./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-ethernet-dlink-sundance.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91 --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 d4784d7b609e947942ffa9f8266acf243583adf996e2bcae78fb9e8c8fa71002 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:49:53,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:49:53,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:49:53,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:49:53,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:49:53,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:49:53,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:49:53,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:49:53,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:49:53,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:49:53,304 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:49:53,304 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:49:53,305 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:49:53,306 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:49:53,306 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:49:53,307 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:49:53,307 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:49:53,308 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:49:53,309 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:49:53,309 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:49:53,310 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:49:53,314 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:49:53,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:49:53,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:49:53,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:49:53,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:49:53,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:49:53,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:49:53,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:49:53,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:49:53,320 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:49:53,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:49:53,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:49:53,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:49:53,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:49:53,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:49:53,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:49:53,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:49:53,323 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:49:53,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:49:53,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:49:53,324 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:49:53,324 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:49:53,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:49:53,325 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_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4784d7b609e947942ffa9f8266acf243583adf996e2bcae78fb9e8c8fa71002 [2023-11-24 23:49:53,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:49:53,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:49:53,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:49:53,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:49:53,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:49:53,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2023-11-24 23:49:56,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:49:57,454 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:49:57,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2023-11-24 23:49:57,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/data/484bda571/59e0e0e4c466498488074ead2b44f187/FLAG9d1b623b0 [2023-11-24 23:49:57,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/data/484bda571/59e0e0e4c466498488074ead2b44f187 [2023-11-24 23:49:57,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:49:57,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:49:57,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:49:57,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:49:57,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:49:57,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:57" (1/1) ... [2023-11-24 23:49:57,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2adb0e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:57, skipping insertion in model container [2023-11-24 23:49:57,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:57" (1/1) ... [2023-11-24 23:49:57,748 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:50:00,905 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349228,349241] [2023-11-24 23:50:00,910 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349397,349410] [2023-11-24 23:50:00,911 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349564,349577] [2023-11-24 23:50:00,912 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349732,349745] [2023-11-24 23:50:00,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:01,052 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:50:01,211 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"); [5263] [2023-11-24 23:50:01,213 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)); [5270] [2023-11-24 23:50:01,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5277] [2023-11-24 23:50:01,216 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)); [5316-5317] [2023-11-24 23:50:01,217 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"); [5322-5324] [2023-11-24 23:50:01,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5338] [2023-11-24 23:50:01,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [5345] [2023-11-24 23:50:01,231 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)); [5551-5552] [2023-11-24 23:50:01,234 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)); [5585-5586] [2023-11-24 23:50:01,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5622-5623] [2023-11-24 23:50:01,238 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)); [5659-5660] [2023-11-24 23:50:01,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6112] [2023-11-24 23:50:01,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6146] [2023-11-24 23:50:01,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6157] [2023-11-24 23:50:01,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6166] [2023-11-24 23:50:01,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7371] [2023-11-24 23:50:01,593 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349228,349241] [2023-11-24 23:50:01,594 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349397,349410] [2023-11-24 23:50:01,594 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349564,349577] [2023-11-24 23:50:01,595 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349732,349745] [2023-11-24 23:50:01,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:01,903 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:50:01,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01 WrapperNode [2023-11-24 23:50:01,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:01,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:01,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:50:01,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:50:01,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (1/1) ... [2023-11-24 23:50:02,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (1/1) ... [2023-11-24 23:50:02,296 INFO L138 Inliner]: procedures = 470, calls = 2204, calls flagged for inlining = 234, calls inlined = 217, statements flattened = 6350 [2023-11-24 23:50:02,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:02,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:50:02,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:50:02,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:50:02,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (1/1) ... [2023-11-24 23:50:02,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (1/1) ... [2023-11-24 23:50:02,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (1/1) ... [2023-11-24 23:50:02,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (1/1) ... [2023-11-24 23:50:02,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (1/1) ... [2023-11-24 23:50:02,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (1/1) ... [2023-11-24 23:50:02,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (1/1) ... [2023-11-24 23:50:02,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (1/1) ... [2023-11-24 23:50:02,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:50:02,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:50:02,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:50:02,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:50:02,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (1/1) ... [2023-11-24 23:50:02,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:02,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:50:02,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:50:02,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b91731-3ab1-42be-9059-89b823c48083/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:50:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2023-11-24 23:50:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2023-11-24 23:50:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-24 23:50:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-24 23:50:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:50:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:50:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:50:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:50:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:50:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:50:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:50:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:50:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:50:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:50:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:50:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:50:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:50:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:50:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-24 23:50:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-24 23:50:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-24 23:50:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-24 23:50:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure reset_tx [2023-11-24 23:50:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_tx [2023-11-24 23:50:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2023-11-24 23:50:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2023-11-24 23:50:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_76 [2023-11-24 23:50:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_76 [2023-11-24 23:50:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-24 23:50:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-24 23:50:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:50:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:50:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:50:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:50:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:50:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:50:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:50:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:50:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-24 23:50:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-24 23:50:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:50:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:50:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:50:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:50:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 23:50:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 23:50:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:50:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_69 [2023-11-24 23:50:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_69 [2023-11-24 23:50:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-24 23:50:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-24 23:50:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-24 23:50:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-24 23:50:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:50:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:50:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:50:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:50:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:50:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-24 23:50:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-24 23:50:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:50:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:50:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:50:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:50:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:50:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:50:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-24 23:50:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-24 23:50:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:50:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:50:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:50:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:50:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:50:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:50:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure check_duplex [2023-11-24 23:50:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure check_duplex [2023-11-24 23:50:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:50:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:50:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-24 23:50:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-24 23:50:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:50:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:50:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2023-11-24 23:50:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2023-11-24 23:50:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_resume [2023-11-24 23:50:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_resume [2023-11-24 23:50:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:50:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:50:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:50:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:50:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:50:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:50:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:50:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-24 23:50:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-24 23:50:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:50:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:50:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:50:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:50:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:50:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:50:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-24 23:50:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-24 23:50:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:50:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:50:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-24 23:50:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-24 23:50:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-24 23:50:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-24 23:50:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:50:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:50:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:50:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:50:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:50:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:50:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:50:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:50:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:50:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:50:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure __set_mac_addr [2023-11-24 23:50:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_mac_addr [2023-11-24 23:50:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-24 23:50:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-24 23:50:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:50:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:50:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sundance_exit_14_2 [2023-11-24 23:50:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sundance_exit_14_2 [2023-11-24 23:50:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:50:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:50:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:50:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:50:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-24 23:50:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-24 23:50:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:50:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:50:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2023-11-24 23:50:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2023-11-24 23:50:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_poll_controller [2023-11-24 23:50:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_poll_controller [2023-11-24 23:50:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:50:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:50:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2023-11-24 23:50:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2023-11-24 23:50:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-24 23:50:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-24 23:50:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:50:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:50:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:50:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:50:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-24 23:50:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-24 23:50:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-24 23:50:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-24 23:50:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:50:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:50:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:50:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:50:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:50:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_75 [2023-11-24 23:50:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_75 [2023-11-24 23:50:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:50:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-24 23:50:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-24 23:50:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-24 23:50:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-24 23:50:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:50:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:50:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:50:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2023-11-24 23:50:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2023-11-24 23:50:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-24 23:50:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-24 23:50:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:50:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:50:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-24 23:50:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-24 23:50:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:50:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:50:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-24 23:50:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-24 23:50:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-24 23:50:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-24 23:50:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-24 23:50:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-24 23:50:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_reset [2023-11-24 23:50:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_reset [2023-11-24 23:50:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:50:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:50:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-24 23:50:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-24 23:50:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:50:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:50:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:50:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:50:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:50:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:50:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_remove1 [2023-11-24 23:50:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_remove1 [2023-11-24 23:50:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_70 [2023-11-24 23:50:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_70 [2023-11-24 23:50:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:50:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:50:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:50:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-24 23:50:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-24 23:50:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2023-11-24 23:50:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2023-11-24 23:50:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:50:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:50:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-24 23:50:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-24 23:50:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:50:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:50:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-24 23:50:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-24 23:50:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:50:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:50:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:50:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-24 23:50:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-24 23:50:03,830 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:50:03,834 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:50:04,384 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:50:16,091 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:50:16,280 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:50:19,364 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:50:19,364 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 23:50:19,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:19 BoogieIcfgContainer [2023-11-24 23:50:19,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:50:19,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:50:19,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:50:19,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:50:19,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:49:57" (1/3) ... [2023-11-24 23:50:19,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2573373c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:19, skipping insertion in model container [2023-11-24 23:50:19,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:01" (2/3) ... [2023-11-24 23:50:19,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2573373c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:19, skipping insertion in model container [2023-11-24 23:50:19,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:19" (3/3) ... [2023-11-24 23:50:19,380 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2023-11-24 23:50:19,402 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:50:19,403 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:50:19,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:50:19,515 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7a5345d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:50:19,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:50:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 1561 states, 908 states have (on average 1.276431718061674) internal successors, (1159), 940 states have internal predecessors, (1159), 553 states have call successors, (553), 102 states have call predecessors, (553), 101 states have return successors, (547), 540 states have call predecessors, (547), 547 states have call successors, (547) [2023-11-24 23:50:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-24 23:50:19,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:19,568 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:50:19,568 INFO L420 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)] === [2023-11-24 23:50:19,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:19,574 INFO L85 PathProgramCache]: Analyzing trace with hash 633108810, now seen corresponding path program 1 times [2023-11-24 23:50:19,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:50:19,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839814122] [2023-11-24 23:50:19,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:19,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:50:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:50:36,705 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-24 23:50:36,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:50:36,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839814122] [2023-11-24 23:50:36,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839814122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:50:36,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:50:36,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:50:36,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258486877] [2023-11-24 23:50:36,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:50:36,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:50:36,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:50:36,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:50:36,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:50:36,775 INFO L87 Difference]: Start difference. First operand has 1561 states, 908 states have (on average 1.276431718061674) internal successors, (1159), 940 states have internal predecessors, (1159), 553 states have call successors, (553), 102 states have call predecessors, (553), 101 states have return successors, (547), 540 states have call predecessors, (547), 547 states have call successors, (547) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-24 23:50:38,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:50:41,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:50:47,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []