./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2 --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 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:34:51,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:34:52,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:34:52,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:34:52,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:34:52,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:34:52,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:34:52,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:34:52,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:34:52,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:34:52,127 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:34:52,127 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:34:52,128 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:34:52,132 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:34:52,133 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:34:52,133 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:34:52,133 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:34:52,134 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:34:52,134 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:34:52,134 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:34:52,135 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:34:52,136 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:34:52,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:34:52,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:34:52,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:34:52,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:34:52,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:34:52,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:34:52,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:34:52,139 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:34:52,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:34:52,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:34:52,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:34:52,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:34:52,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:34:52,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:52,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:34:52,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:34:52,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:34:52,143 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:34:52,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:34:52,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:34:52,144 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:34:52,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:34:52,145 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_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 [2024-11-02 12:34:52,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:34:52,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:34:52,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:34:52,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:34:52,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:34:52,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i Unable to find full path for "g++" [2024-11-02 12:34:54,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:34:55,150 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:34:55,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2024-11-02 12:34:55,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/data/19b32b9f8/9690cd2d5e7c4556a949615061f10da8/FLAG74e1ecbbe [2024-11-02 12:34:55,224 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/data/19b32b9f8/9690cd2d5e7c4556a949615061f10da8 [2024-11-02 12:34:55,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:34:55,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:34:55,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:55,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:34:55,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:34:55,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:55" (1/1) ... [2024-11-02 12:34:55,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4ba5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:55, skipping insertion in model container [2024-11-02 12:34:55,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:34:55" (1/1) ... [2024-11-02 12:34:55,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:34:58,253 WARN L251 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_881424f6-f12b-4343-a4ba-c62c9f2c5d13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[320934,320947] [2024-11-02 12:34:58,257 WARN L251 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_881424f6-f12b-4343-a4ba-c62c9f2c5d13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321103,321116] [2024-11-02 12:34:58,258 WARN L251 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_881424f6-f12b-4343-a4ba-c62c9f2c5d13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321270,321283] [2024-11-02 12:34:58,260 WARN L251 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_881424f6-f12b-4343-a4ba-c62c9f2c5d13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321438,321451] [2024-11-02 12:34:58,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:58,323 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:34:58,524 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"); [5287] [2024-11-02 12:34:58,526 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)); [5294] [2024-11-02 12:34:58,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5301] [2024-11-02 12:34:58,528 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/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5339-5340] [2024-11-02 12:34:58,529 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"); [5345-5347] [2024-11-02 12:34:58,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5425] [2024-11-02 12:34:58,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5433] [2024-11-02 12:34:58,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5441] [2024-11-02 12:34:58,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5448] [2024-11-02 12:34:58,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5455] [2024-11-02 12:34:58,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5462] [2024-11-02 12:34:58,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5499] [2024-11-02 12:34:58,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5507] [2024-11-02 12:34:58,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5514] [2024-11-02 12:34:58,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5521] [2024-11-02 12:34:58,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5529] [2024-11-02 12:34:58,839 WARN L251 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_881424f6-f12b-4343-a4ba-c62c9f2c5d13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[320934,320947] [2024-11-02 12:34:58,840 WARN L251 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_881424f6-f12b-4343-a4ba-c62c9f2c5d13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321103,321116] [2024-11-02 12:34:58,840 WARN L251 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_881424f6-f12b-4343-a4ba-c62c9f2c5d13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321270,321283] [2024-11-02 12:34:58,841 WARN L251 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_881424f6-f12b-4343-a4ba-c62c9f2c5d13/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321438,321451] [2024-11-02 12:34:58,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:34:59,036 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:34:59,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59 WrapperNode [2024-11-02 12:34:59,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:34:59,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:59,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:34:59,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:34:59,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (1/1) ... [2024-11-02 12:34:59,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (1/1) ... [2024-11-02 12:34:59,362 INFO L138 Inliner]: procedures = 418, calls = 2081, calls flagged for inlining = 195, calls inlined = 179, statements flattened = 5616 [2024-11-02 12:34:59,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:34:59,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:34:59,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:34:59,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:34:59,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (1/1) ... [2024-11-02 12:34:59,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (1/1) ... [2024-11-02 12:34:59,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (1/1) ... [2024-11-02 12:34:59,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (1/1) ... [2024-11-02 12:34:59,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (1/1) ... [2024-11-02 12:34:59,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (1/1) ... [2024-11-02 12:34:59,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (1/1) ... [2024-11-02 12:34:59,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (1/1) ... [2024-11-02 12:34:59,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:34:59,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:34:59,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:34:59,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:34:59,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (1/1) ... [2024-11-02 12:34:59,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:34:59,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:34:59,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:34:59,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_881424f6-f12b-4343-a4ba-c62c9f2c5d13/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:34:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2024-11-02 12:34:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2024-11-02 12:34:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-02 12:34:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-02 12:34:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 12:34:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 12:34:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-02 12:34:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-02 12:34:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:34:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:34:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2024-11-02 12:34:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2024-11-02 12:34:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-02 12:34:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-02 12:34:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-02 12:34:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-02 12:34:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-02 12:34:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-02 12:34:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-02 12:34:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-02 12:34:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2024-11-02 12:34:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2024-11-02 12:34:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-11-02 12:34:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-11-02 12:34:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2024-11-02 12:34:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2024-11-02 12:34:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-02 12:34:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-02 12:34:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2024-11-02 12:34:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2024-11-02 12:34:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-02 12:34:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-02 12:34:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-02 12:34:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-02 12:34:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-02 12:34:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-02 12:34:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2024-11-02 12:34:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2024-11-02 12:34:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-02 12:34:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-02 12:34:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:34:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-02 12:34:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-02 12:34:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2024-11-02 12:34:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2024-11-02 12:34:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2024-11-02 12:34:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2024-11-02 12:34:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-02 12:34:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-02 12:34:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:34:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-02 12:34:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-02 12:34:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-02 12:34:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-02 12:34:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-02 12:34:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-02 12:34:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:34:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-02 12:34:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-02 12:34:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:34:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2024-11-02 12:34:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2024-11-02 12:34:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 12:34:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 12:34:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2024-11-02 12:34:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2024-11-02 12:34:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-02 12:34:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-02 12:34:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-02 12:34:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-02 12:34:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-02 12:34:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-02 12:34:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-02 12:34:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-02 12:34:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-02 12:34:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-02 12:34:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-02 12:34:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-02 12:34:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:34:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-02 12:34:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-02 12:34:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-02 12:34:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-02 12:34:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_card_lock_of_fst_card_info [2024-11-02 12:34:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_card_lock_of_fst_card_info [2024-11-02 12:34:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:34:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2024-11-02 12:34:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2024-11-02 12:34:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-02 12:34:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-02 12:34:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:34:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:34:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:34:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-02 12:34:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-02 12:34:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-02 12:34:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-02 12:34:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-02 12:34:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-02 12:34:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2024-11-02 12:34:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2024-11-02 12:34:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-02 12:34:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-02 12:34:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-02 12:34:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-02 12:34:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-02 12:34:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-02 12:34:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-02 12:34:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-02 12:34:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-02 12:34:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-02 12:34:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-02 12:34:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-02 12:34:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-11-02 12:34:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-11-02 12:34:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:34:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:34:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:34:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:34:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:34:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:34:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-02 12:34:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-02 12:34:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-02 12:34:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-02 12:34:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 12:34:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 12:34:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-02 12:34:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-02 12:34:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-02 12:34:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-02 12:34:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-02 12:34:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-02 12:34:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:34:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-11-02 12:34:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-11-02 12:34:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:34:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-11-02 12:34:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-11-02 12:34:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:34:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-02 12:34:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-02 12:34:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 12:34:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 12:34:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-02 12:34:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-02 12:34:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-02 12:34:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-02 12:34:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-02 12:34:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-02 12:34:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-02 12:34:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-02 12:34:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-11-02 12:34:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-11-02 12:34:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-02 12:34:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-02 12:34:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2024-11-02 12:34:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2024-11-02 12:34:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-02 12:34:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-02 12:34:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-02 12:34:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-02 12:34:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_fst_work_q_lock [2024-11-02 12:34:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_fst_work_q_lock [2024-11-02 12:34:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-02 12:34:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-02 12:34:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:34:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2024-11-02 12:34:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2024-11-02 12:34:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:34:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:34:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-02 12:34:59,918 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-02 12:34:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-02 12:34:59,919 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-02 12:34:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2024-11-02 12:34:59,919 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2024-11-02 12:34:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2024-11-02 12:34:59,919 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2024-11-02 12:34:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-02 12:34:59,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-02 12:34:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-11-02 12:34:59,922 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-11-02 12:34:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2024-11-02 12:34:59,922 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2024-11-02 12:34:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-02 12:34:59,922 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-02 12:34:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-02 12:34:59,922 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-02 12:34:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-11-02 12:34:59,923 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-11-02 12:34:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2024-11-02 12:34:59,923 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2024-11-02 12:34:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:34:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2024-11-02 12:34:59,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2024-11-02 12:34:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-02 12:34:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-02 12:34:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-02 12:34:59,924 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-02 12:35:00,744 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:35:00,748 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:35:00,843 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:35:11,427 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-02 12:35:12,496 INFO L? ?]: Removed 2014 outVars from TransFormulas that were not future-live. [2024-11-02 12:35:12,496 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:35:14,332 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:35:14,335 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:35:14,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:14 BoogieIcfgContainer [2024-11-02 12:35:14,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:35:14,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:35:14,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:35:14,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:35:14,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:34:55" (1/3) ... [2024-11-02 12:35:14,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de64900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:14, skipping insertion in model container [2024-11-02 12:35:14,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:34:59" (2/3) ... [2024-11-02 12:35:14,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de64900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:35:14, skipping insertion in model container [2024-11-02 12:35:14,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:35:14" (3/3) ... [2024-11-02 12:35:14,347 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2024-11-02 12:35:14,369 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:35:14,369 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-02 12:35:14,500 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:35:14,507 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@1ef087bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:35:14,508 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-02 12:35:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 1488 states, 882 states have (on average 1.3038548752834467) internal successors, (1150), 894 states have internal predecessors, (1150), 512 states have call successors, (512), 92 states have call predecessors, (512), 91 states have return successors, (505), 503 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-02 12:35:14,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-02 12:35:14,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:35:14,535 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:35:14,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-02 12:35:14,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:35:14,542 INFO L85 PathProgramCache]: Analyzing trace with hash 958768824, now seen corresponding path program 1 times [2024-11-02 12:35:14,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:35:14,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749658371] [2024-11-02 12:35:14,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:35:14,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:35:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:35:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-02 12:35:21,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:35:21,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749658371] [2024-11-02 12:35:21,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749658371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:35:21,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:35:21,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:35:21,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129564159] [2024-11-02 12:35:21,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:35:21,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:35:21,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:35:21,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:35:21,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:35:21,337 INFO L87 Difference]: Start difference. First operand has 1488 states, 882 states have (on average 1.3038548752834467) internal successors, (1150), 894 states have internal predecessors, (1150), 512 states have call successors, (512), 92 states have call predecessors, (512), 91 states have return successors, (505), 503 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)