./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-hippi-rrunner.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/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_955b1ac4-f693-4e1d-b31d-f5df07154ddb/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/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-hippi-rrunner.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/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_955b1ac4-f693-4e1d-b31d-f5df07154ddb/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 10193951df4eb6f67d99eaaa8758acfa57b6461ca38071389a41cbdc5c585dfb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:22:49,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:22:49,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:22:50,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:22:50,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:22:50,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:22:50,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:22:50,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:22:50,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:22:50,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:22:50,054 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:22:50,055 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:22:50,056 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:22:50,056 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:22:50,058 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:22:50,059 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:22:50,059 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:22:50,059 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:22:50,060 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:22:50,060 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:22:50,060 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:22:50,065 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:22:50,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:22:50,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:22:50,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:22:50,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:22:50,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:22:50,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:22:50,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:22:50,068 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:22:50,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:22:50,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:22:50,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:22:50,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:22:50,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:22:50,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:22:50,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:22:50,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:22:50,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:22:50,072 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:22:50,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:22:50,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:22:50,073 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:22:50,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:22:50,074 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_955b1ac4-f693-4e1d-b31d-f5df07154ddb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10193951df4eb6f67d99eaaa8758acfa57b6461ca38071389a41cbdc5c585dfb [2024-11-02 12:22:50,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:22:50,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:22:50,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:22:50,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:22:50,408 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:22:50,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i Unable to find full path for "g++" [2024-11-02 12:22:52,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:22:53,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:22:53,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i [2024-11-02 12:22:53,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/bin/utaipan-verify-DbMuA5NWw2/data/4d1e4142b/7e012fb64c834fa7a2fd49e3d4b69cb4/FLAG89eef61a9 [2024-11-02 12:22:53,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/bin/utaipan-verify-DbMuA5NWw2/data/4d1e4142b/7e012fb64c834fa7a2fd49e3d4b69cb4 [2024-11-02 12:22:53,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:22:53,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:22:53,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:22:53,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:22:53,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:22:53,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:22:53" (1/1) ... [2024-11-02 12:22:53,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413dc59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:53, skipping insertion in model container [2024-11-02 12:22:53,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:22:53" (1/1) ... [2024-11-02 12:22:53,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:22:56,882 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_955b1ac4-f693-4e1d-b31d-f5df07154ddb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341176,341189] [2024-11-02 12:22:56,887 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_955b1ac4-f693-4e1d-b31d-f5df07154ddb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341345,341358] [2024-11-02 12:22:56,888 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_955b1ac4-f693-4e1d-b31d-f5df07154ddb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341512,341525] [2024-11-02 12:22:56,889 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_955b1ac4-f693-4e1d-b31d-f5df07154ddb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341680,341693] [2024-11-02 12:22:56,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:22:56,948 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:22:57,078 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"); [5891] [2024-11-02 12:22:57,080 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)); [5898] [2024-11-02 12:22:57,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5905] [2024-11-02 12:22:57,084 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)); [5960-5961] [2024-11-02 12:22:57,085 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"); [5966-5968] [2024-11-02 12:22:57,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5982] [2024-11-02 12:22:57,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6078] [2024-11-02 12:22:57,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6085] [2024-11-02 12:22:57,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6245-6246] [2024-11-02 12:22:57,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6279-6280] [2024-11-02 12:22:57,099 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)); [6316-6317] [2024-11-02 12:22:57,101 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)); [6353-6354] [2024-11-02 12:22:57,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6852] [2024-11-02 12:22:57,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6864] [2024-11-02 12:22:57,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6877] [2024-11-02 12:22:57,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7146] [2024-11-02 12:22:57,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7149] [2024-11-02 12:22:57,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7218] [2024-11-02 12:22:57,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7221] [2024-11-02 12:22:57,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7224] [2024-11-02 12:22:57,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7247] [2024-11-02 12:22:57,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7254] [2024-11-02 12:22:57,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7257] [2024-11-02 12:22:57,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7269] [2024-11-02 12:22:57,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7316] [2024-11-02 12:22:57,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7323] [2024-11-02 12:22:57,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7332] [2024-11-02 12:22:57,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7344] [2024-11-02 12:22:57,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7372] [2024-11-02 12:22:57,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7450] [2024-11-02 12:22:57,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7521] [2024-11-02 12:22:57,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7524] [2024-11-02 12:22:57,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7568] [2024-11-02 12:22:57,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7770] [2024-11-02 12:22:57,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7798] [2024-11-02 12:22:57,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7806] [2024-11-02 12:22:57,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7831] [2024-11-02 12:22:57,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7845] [2024-11-02 12:22:57,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7853] [2024-11-02 12:22:57,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7861] [2024-11-02 12:22:57,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7869] [2024-11-02 12:22:57,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7932] [2024-11-02 12:22:57,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7940] [2024-11-02 12:22:57,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7948] [2024-11-02 12:22:57,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7970] [2024-11-02 12:22:57,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8069] [2024-11-02 12:22:57,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8145] [2024-11-02 12:22:57,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8168] [2024-11-02 12:22:57,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8258] [2024-11-02 12:22:57,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8335] [2024-11-02 12:22:57,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8662] [2024-11-02 12:22:57,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8735] [2024-11-02 12:22:57,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8737] [2024-11-02 12:22:57,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8747] [2024-11-02 12:22:57,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8796] [2024-11-02 12:22:57,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8798] [2024-11-02 12:22:57,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8817] [2024-11-02 12:22:57,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9022] [2024-11-02 12:22:57,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9025] [2024-11-02 12:22:57,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9028] [2024-11-02 12:22:57,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9031] [2024-11-02 12:22:57,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9034] [2024-11-02 12:22:57,382 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_955b1ac4-f693-4e1d-b31d-f5df07154ddb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341176,341189] [2024-11-02 12:22:57,383 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_955b1ac4-f693-4e1d-b31d-f5df07154ddb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341345,341358] [2024-11-02 12:22:57,383 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_955b1ac4-f693-4e1d-b31d-f5df07154ddb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341512,341525] [2024-11-02 12:22:57,384 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_955b1ac4-f693-4e1d-b31d-f5df07154ddb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341680,341693] [2024-11-02 12:22:57,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:22:57,513 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:22:57,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57 WrapperNode [2024-11-02 12:22:57,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:22:57,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:22:57,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:22:57,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:22:57,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (1/1) ... [2024-11-02 12:22:57,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (1/1) ... [2024-11-02 12:22:57,907 INFO L138 Inliner]: procedures = 426, calls = 1839, calls flagged for inlining = 206, calls inlined = 187, statements flattened = 5242 [2024-11-02 12:22:57,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:22:57,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:22:57,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:22:57,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:22:57,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (1/1) ... [2024-11-02 12:22:57,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (1/1) ... [2024-11-02 12:22:57,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (1/1) ... [2024-11-02 12:22:57,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (1/1) ... [2024-11-02 12:22:58,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (1/1) ... [2024-11-02 12:22:58,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (1/1) ... [2024-11-02 12:22:58,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (1/1) ... [2024-11-02 12:22:58,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (1/1) ... [2024-11-02 12:22:58,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:22:58,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:22:58,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:22:58,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:22:58,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (1/1) ... [2024-11-02 12:22:58,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:22:58,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:22:58,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:22:58,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955b1ac4-f693-4e1d-b31d-f5df07154ddb/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:22:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-11-02 12:22:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-11-02 12:22:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-02 12:22:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-02 12:22:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-02 12:22:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-02 12:22:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2024-11-02 12:22:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2024-11-02 12:22:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-02 12:22:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-02 12:22:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:22:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:22:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rr_driver_exit_13_2 [2024-11-02 12:22:58,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rr_driver_exit_13_2 [2024-11-02 12:22:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rr_private [2024-11-02 12:22:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rr_private [2024-11-02 12:22:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-02 12:22:58,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-02 12:22:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-02 12:22:58,277 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-02 12:22:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-02 12:22:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-02 12:22:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-02 12:22:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-02 12:22:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-02 12:22:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-02 12:22:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:22:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-02 12:22:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-02 12:22:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-02 12:22:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-02 12:22:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2024-11-02 12:22:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2024-11-02 12:22:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-02 12:22:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-02 12:22:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2024-11-02 12:22:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2024-11-02 12:22:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:22:58,281 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-02 12:22:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-02 12:22:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-02 12:22:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-02 12:22:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2024-11-02 12:22:58,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2024-11-02 12:22:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:22:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-02 12:22:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-02 12:22:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:22:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-02 12:22:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-02 12:22:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 12:22:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 12:22:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-02 12:22:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-02 12:22:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-02 12:22:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-02 12:22:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-02 12:22:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-02 12:22:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-02 12:22:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-02 12:22:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-02 12:22:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-02 12:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-02 12:22:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-02 12:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-02 12:22:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-02 12:22:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-02 12:22:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-02 12:22:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:22:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:22:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:22:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-02 12:22:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-02 12:22:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-02 12:22:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-02 12:22:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rr_private [2024-11-02 12:22:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rr_private [2024-11-02 12:22:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-02 12:22:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-02 12:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-02 12:22:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-02 12:22:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-02 12:22:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-02 12:22:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-02 12:22:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-02 12:22:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-02 12:22:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-02 12:22:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-02 12:22:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-02 12:22:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:22:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:22:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-02 12:22:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-02 12:22:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:22:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:22:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:22:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:22:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-02 12:22:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-02 12:22:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-02 12:22:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-02 12:22:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure rr_remove_one [2024-11-02 12:22:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_remove_one [2024-11-02 12:22:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-02 12:22:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-02 12:22:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-02 12:22:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-02 12:22:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-02 12:22:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-02 12:22:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-02 12:22:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-02 12:22:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2024-11-02 12:22:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2024-11-02 12:22:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-02 12:22:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-02 12:22:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-02 12:22:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-02 12:22:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:22:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure rr_open [2024-11-02 12:22:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_open [2024-11-02 12:22:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:22:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-02 12:22:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-02 12:22:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-02 12:22:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-02 12:22:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-02 12:22:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-02 12:22:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-02 12:22:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-02 12:22:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-02 12:22:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-02 12:22:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-02 12:22:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-02 12:22:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-02 12:22:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-02 12:22:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-02 12:22:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-02 12:22:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-02 12:22:58,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-02 12:22:58,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:22:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:22:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:22:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2024-11-02 12:22:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2024-11-02 12:22:58,310 INFO L130 BoogieDeclarations]: Found specification of procedure rr_close [2024-11-02 12:22:58,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_close [2024-11-02 12:22:58,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-02 12:22:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-02 12:22:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-02 12:22:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-02 12:22:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-02 12:22:58,312 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-02 12:22:58,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:22:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-02 12:22:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-02 12:22:58,313 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2024-11-02 12:22:58,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2024-11-02 12:22:59,334 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:22:59,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:00,335 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:23:07,120 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-02 12:23:08,346 INFO L? ?]: Removed 2111 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:08,346 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:10,346 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:10,347 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:23:10,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:10 BoogieIcfgContainer [2024-11-02 12:23:10,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:10,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:10,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:10,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:10,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:22:53" (1/3) ... [2024-11-02 12:23:10,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4b9560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:10, skipping insertion in model container [2024-11-02 12:23:10,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:22:57" (2/3) ... [2024-11-02 12:23:10,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4b9560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:10, skipping insertion in model container [2024-11-02 12:23:10,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:10" (3/3) ... [2024-11-02 12:23:10,364 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i [2024-11-02 12:23:10,390 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:10,390 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-02 12:23:10,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:10,564 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;@6cfc0c8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:10,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-02 12:23:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 1407 states, 783 states have (on average 1.2733077905491699) internal successors, (997), 796 states have internal predecessors, (997), 550 states have call successors, (550), 72 states have call predecessors, (550), 71 states have return successors, (544), 543 states have call predecessors, (544), 544 states have call successors, (544) [2024-11-02 12:23:10,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-02 12:23:10,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:10,604 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:23:10,606 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 12:23:10,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:10,612 INFO L85 PathProgramCache]: Analyzing trace with hash 455769060, now seen corresponding path program 1 times [2024-11-02 12:23:10,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:10,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367051377] [2024-11-02 12:23:10,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:10,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-02 12:23:17,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:23:17,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367051377] [2024-11-02 12:23:17,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367051377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:17,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:17,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:23:17,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682380291] [2024-11-02 12:23:17,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:17,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:23:17,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:23:17,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:23:17,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:23:17,895 INFO L87 Difference]: Start difference. First operand has 1407 states, 783 states have (on average 1.2733077905491699) internal successors, (997), 796 states have internal predecessors, (997), 550 states have call successors, (550), 72 states have call predecessors, (550), 71 states have return successors, (544), 543 states have call predecessors, (544), 544 states have call successors, (544) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-02 12:23:20,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []