./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.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_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/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_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/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_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/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 14ec046978052198cd587531ac5cc6873edc7e25b4a41979dad16fe919a1b16d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:45:37,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:45:37,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 15:45:37,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:45:37,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:45:37,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:45:37,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:45:37,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:45:37,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:45:37,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:45:37,191 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:45:37,192 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:45:37,192 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:45:37,193 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:45:37,193 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:45:37,194 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:45:37,194 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:45:37,195 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:45:37,195 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:45:37,196 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:45:37,196 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:45:37,197 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:45:37,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:45:37,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:45:37,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:45:37,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:45:37,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:45:37,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:45:37,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:45:37,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:45:37,202 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:45:37,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:45:37,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:45:37,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:45:37,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:45:37,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:45:37,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:45:37,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:45:37,204 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:45:37,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:45:37,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:45:37,205 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:45:37,205 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:45:37,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:45:37,205 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_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14ec046978052198cd587531ac5cc6873edc7e25b4a41979dad16fe919a1b16d [2023-12-02 15:45:37,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:45:37,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:45:37,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:45:37,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:45:37,456 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:45:37,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2023-12-02 15:45:40,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:45:40,824 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:45:40,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2023-12-02 15:45:40,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/data/012a2da2e/9109141ed7054826b92f06dba75d223e/FLAG6d0cbdbdb [2023-12-02 15:45:40,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/data/012a2da2e/9109141ed7054826b92f06dba75d223e [2023-12-02 15:45:40,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:45:40,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:45:40,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:45:40,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:45:40,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:45:40,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:45:40" (1/1) ... [2023-12-02 15:45:40,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@562ebcfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:40, skipping insertion in model container [2023-12-02 15:45:40,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:45:40" (1/1) ... [2023-12-02 15:45:41,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:45:46,128 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_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494588,494601] [2023-12-02 15:45:46,131 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_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494733,494746] [2023-12-02 15:45:46,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:45:46,218 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:45:46,356 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"); [5975] [2023-12-02 15:45:46,358 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)); [5982] [2023-12-02 15:45:46,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5989] [2023-12-02 15:45:46,361 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6060-6061] [2023-12-02 15:45:46,362 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"); [6066-6068] [2023-12-02 15:45:46,363 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; subl %1,%0": "+m" (v->counter): "ir" (i)); [6095] [2023-12-02 15:45:46,363 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; incl %0": "+m" (v->counter)); [6102] [2023-12-02 15:45:46,363 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; decl %0": "+m" (v->counter)); [6109] [2023-12-02 15:45:46,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [6175] [2023-12-02 15:45:46,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [6178] [2023-12-02 15:45:46,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [6180] [2023-12-02 15:45:46,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [6185] [2023-12-02 15:45:46,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [6188] [2023-12-02 15:45:46,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [6190] [2023-12-02 15:45:46,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [6195] [2023-12-02 15:45:46,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [6198] [2023-12-02 15:45:46,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [6200] [2023-12-02 15:45:46,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [6205] [2023-12-02 15:45:46,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [6208] [2023-12-02 15:45:46,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [6210] [2023-12-02 15:45:46,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [6248] [2023-12-02 15:45:46,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [6251] [2023-12-02 15:45:46,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [6253] [2023-12-02 15:45:46,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [6258] [2023-12-02 15:45:46,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [6261] [2023-12-02 15:45:46,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [6263] [2023-12-02 15:45:46,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [6268] [2023-12-02 15:45:46,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [6271] [2023-12-02 15:45:46,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [6273] [2023-12-02 15:45:46,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [6278] [2023-12-02 15:45:46,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [6281] [2023-12-02 15:45:46,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [6283] [2023-12-02 15:45:46,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6462] [2023-12-02 15:45:46,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6470] [2023-12-02 15:45:46,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6477] [2023-12-02 15:45:46,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6530] [2023-12-02 15:45:46,381 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/mm.h"), "i" (488), "i" (12UL)); [6587-6588] [2023-12-02 15:45:46,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [6618] [2023-12-02 15:45:46,387 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)); [6688-6689] [2023-12-02 15:45:46,388 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" (91), "i" (12UL)); [6717-6718] [2023-12-02 15:45:46,390 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)); [6754-6755] [2023-12-02 15:45:46,391 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)); [6791-6792] [2023-12-02 15:45:46,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7619] [2023-12-02 15:45:46,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7628] [2023-12-02 15:45:46,646 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 *)"drivers/net/ethernet/sun/cassini.c"), "i" (4758), "i" (12UL)); [13461-13462] [2023-12-02 15:45:46,733 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_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494588,494601] [2023-12-02 15:45:46,733 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_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i[494733,494746] [2023-12-02 15:45:46,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:45:47,057 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:45:47,065 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:45:47,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47 WrapperNode [2023-12-02 15:45:47,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:45:47,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:45:47,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:45:47,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:45:47,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (1/1) ... [2023-12-02 15:45:47,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (1/1) ... [2023-12-02 15:45:47,640 INFO L138 Inliner]: procedures = 685, calls = 4475, calls flagged for inlining = 342, calls inlined = 322, statements flattened = 13044 [2023-12-02 15:45:47,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:45:47,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:45:47,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:45:47,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:45:47,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (1/1) ... [2023-12-02 15:45:47,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (1/1) ... [2023-12-02 15:45:47,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (1/1) ... [2023-12-02 15:45:47,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (1/1) ... [2023-12-02 15:45:47,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (1/1) ... [2023-12-02 15:45:48,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (1/1) ... [2023-12-02 15:45:48,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (1/1) ... [2023-12-02 15:45:48,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (1/1) ... [2023-12-02 15:45:48,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:45:48,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:45:48,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:45:48,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:45:48,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (1/1) ... [2023-12-02 15:45:48,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:45:48,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:45:48,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:45:48,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:45:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-12-02 15:45:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-12-02 15:45:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_read [2023-12-02 15:45:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_read [2023-12-02 15:45:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure cas_pcs_link_check [2023-12-02 15:45:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_pcs_link_check [2023-12-02 15:45:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-12-02 15:45:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-12-02 15:45:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 15:45:48,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 15:45:48,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_132 [2023-12-02 15:45:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_132 [2023-12-02 15:45:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-12-02 15:45:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-12-02 15:45:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-12-02 15:45:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-12-02 15:45:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_133 [2023-12-02 15:45:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_133 [2023-12-02 15:45:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 15:45:48,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 15:45:48,264 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mii_link_check [2023-12-02 15:45:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mii_link_check [2023-12-02 15:45:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure cas_calc_tabort [2023-12-02 15:45:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_calc_tabort [2023-12-02 15:45:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-12-02 15:45:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-12-02 15:45:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-12-02 15:45:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-12-02 15:45:48,265 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-12-02 15:45:48,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-12-02 15:45:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 15:45:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 15:45:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-12-02 15:45:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-12-02 15:45:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure cas_lock_tx [2023-12-02 15:45:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_lock_tx [2023-12-02 15:45:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-12-02 15:45:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-12-02 15:45:48,266 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-12-02 15:45:48,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-12-02 15:45:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 15:45:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 15:45:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure cas_disable_irq [2023-12-02 15:45:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_disable_irq [2023-12-02 15:45:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure cas_free_rxds [2023-12-02 15:45:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_free_rxds [2023-12-02 15:45:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2023-12-02 15:45:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2023-12-02 15:45:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure cas_open [2023-12-02 15:45:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_open [2023-12-02 15:45:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure cas_interrupt [2023-12-02 15:45:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_interrupt [2023-12-02 15:45:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_tiny_free [2023-12-02 15:45:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_tiny_free [2023-12-02 15:45:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2023-12-02 15:45:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2023-12-02 15:45:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_map [2023-12-02 15:45:48,268 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_map [2023-12-02 15:45:48,268 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_init [2023-12-02 15:45:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_init [2023-12-02 15:45:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-12-02 15:45:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-12-02 15:45:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2023-12-02 15:45:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2023-12-02 15:45:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-12-02 15:45:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-12-02 15:45:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 15:45:48,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 15:45:48,269 INFO L130 BoogieDeclarations]: Found specification of procedure cas_enable_irq [2023-12-02 15:45:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_enable_irq [2023-12-02 15:45:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 15:45:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 15:45:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-12-02 15:45:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-12-02 15:45:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_dequeue [2023-12-02 15:45:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_dequeue [2023-12-02 15:45:48,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-12-02 15:45:48,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-12-02 15:45:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-12-02 15:45:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-12-02 15:45:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 15:45:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 15:45:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 15:45:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 15:45:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-12-02 15:45:48,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-12-02 15:45:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:45:48,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2023-12-02 15:45:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2023-12-02 15:45:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2023-12-02 15:45:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2023-12-02 15:45:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-12-02 15:45:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-12-02 15:45:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_103 [2023-12-02 15:45:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_103 [2023-12-02 15:45:48,272 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_multicast [2023-12-02 15:45:48,272 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_multicast [2023-12-02 15:45:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-12-02 15:45:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-12-02 15:45:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-12-02 15:45:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-12-02 15:45:48,273 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_free [2023-12-02 15:45:48,273 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_free [2023-12-02 15:45:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_timeout [2023-12-02 15:45:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_timeout [2023-12-02 15:45:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-12-02 15:45:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-12-02 15:45:48,274 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_pcs_link_mode [2023-12-02 15:45:48,274 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_pcs_link_mode [2023-12-02 15:45:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-12-02 15:45:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-12-02 15:45:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 15:45:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 15:45:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 15:45:48,275 INFO L130 BoogieDeclarations]: Found specification of procedure cas_close [2023-12-02 15:45:48,275 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_close [2023-12-02 15:45:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_swap [2023-12-02 15:45:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_swap [2023-12-02 15:45:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 15:45:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 15:45:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure cas_netpoll [2023-12-02 15:45:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_netpoll [2023-12-02 15:45:48,276 INFO L130 BoogieDeclarations]: Found specification of procedure cas_hard_reset [2023-12-02 15:45:48,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_hard_reset [2023-12-02 15:45:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 15:45:48,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 15:45:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 15:45:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 15:45:48,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 15:45:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure cas_rxc_init [2023-12-02 15:45:48,277 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_rxc_init [2023-12-02 15:45:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:45:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-12-02 15:45:48,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-12-02 15:45:48,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 15:45:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 15:45:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clear_mac_err [2023-12-02 15:45:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clear_mac_err [2023-12-02 15:45:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-12-02 15:45:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-12-02 15:45:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-12-02 15:45:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-12-02 15:45:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-12-02 15:45:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-12-02 15:45:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 15:45:48,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 15:45:48,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-12-02 15:45:48,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-12-02 15:45:48,279 INFO L130 BoogieDeclarations]: Found specification of procedure cas_remove_one [2023-12-02 15:45:48,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_remove_one [2023-12-02 15:45:48,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2023-12-02 15:45:48,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2023-12-02 15:45:48,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-12-02 15:45:48,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-12-02 15:45:48,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 15:45:48,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 15:45:48,279 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-12-02 15:45:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-12-02 15:45:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:45:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-12-02 15:45:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-12-02 15:45:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-12-02 15:45:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-12-02 15:45:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-12-02 15:45:48,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-12-02 15:45:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:45:48,280 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2023-12-02 15:45:48,281 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2023-12-02 15:45:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 15:45:48,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 15:45:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 15:45:48,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 15:45:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:45:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 15:45:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:45:48,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:45:48,281 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_link_modes [2023-12-02 15:45:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_link_modes [2023-12-02 15:45:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-12-02 15:45:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-12-02 15:45:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-12-02 15:45:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-12-02 15:45:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-12-02 15:45:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-12-02 15:45:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_mii_link_mode [2023-12-02 15:45:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_mii_link_mode [2023-12-02 15:45:48,282 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2023-12-02 15:45:48,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2023-12-02 15:45:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-12-02 15:45:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-12-02 15:45:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-12-02 15:45:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-12-02 15:45:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-12-02 15:45:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-12-02 15:45:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2023-12-02 15:45:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2023-12-02 15:45:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-12-02 15:45:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-12-02 15:45:48,283 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 15:45:48,283 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 15:45:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-12-02 15:45:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-12-02 15:45:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-12-02 15:45:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-12-02 15:45:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2023-12-02 15:45:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2023-12-02 15:45:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-12-02 15:45:48,284 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-12-02 15:45:48,284 INFO L130 BoogieDeclarations]: Found specification of procedure cas_entropy_gather [2023-12-02 15:45:48,339 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_entropy_gather [2023-12-02 15:45:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure cas_resume [2023-12-02 15:45:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_resume [2023-12-02 15:45:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:45:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:45:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_alloc [2023-12-02 15:45:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_alloc [2023-12-02 15:45:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 15:45:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 15:45:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 15:45:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 15:45:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_158 [2023-12-02 15:45:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_158 [2023-12-02 15:45:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-12-02 15:45:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-12-02 15:45:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mif_poll [2023-12-02 15:45:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mif_poll [2023-12-02 15:45:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-12-02 15:45:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-12-02 15:45:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure cas_unlock_tx [2023-12-02 15:45:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_unlock_tx [2023-12-02 15:45:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 15:45:48,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 15:45:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice [2023-12-02 15:45:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice [2023-12-02 15:45:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-12-02 15:45:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-12-02 15:45:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2023-12-02 15:45:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2023-12-02 15:45:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 15:45:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 15:45:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 15:45:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 15:45:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-12-02 15:45:48,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-12-02 15:45:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-12-02 15:45:48,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-12-02 15:45:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_buf [2023-12-02 15:45:48,343 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_buf [2023-12-02 15:45:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mac_reset [2023-12-02 15:45:48,343 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mac_reset [2023-12-02 15:45:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cas [2023-12-02 15:45:48,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cas [2023-12-02 15:45:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:45:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 15:45:48,343 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 15:45:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_set_page [2023-12-02 15:45:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_set_page [2023-12-02 15:45:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:45:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_regs_len [2023-12-02 15:45:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_regs_len [2023-12-02 15:45:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure cas_reset [2023-12-02 15:45:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_reset [2023-12-02 15:45:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2023-12-02 15:45:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2023-12-02 15:45:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-12-02 15:45:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-12-02 15:45:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_page [2023-12-02 15:45:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_page [2023-12-02 15:45:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:45:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 15:45:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 15:45:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-12-02 15:45:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-12-02 15:45:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 15:45:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 15:45:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure cas_nway_reset [2023-12-02 15:45:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_nway_reset [2023-12-02 15:45:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-12-02 15:45:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-12-02 15:45:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-12-02 15:45:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-12-02 15:45:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 15:45:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 15:45:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure cas_setup_multicast [2023-12-02 15:45:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_setup_multicast [2023-12-02 15:45:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_powerdown [2023-12-02 15:45:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_powerdown [2023-12-02 15:45:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_rxds_ringN [2023-12-02 15:45:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_rxds_ringN [2023-12-02 15:45:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-12-02 15:45:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-12-02 15:45:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure cas_vpd_match [2023-12-02 15:45:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_vpd_match [2023-12-02 15:45:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 15:45:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 15:45:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2023-12-02 15:45:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2023-12-02 15:45:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-12-02 15:45:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-12-02 15:45:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure page_count [2023-12-02 15:45:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure page_count [2023-12-02 15:45:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-12-02 15:45:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-12-02 15:45:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure cas_shutdown [2023-12-02 15:45:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_shutdown [2023-12-02 15:45:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure cas_begin_auto_negotiation [2023-12-02 15:45:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_begin_auto_negotiation [2023-12-02 15:45:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2023-12-02 15:45:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2023-12-02 15:45:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-12-02 15:45:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-12-02 15:45:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure cas_write_txd [2023-12-02 15:45:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_write_txd [2023-12-02 15:45:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 15:45:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 15:45:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_ref [2023-12-02 15:45:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_ref [2023-12-02 15:45:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:45:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 15:45:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 15:45:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2023-12-02 15:45:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2023-12-02 15:45:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_101 [2023-12-02 15:45:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_101 [2023-12-02 15:45:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-12-02 15:45:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-12-02 15:45:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure cas_init_hw [2023-12-02 15:45:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_init_hw [2023-12-02 15:45:48,350 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clean_rings [2023-12-02 15:45:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clean_rings [2023-12-02 15:45:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_free [2023-12-02 15:45:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_free [2023-12-02 15:45:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-12-02 15:45:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-12-02 15:45:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_write [2023-12-02 15:45:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_write [2023-12-02 15:45:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 15:45:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 15:45:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-12-02 15:45:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-12-02 15:45:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-12-02 15:45:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-12-02 15:45:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_recover [2023-12-02 15:45:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_recover [2023-12-02 15:45:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-12-02 15:45:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-12-02 15:45:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 15:45:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 15:45:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_stats [2023-12-02 15:45:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_stats [2023-12-02 15:45:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-12-02 15:45:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-12-02 15:45:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-12-02 15:45:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-12-02 15:45:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:45:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-12-02 15:45:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-12-02 15:45:48,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_160 [2023-12-02 15:45:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_160 [2023-12-02 15:45:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-12-02 15:45:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-12-02 15:45:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-12-02 15:45:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-12-02 15:45:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2023-12-02 15:45:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2023-12-02 15:45:49,519 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:45:49,527 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:45:49,978 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 15:46:07,295 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-12-02 15:46:07,560 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:46:14,716 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:46:14,716 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 15:46:14,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:46:14 BoogieIcfgContainer [2023-12-02 15:46:14,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:46:14,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:46:14,721 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:46:14,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:46:14,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:45:40" (1/3) ... [2023-12-02 15:46:14,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ef7c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:46:14, skipping insertion in model container [2023-12-02 15:46:14,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:47" (2/3) ... [2023-12-02 15:46:14,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ef7c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:46:14, skipping insertion in model container [2023-12-02 15:46:14,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:46:14" (3/3) ... [2023-12-02 15:46:14,726 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2023-12-02 15:46:14,741 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:46:14,742 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 15:46:14,833 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:46:14,839 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;@4c43ab9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:46:14,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 15:46:14,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 3209 states, 1863 states have (on average 1.269994632313473) internal successors, (2366), 1930 states have internal predecessors, (2366), 1172 states have call successors, (1172), 174 states have call predecessors, (1172), 173 states have return successors, (1167), 1156 states have call predecessors, (1167), 1167 states have call successors, (1167) [2023-12-02 15:46:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-02 15:46:14,895 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:46:14,896 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:14,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:46:14,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:46:14,902 INFO L85 PathProgramCache]: Analyzing trace with hash 582740956, now seen corresponding path program 1 times [2023-12-02 15:46:14,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:46:14,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15981001] [2023-12-02 15:46:14,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:46:14,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:46:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:46:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-12-02 15:46:51,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:46:51,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15981001] [2023-12-02 15:46:51,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15981001] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:46:51,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:46:51,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:46:51,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457518836] [2023-12-02 15:46:51,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:46:51,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:46:51,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:46:51,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:46:51,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:46:51,096 INFO L87 Difference]: Start difference. First operand has 3209 states, 1863 states have (on average 1.269994632313473) internal successors, (2366), 1930 states have internal predecessors, (2366), 1172 states have call successors, (1172), 174 states have call predecessors, (1172), 173 states have return successors, (1167), 1156 states have call predecessors, (1167), 1167 states have call successors, (1167) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-02 15:46:53,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:46:55,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:47:04,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:47:04,351 INFO L93 Difference]: Finished difference Result 8343 states and 12244 transitions. [2023-12-02 15:47:04,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:47:04,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 168 [2023-12-02 15:47:04,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:47:04,422 INFO L225 Difference]: With dead ends: 8343 [2023-12-02 15:47:04,422 INFO L226 Difference]: Without dead ends: 5056 [2023-12-02 15:47:04,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:47:04,457 INFO L413 NwaCegarLoop]: 4179 mSDtfsCounter, 2792 mSDsluCounter, 4071 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2792 SdHoareTripleChecker+Valid, 8250 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:47:04,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2792 Valid, 8250 Invalid, 1246 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 1227 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2023-12-02 15:47:04,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5056 states. [2023-12-02 15:47:04,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5056 to 5053. [2023-12-02 15:47:04,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5053 states, 2971 states have (on average 1.2709525412319085) internal successors, (3776), 3074 states have internal predecessors, (3776), 1776 states have call successors, (1776), 304 states have call predecessors, (1776), 304 states have return successors, (1776), 1759 states have call predecessors, (1776), 1776 states have call successors, (1776) [2023-12-02 15:47:04,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5053 states to 5053 states and 7328 transitions. [2023-12-02 15:47:04,924 INFO L78 Accepts]: Start accepts. Automaton has 5053 states and 7328 transitions. Word has length 168 [2023-12-02 15:47:04,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:47:04,926 INFO L495 AbstractCegarLoop]: Abstraction has 5053 states and 7328 transitions. [2023-12-02 15:47:04,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-02 15:47:04,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5053 states and 7328 transitions. [2023-12-02 15:47:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 15:47:04,937 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:47:04,938 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:47:04,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:47:04,938 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:47:04,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:47:04,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1974694416, now seen corresponding path program 1 times [2023-12-02 15:47:04,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:47:04,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167989239] [2023-12-02 15:47:04,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:47:04,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:47:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:47:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-12-02 15:47:38,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:47:38,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167989239] [2023-12-02 15:47:38,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167989239] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:47:38,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:47:38,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:47:38,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062986158] [2023-12-02 15:47:38,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:47:38,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:47:38,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:47:38,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:47:38,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:47:38,615 INFO L87 Difference]: Start difference. First operand 5053 states and 7328 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-02 15:47:40,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:47:43,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:47:51,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:47:51,871 INFO L93 Difference]: Finished difference Result 15056 states and 21832 transitions. [2023-12-02 15:47:51,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:47:51,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 183 [2023-12-02 15:47:51,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:47:51,940 INFO L225 Difference]: With dead ends: 15056 [2023-12-02 15:47:51,940 INFO L226 Difference]: Without dead ends: 10028 [2023-12-02 15:47:51,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:47:51,962 INFO L413 NwaCegarLoop]: 4584 mSDtfsCounter, 4546 mSDsluCounter, 3977 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4546 SdHoareTripleChecker+Valid, 8561 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:47:51,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4546 Valid, 8561 Invalid, 1226 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1218 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2023-12-02 15:47:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10028 states. [2023-12-02 15:47:52,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10028 to 10022. [2023-12-02 15:47:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10022 states, 5902 states have (on average 1.2714334124025755) internal successors, (7504), 6108 states have internal predecessors, (7504), 3511 states have call successors, (3511), 608 states have call predecessors, (3511), 607 states have return successors, (3516), 3473 states have call predecessors, (3516), 3511 states have call successors, (3516) [2023-12-02 15:47:52,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10022 states to 10022 states and 14531 transitions. [2023-12-02 15:47:52,432 INFO L78 Accepts]: Start accepts. Automaton has 10022 states and 14531 transitions. Word has length 183 [2023-12-02 15:47:52,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:47:52,433 INFO L495 AbstractCegarLoop]: Abstraction has 10022 states and 14531 transitions. [2023-12-02 15:47:52,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-02 15:47:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 10022 states and 14531 transitions. [2023-12-02 15:47:52,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-12-02 15:47:52,446 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:47:52,446 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:47:52,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:47:52,446 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:47:52,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:47:52,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1596576271, now seen corresponding path program 1 times [2023-12-02 15:47:52,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:47:52,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826592905] [2023-12-02 15:47:52,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:47:52,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:25,821 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2023-12-02 15:48:25,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:25,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826592905] [2023-12-02 15:48:25,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826592905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:25,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:48:25,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:48:25,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803135787] [2023-12-02 15:48:25,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:25,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:48:25,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:25,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:48:25,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:48:25,825 INFO L87 Difference]: Start difference. First operand 10022 states and 14531 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-02 15:48:27,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:48:30,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:48:39,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:39,629 INFO L93 Difference]: Finished difference Result 27609 states and 39890 transitions. [2023-12-02 15:48:39,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:48:39,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 203 [2023-12-02 15:48:39,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:39,740 INFO L225 Difference]: With dead ends: 27609 [2023-12-02 15:48:39,740 INFO L226 Difference]: Without dead ends: 17612 [2023-12-02 15:48:39,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:48:39,786 INFO L413 NwaCegarLoop]: 4039 mSDtfsCounter, 4026 mSDsluCounter, 3956 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4026 SdHoareTripleChecker+Valid, 7995 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:39,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4026 Valid, 7995 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1206 Invalid, 2 Unknown, 0 Unchecked, 13.1s Time] [2023-12-02 15:48:39,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17612 states. [2023-12-02 15:48:40,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17612 to 17605. [2023-12-02 15:48:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17605 states, 10370 states have (on average 1.2649951783992286) internal successors, (13118), 10725 states have internal predecessors, (13118), 6120 states have call successors, (6120), 1115 states have call predecessors, (6120), 1113 states have return successors, (6133), 6055 states have call predecessors, (6133), 6120 states have call successors, (6133) [2023-12-02 15:48:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17605 states to 17605 states and 25371 transitions. [2023-12-02 15:48:40,843 INFO L78 Accepts]: Start accepts. Automaton has 17605 states and 25371 transitions. Word has length 203 [2023-12-02 15:48:40,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:40,844 INFO L495 AbstractCegarLoop]: Abstraction has 17605 states and 25371 transitions. [2023-12-02 15:48:40,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-12-02 15:48:40,845 INFO L276 IsEmpty]: Start isEmpty. Operand 17605 states and 25371 transitions. [2023-12-02 15:48:40,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-12-02 15:48:40,852 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:40,852 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:48:40,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 15:48:40,853 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:48:40,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:40,853 INFO L85 PathProgramCache]: Analyzing trace with hash 23478266, now seen corresponding path program 1 times [2023-12-02 15:48:40,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:40,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837899884] [2023-12-02 15:48:40,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:40,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:49:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:49:14,390 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2023-12-02 15:49:14,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:49:14,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837899884] [2023-12-02 15:49:14,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837899884] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:49:14,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:49:14,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:49:14,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084888616] [2023-12-02 15:49:14,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:49:14,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:49:14,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:49:14,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:49:14,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:49:14,393 INFO L87 Difference]: Start difference. First operand 17605 states and 25371 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-12-02 15:49:16,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:49:18,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:49:30,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:49:30,214 INFO L93 Difference]: Finished difference Result 41091 states and 59073 transitions. [2023-12-02 15:49:30,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:49:30,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 211 [2023-12-02 15:49:30,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:49:30,313 INFO L225 Difference]: With dead ends: 41091 [2023-12-02 15:49:30,314 INFO L226 Difference]: Without dead ends: 23511 [2023-12-02 15:49:30,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:49:30,381 INFO L413 NwaCegarLoop]: 6331 mSDtfsCounter, 2711 mSDsluCounter, 3986 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2711 SdHoareTripleChecker+Valid, 10317 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:49:30,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2711 Valid, 10317 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1596 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2023-12-02 15:49:30,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23511 states. [2023-12-02 15:49:31,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23511 to 23505. [2023-12-02 15:49:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23505 states, 13907 states have (on average 1.2647587545840224) internal successors, (17589), 14375 states have internal predecessors, (17589), 8036 states have call successors, (8036), 1562 states have call predecessors, (8036), 1560 states have return successors, (8049), 7955 states have call predecessors, (8049), 8036 states have call successors, (8049) [2023-12-02 15:49:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23505 states to 23505 states and 33674 transitions. [2023-12-02 15:49:31,308 INFO L78 Accepts]: Start accepts. Automaton has 23505 states and 33674 transitions. Word has length 211 [2023-12-02 15:49:31,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:49:31,309 INFO L495 AbstractCegarLoop]: Abstraction has 23505 states and 33674 transitions. [2023-12-02 15:49:31,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-12-02 15:49:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 23505 states and 33674 transitions. [2023-12-02 15:49:31,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2023-12-02 15:49:31,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:49:31,318 INFO L195 NwaCegarLoop]: trace histogram [18, 12, 12, 12, 12, 12, 12, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:49:31,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 15:49:31,319 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:49:31,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:49:31,319 INFO L85 PathProgramCache]: Analyzing trace with hash 547156898, now seen corresponding path program 1 times [2023-12-02 15:49:31,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:49:31,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053529082] [2023-12-02 15:49:31,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:49:31,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:50:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:50:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2023-12-02 15:50:06,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:50:06,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053529082] [2023-12-02 15:50:06,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053529082] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:50:06,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:50:06,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:50:06,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398611909] [2023-12-02 15:50:06,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:50:06,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:50:06,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:50:06,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:50:06,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:50:06,660 INFO L87 Difference]: Start difference. First operand 23505 states and 33674 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-02 15:50:08,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:11,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:19,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:50:19,593 INFO L93 Difference]: Finished difference Result 47013 states and 67367 transitions. [2023-12-02 15:50:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:50:19,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 273 [2023-12-02 15:50:19,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:50:19,710 INFO L225 Difference]: With dead ends: 47013 [2023-12-02 15:50:19,711 INFO L226 Difference]: Without dead ends: 23533 [2023-12-02 15:50:19,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:50:19,786 INFO L413 NwaCegarLoop]: 4028 mSDtfsCounter, 4 mSDsluCounter, 4024 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8052 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:50:19,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8052 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1163 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2023-12-02 15:50:19,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23533 states. [2023-12-02 15:50:20,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23533 to 23509. [2023-12-02 15:50:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23509 states, 13911 states have (on average 1.2646826252605852) internal successors, (17593), 14379 states have internal predecessors, (17593), 8036 states have call successors, (8036), 1562 states have call predecessors, (8036), 1560 states have return successors, (8049), 7955 states have call predecessors, (8049), 8036 states have call successors, (8049) [2023-12-02 15:50:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23509 states to 23509 states and 33678 transitions. [2023-12-02 15:50:20,757 INFO L78 Accepts]: Start accepts. Automaton has 23509 states and 33678 transitions. Word has length 273 [2023-12-02 15:50:20,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:50:20,757 INFO L495 AbstractCegarLoop]: Abstraction has 23509 states and 33678 transitions. [2023-12-02 15:50:20,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-02 15:50:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 23509 states and 33678 transitions. [2023-12-02 15:50:20,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2023-12-02 15:50:20,766 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:50:20,767 INFO L195 NwaCegarLoop]: trace histogram [18, 12, 12, 12, 12, 12, 12, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:50:20,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 15:50:20,767 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:50:20,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:50:20,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1733294934, now seen corresponding path program 1 times [2023-12-02 15:50:20,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:50:20,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783182653] [2023-12-02 15:50:20,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:20,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:50:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:50:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2023-12-02 15:50:54,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:50:54,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783182653] [2023-12-02 15:50:54,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783182653] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:50:54,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142093014] [2023-12-02 15:50:54,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:54,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:50:54,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:50:54,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:50:54,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9817ca-fe45-4f45-9cb4-ba7e5ec3a68f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:51:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:30,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 6408 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:51:30,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:51:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2023-12-02 15:51:30,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:51:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2023-12-02 15:51:31,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142093014] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:51:31,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1425099091] [2023-12-02 15:51:31,339 INFO L159 IcfgInterpreter]: Started Sifa with 142 locations of interest [2023-12-02 15:51:31,339 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:51:31,343 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:51:31,348 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:51:31,349 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:54:49,000 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 7460 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:54:57,125 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 7460 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:55:09,014 WARN L293 SmtUtils]: Spent 11.83s on a formula simplification. DAG size of input: 7461 DAG size of output: 7461 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:55:16,684 WARN L293 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 7460 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:55:24,414 WARN L293 SmtUtils]: Spent 7.71s on a formula simplification that was a NOOP. DAG size: 7460 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:55:35,978 WARN L293 SmtUtils]: Spent 11.52s on a formula simplification. DAG size of input: 7461 DAG size of output: 7461 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)