./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh --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 eab80ceb86efdfc32d49c68260053532d6436b6332c39b2787aa0c8e4e87ea2b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:51:29,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:51:29,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 15:51:29,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:51:29,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:51:29,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:51:29,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:51:29,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:51:29,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:51:29,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:51:29,727 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:51:29,728 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:51:29,728 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:51:29,729 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:51:29,729 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:51:29,730 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:51:29,730 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:51:29,731 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:51:29,731 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:51:29,732 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:51:29,732 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:51:29,733 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:51:29,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:51:29,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:51:29,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:51:29,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:51:29,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:51:29,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:51:29,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:51:29,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:51:29,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:51:29,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:51:29,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:51:29,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:51:29,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:51:29,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:51:29,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:51:29,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:51:29,747 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:51:29,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:51:29,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:51:29,747 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:51:29,748 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:51:29,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:51:29,748 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_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eab80ceb86efdfc32d49c68260053532d6436b6332c39b2787aa0c8e4e87ea2b [2023-12-02 15:51:29,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:51:29,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:51:29,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:51:29,986 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:51:29,986 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:51:29,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i [2023-12-02 15:51:32,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:51:33,324 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:51:33,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i [2023-12-02 15:51:33,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/data/269d611d5/6e2bd75af24e4cee8a34facdfb9f41c8/FLAG6d9f0fe4e [2023-12-02 15:51:33,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/data/269d611d5/6e2bd75af24e4cee8a34facdfb9f41c8 [2023-12-02 15:51:33,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:51:33,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:51:33,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:51:33,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:51:33,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:51:33,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:51:33" (1/1) ... [2023-12-02 15:51:33,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b149f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:33, skipping insertion in model container [2023-12-02 15:51:33,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:51:33" (1/1) ... [2023-12-02 15:51:33,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:51:36,987 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_a2dc8064-fd49-4581-aba9-7333fc20c7f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[425209,425222] [2023-12-02 15:51:36,991 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_a2dc8064-fd49-4581-aba9-7333fc20c7f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[425356,425369] [2023-12-02 15:51:36,992 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_a2dc8064-fd49-4581-aba9-7333fc20c7f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[425495,425508] [2023-12-02 15:51:36,993 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_a2dc8064-fd49-4581-aba9-7333fc20c7f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[425653,425666] [2023-12-02 15:51:37,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:51:37,074 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:51:37,195 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"); [6152] [2023-12-02 15:51:37,197 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)); [6159] [2023-12-02 15:51:37,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6166] [2023-12-02 15:51:37,199 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/8d0c6a3/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6215-6216] [2023-12-02 15:51:37,199 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"); [6221-6223] [2023-12-02 15:51:37,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [6265] [2023-12-02 15:51:37,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [6268] [2023-12-02 15:51:37,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [6270] [2023-12-02 15:51:37,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [6275] [2023-12-02 15:51:37,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [6278] [2023-12-02 15:51:37,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [6280] [2023-12-02 15:51:37,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [6285] [2023-12-02 15:51:37,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [6288] [2023-12-02 15:51:37,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [6290] [2023-12-02 15:51:37,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [6295] [2023-12-02 15:51:37,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [6298] [2023-12-02 15:51:37,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [6300] [2023-12-02 15:51:37,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [6338] [2023-12-02 15:51:37,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [6341] [2023-12-02 15:51:37,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [6343] [2023-12-02 15:51:37,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [6348] [2023-12-02 15:51:37,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [6351] [2023-12-02 15:51:37,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [6353] [2023-12-02 15:51:37,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [6358] [2023-12-02 15:51:37,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [6361] [2023-12-02 15:51:37,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [6363] [2023-12-02 15:51:37,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [6368] [2023-12-02 15:51:37,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [6371] [2023-12-02 15:51:37,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [6373] [2023-12-02 15:51:37,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6449] [2023-12-02 15:51:37,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6458] [2023-12-02 15:51:37,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6616] [2023-12-02 15:51:37,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6624] [2023-12-02 15:51:37,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6632] [2023-12-02 15:51:37,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6639] [2023-12-02 15:51:37,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6646] [2023-12-02 15:51:37,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6653] [2023-12-02 15:51:37,220 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)); [6795-6796] [2023-12-02 15:51:37,221 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)); [6829-6830] [2023-12-02 15:51:37,223 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" (79), "i" (12UL)); [6870-6871] [2023-12-02 15:51:37,224 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)); [6899-6900] [2023-12-02 15:51:37,225 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)); [6936-6937] [2023-12-02 15:51:37,236 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)); [7308-7309] [2023-12-02 15:51:37,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7315] [2023-12-02 15:51:37,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9594] [2023-12-02 15:51:37,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [10401] [2023-12-02 15:51:37,492 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_a2dc8064-fd49-4581-aba9-7333fc20c7f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[425209,425222] [2023-12-02 15:51:37,492 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_a2dc8064-fd49-4581-aba9-7333fc20c7f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[425356,425369] [2023-12-02 15:51:37,493 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_a2dc8064-fd49-4581-aba9-7333fc20c7f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[425495,425508] [2023-12-02 15:51:37,493 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_a2dc8064-fd49-4581-aba9-7333fc20c7f8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i[425653,425666] [2023-12-02 15:51:37,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:51:37,772 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:51:37,780 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:51:37,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37 WrapperNode [2023-12-02 15:51:37,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:51:37,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:51:37,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:51:37,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:51:37,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (1/1) ... [2023-12-02 15:51:37,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (1/1) ... [2023-12-02 15:51:38,247 INFO L138 Inliner]: procedures = 501, calls = 3616, calls flagged for inlining = 312, calls inlined = 289, statements flattened = 10182 [2023-12-02 15:51:38,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:51:38,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:51:38,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:51:38,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:51:38,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (1/1) ... [2023-12-02 15:51:38,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (1/1) ... [2023-12-02 15:51:38,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (1/1) ... [2023-12-02 15:51:38,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (1/1) ... [2023-12-02 15:51:38,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (1/1) ... [2023-12-02 15:51:38,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (1/1) ... [2023-12-02 15:51:38,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (1/1) ... [2023-12-02 15:51:38,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (1/1) ... [2023-12-02 15:51:38,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:51:38,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:51:38,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:51:38,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:51:38,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (1/1) ... [2023-12-02 15:51:38,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:51:38,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:51:38,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:51:38,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2dc8064-fd49-4581-aba9-7333fc20c7f8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:51:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-12-02 15:51:38,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-12-02 15:51:38,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 15:51:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 15:51:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-12-02 15:51:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-12-02 15:51:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-12-02 15:51:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-12-02 15:51:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 15:51:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 15:51:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2023-12-02 15:51:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2023-12-02 15:51:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 15:51:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 15:51:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 15:51:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 15:51:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_resume [2023-12-02 15:51:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_resume [2023-12-02 15:51:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_print_link_status [2023-12-02 15:51:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_print_link_status [2023-12-02 15:51:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_registers [2023-12-02 15:51:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_registers [2023-12-02 15:51:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 15:51:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 15:51:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_mii_write [2023-12-02 15:51:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_mii_write [2023-12-02 15:51:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 15:51:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 15:51:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 15:51:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 15:51:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-12-02 15:51:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-12-02 15:51:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-12-02 15:51:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-12-02 15:51:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_platform_remove [2023-12-02 15:51:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_platform_remove [2023-12-02 15:51:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 15:51:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 15:51:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 15:51:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 15:51:38,756 INFO L130 BoogieDeclarations]: Found specification of procedure enable_flow_control_ability [2023-12-02 15:51:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_flow_control_ability [2023-12-02 15:51:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:51:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-12-02 15:51:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-12-02 15:51:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure set_pending_timer_val [2023-12-02 15:51:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pending_timer_val [2023-12-02 15:51:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-12-02 15:51:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-12-02 15:51:38,757 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 15:51:38,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 15:51:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 15:51:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 15:51:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 15:51:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_ethtool_up [2023-12-02 15:51:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_ethtool_up [2023-12-02 15:51:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure mac_wol_reset [2023-12-02 15:51:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_wol_reset [2023-12-02 15:51:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 15:51:38,758 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_ethtool_down [2023-12-02 15:51:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_ethtool_down [2023-12-02 15:51:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 15:51:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 15:51:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure mac_set_vlan_cam_mask [2023-12-02 15:51:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_set_vlan_cam_mask [2023-12-02 15:51:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:51:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-12-02 15:51:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-12-02 15:51:38,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 15:51:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 15:51:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-12-02 15:51:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-12-02 15:51:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-12-02 15:51:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-12-02 15:51:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-12-02 15:51:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-12-02 15:51:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_opt_media_mode [2023-12-02 15:51:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_opt_media_mode [2023-12-02 15:51:38,760 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_tx_srv [2023-12-02 15:51:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_tx_srv [2023-12-02 15:51:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-12-02 15:51:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-12-02 15:51:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 15:51:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 15:51:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-12-02 15:51:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-12-02 15:51:38,761 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_rx_refill [2023-12-02 15:51:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_rx_refill [2023-12-02 15:51:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure mii_set_auto_on [2023-12-02 15:51:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_set_auto_on [2023-12-02 15:51:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:51:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_save_context [2023-12-02 15:51:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_save_context [2023-12-02 15:51:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-12-02 15:51:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-12-02 15:51:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:51:38,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 15:51:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 15:51:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 15:51:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 15:51:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:51:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 15:51:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:51:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:51:38,763 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-12-02 15:51:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-12-02 15:51:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 15:51:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 15:51:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_update_hw_mibs [2023-12-02 15:51:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_update_hw_mibs [2023-12-02 15:51:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_shutdown [2023-12-02 15:51:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_shutdown [2023-12-02 15:51:38,764 INFO L130 BoogieDeclarations]: Found specification of procedure setup_queue_timers [2023-12-02 15:51:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_queue_timers [2023-12-02 15:51:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-12-02 15:51:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-12-02 15:51:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-12-02 15:51:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-12-02 15:51:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_rd_ring [2023-12-02 15:51:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_rd_ring [2023-12-02 15:51:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 15:51:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 15:51:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-12-02 15:51:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-12-02 15:51:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_dma_rings [2023-12-02 15:51:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_dma_rings [2023-12-02 15:51:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure safe_disable_mii_autopoll [2023-12-02 15:51:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_disable_mii_autopoll [2023-12-02 15:51:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-12-02 15:51:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-12-02 15:51:38,766 INFO L130 BoogieDeclarations]: Found specification of procedure get_pending_timer_val [2023-12-02 15:51:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pending_timer_val [2023-12-02 15:51:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_unregister_notifier [2023-12-02 15:51:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_unregister_notifier [2023-12-02 15:51:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-12-02 15:51:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-12-02 15:51:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-12-02 15:51:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-12-02 15:51:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-12-02 15:51:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-12-02 15:51:38,767 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-12-02 15:51:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-12-02 15:51:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:51:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:51:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_media_mode [2023-12-02 15:51:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_media_mode [2023-12-02 15:51:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_cam_filter [2023-12-02 15:51:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_cam_filter [2023-12-02 15:51:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 15:51:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_probe [2023-12-02 15:51:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_probe [2023-12-02 15:51:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 15:51:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 15:51:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 15:51:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_pci_remove [2023-12-02 15:51:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_pci_remove [2023-12-02 15:51:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-12-02 15:51:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-12-02 15:51:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-12-02 15:51:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-12-02 15:51:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_rings [2023-12-02 15:51:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_rings [2023-12-02 15:51:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-12-02 15:51:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-12-02 15:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mii_autopoll [2023-12-02 15:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mii_autopoll [2023-12-02 15:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-12-02 15:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-12-02 15:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 15:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 15:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-12-02 15:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-12-02 15:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-12-02 15:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-12-02 15:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-12-02 15:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-12-02 15:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-12-02 15:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-12-02 15:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-12-02 15:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-12-02 15:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-12-02 15:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-12-02 15:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-12-02 15:51:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-12-02 15:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_int_opt [2023-12-02 15:51:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_int_opt [2023-12-02 15:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-12-02 15:51:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-12-02 15:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure mac_set_cam_mask [2023-12-02 15:51:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_set_cam_mask [2023-12-02 15:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-12-02 15:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-12-02 15:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_suspend [2023-12-02 15:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_suspend [2023-12-02 15:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-12-02 15:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-12-02 15:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_ip [2023-12-02 15:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_ip [2023-12-02 15:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_get_link [2023-12-02 15:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_get_link [2023-12-02 15:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 15:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 15:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-12-02 15:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-12-02 15:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-12-02 15:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-12-02 15:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 15:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 15:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup_adaptive_interrupts [2023-12-02 15:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_adaptive_interrupts [2023-12-02 15:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-12-02 15:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-12-02 15:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-12-02 15:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-12-02 15:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 15:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 15:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 15:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 15:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_power_state [2023-12-02 15:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_power_state [2023-12-02 15:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_close [2023-12-02 15:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_close [2023-12-02 15:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-12-02 15:51:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-12-02 15:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_bool_opt [2023-12-02 15:51:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_bool_opt [2023-12-02 15:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-12-02 15:51:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-12-02 15:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-12-02 15:51:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-12-02 15:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-12-02 15:51:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-12-02 15:51:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 15:51:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 15:51:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:51:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_free_rings [2023-12-02 15:51:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_free_rings [2023-12-02 15:51:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_intr [2023-12-02 15:51:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_intr [2023-12-02 15:51:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-12-02 15:51:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-12-02 15:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 15:51:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 15:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-12-02 15:51:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-12-02 15:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_remove [2023-12-02 15:51:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_remove [2023-12-02 15:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure check_connection_type [2023-12-02 15:51:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure check_connection_type [2023-12-02 15:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-12-02 15:51:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-12-02 15:51:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_init_rx_ring_indexes [2023-12-02 15:51:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_init_rx_ring_indexes [2023-12-02 15:51:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_mii_read [2023-12-02 15:51:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_mii_read [2023-12-02 15:51:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_open [2023-12-02 15:51:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_open [2023-12-02 15:51:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_give_many_rx_descs [2023-12-02 15:51:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_give_many_rx_descs [2023-12-02 15:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 15:51:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 15:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_set_multi [2023-12-02 15:51:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_set_multi [2023-12-02 15:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-12-02 15:51:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-12-02 15:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_platform_probe [2023-12-02 15:51:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_platform_probe [2023-12-02 15:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-12-02 15:51:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-12-02 15:51:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:51:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-12-02 15:51:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-12-02 15:51:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure velocity_poll_controller [2023-12-02 15:51:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure velocity_poll_controller [2023-12-02 15:51:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-12-02 15:51:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-12-02 15:51:39,834 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:51:39,838 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:51:46,752 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 15:51:59,580 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:52:03,571 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:52:03,571 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 15:52:03,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:52:03 BoogieIcfgContainer [2023-12-02 15:52:03,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:52:03,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:52:03,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:52:03,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:52:03,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:51:33" (1/3) ... [2023-12-02 15:52:03,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c5e0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:52:03, skipping insertion in model container [2023-12-02 15:52:03,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:37" (2/3) ... [2023-12-02 15:52:03,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c5e0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:52:03, skipping insertion in model container [2023-12-02 15:52:03,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:52:03" (3/3) ... [2023-12-02 15:52:03,582 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-net-ethernet-via-via-velocity.cil.i [2023-12-02 15:52:03,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:52:03,602 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 15:52:03,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:52:03,697 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;@44976cb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:52:03,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 15:52:03,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 2281 states, 1316 states have (on average 1.2826747720364742) internal successors, (1688), 1387 states have internal predecessors, (1688), 834 states have call successors, (834), 131 states have call predecessors, (834), 130 states have return successors, (827), 807 states have call predecessors, (827), 827 states have call successors, (827) [2023-12-02 15:52:03,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 15:52:03,725 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:03,726 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:52:03,727 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] === [2023-12-02 15:52:03,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:03,731 INFO L85 PathProgramCache]: Analyzing trace with hash -764432670, now seen corresponding path program 1 times [2023-12-02 15:52:03,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:03,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601347779] [2023-12-02 15:52:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:03,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:00:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:00:49,785 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 16:00:49,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:00:49,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601347779] [2023-12-02 16:00:49,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601347779] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:00:49,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:00:49,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:00:49,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237356487] [2023-12-02 16:00:49,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:00:49,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:00:49,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:00:49,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:00:49,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:00:49,824 INFO L87 Difference]: Start difference. First operand has 2281 states, 1316 states have (on average 1.2826747720364742) internal successors, (1688), 1387 states have internal predecessors, (1688), 834 states have call successors, (834), 131 states have call predecessors, (834), 130 states have return successors, (827), 807 states have call predecessors, (827), 827 states have call successors, (827) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 16:00:52,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:00:54,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:00:59,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 16:01:01,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:01:03,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:01:03,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:01:03,532 INFO L93 Difference]: Finished difference Result 4490 states and 6627 transitions. [2023-12-02 16:01:03,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:01:03,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2023-12-02 16:01:03,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:01:03,573 INFO L225 Difference]: With dead ends: 4490 [2023-12-02 16:01:03,573 INFO L226 Difference]: Without dead ends: 2216 [2023-12-02 16:01:03,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:01:03,600 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 3276 mSDsluCounter, 2827 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3276 SdHoareTripleChecker+Valid, 5654 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:01:03,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3276 Valid, 5654 Invalid, 950 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 948 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2023-12-02 16:01:03,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2023-12-02 16:01:03,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2216. [2023-12-02 16:01:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 1280 states have (on average 1.27734375) internal successors, (1635), 1343 states have internal predecessors, (1635), 807 states have call successors, (807), 128 states have call predecessors, (807), 128 states have return successors, (807), 787 states have call predecessors, (807), 807 states have call successors, (807) [2023-12-02 16:01:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 3249 transitions. [2023-12-02 16:01:03,846 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 3249 transitions. Word has length 58 [2023-12-02 16:01:03,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:01:03,848 INFO L495 AbstractCegarLoop]: Abstraction has 2216 states and 3249 transitions. [2023-12-02 16:01:03,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 16:01:03,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 3249 transitions. [2023-12-02 16:01:03,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 16:01:03,854 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:01:03,854 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:01:03,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:01:03,855 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:01:03,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:01:03,856 INFO L85 PathProgramCache]: Analyzing trace with hash -794131121, now seen corresponding path program 1 times [2023-12-02 16:01:03,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:01:03,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620587547] [2023-12-02 16:01:03,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:01:03,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms