2023-11-23 21:30:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2023-11-23 21:30:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:30:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:30:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:30:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:30:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:30:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2023-11-23 21:30:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2023-11-23 21:30:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:30:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:30:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2023-11-23 21:30:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2023-11-23 21:30:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2023-11-23 21:30:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2023-11-23 21:30:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2023-11-23 21:30:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2023-11-23 21:30:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2023-11-23 21:30:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2023-11-23 21:30:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-23 21:30:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-23 21:30:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:30:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:30:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-23 21:30:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-23 21:30:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 21:30:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 21:30:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2023-11-23 21:30:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2023-11-23 21:30:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2023-11-23 21:30:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2023-11-23 21:30:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:30:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:30:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:30:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:30:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:30:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2023-11-23 21:30:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2023-11-23 21:30:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2023-11-23 21:30:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2023-11-23 21:30:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:30:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:30:48,126 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:48,132 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:48,474 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:31:04,521 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:31:04,687 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:31:08,405 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:31:08,405 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 21:31:08,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:08 BoogieIcfgContainer [2023-11-23 21:31:08,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:31:08,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:31:08,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:31:08,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:31:08,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:41" (1/3) ... [2023-11-23 21:31:08,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f176f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:08, skipping insertion in model container [2023-11-23 21:31:08,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:46" (2/3) ... [2023-11-23 21:31:08,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f176f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:08, skipping insertion in model container [2023-11-23 21:31:08,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:08" (3/3) ... [2023-11-23 21:31:08,418 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-via-via-rhine.cil.i [2023-11-23 21:31:08,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:31:08,440 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:31:08,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:31:08,543 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@4c91dd28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:31:08,543 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:31:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 1737 states, 1002 states have (on average 1.3103792415169662) internal successors, (1313), 1045 states have internal predecessors, (1313), 607 states have call successors, (607), 128 states have call predecessors, (607), 127 states have return successors, (598), 587 states have call predecessors, (598), 598 states have call successors, (598) [2023-11-23 21:31:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-23 21:31:08,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:08,584 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 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] [2023-11-23 21:31:08,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:31:08,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:08,591 INFO L85 PathProgramCache]: Analyzing trace with hash 461791100, now seen corresponding path program 1 times [2023-11-23 21:31:08,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:31:08,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618777114] [2023-11-23 21:31:08,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:08,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms