./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-sis-sis900.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX --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 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:50:54,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:54,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:50:54,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:54,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:54,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:54,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:54,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:54,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:54,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:54,878 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:54,879 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:54,879 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:54,881 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:50:54,882 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:54,882 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:54,883 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:50:54,883 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:50:54,884 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:54,884 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:50:54,885 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:50:54,885 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:50:54,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:54,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:54,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:50:54,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:54,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:54,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:54,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:54,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:54,892 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:54,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:54,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:54,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:54,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:54,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:54,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:54,894 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:50:54,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:50:54,895 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:54,895 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:54,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:54,896 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_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b [2023-11-12 00:50:55,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:55,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:55,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:55,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:55,252 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:55,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2023-11-12 00:50:58,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:50:59,230 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:50:59,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2023-11-12 00:50:59,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/data/49a3c105c/6b50a56a348c4ad6ad4f165badd85444/FLAG21751fdbd [2023-11-12 00:50:59,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/data/49a3c105c/6b50a56a348c4ad6ad4f165badd85444 [2023-11-12 00:50:59,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:50:59,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:50:59,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:59,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:50:59,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:50:59,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:59" (1/1) ... [2023-11-12 00:50:59,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c443bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:59, skipping insertion in model container [2023-11-12 00:50:59,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:59" (1/1) ... [2023-11-12 00:50:59,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:51:02,919 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_ba4047f2-699e-474b-aaa5-d8c436cd1843/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2023-11-12 00:51:02,925 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_ba4047f2-699e-474b-aaa5-d8c436cd1843/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2023-11-12 00:51:02,926 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_ba4047f2-699e-474b-aaa5-d8c436cd1843/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2023-11-12 00:51:02,926 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_ba4047f2-699e-474b-aaa5-d8c436cd1843/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2023-11-12 00:51:02,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:03,030 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:51:03,204 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"); [5236] [2023-11-12 00:51:03,206 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)); [5243] [2023-11-12 00:51:03,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5250] [2023-11-12 00:51:03,209 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)); [5286-5287] [2023-11-12 00:51:03,209 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"); [5292-5294] [2023-11-12 00:51:03,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5411] [2023-11-12 00:51:03,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5419] [2023-11-12 00:51:03,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5521-5522] [2023-11-12 00:51:03,227 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)); [5555-5556] [2023-11-12 00:51:03,543 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_ba4047f2-699e-474b-aaa5-d8c436cd1843/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2023-11-12 00:51:03,544 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_ba4047f2-699e-474b-aaa5-d8c436cd1843/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2023-11-12 00:51:03,545 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_ba4047f2-699e-474b-aaa5-d8c436cd1843/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2023-11-12 00:51:03,545 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_ba4047f2-699e-474b-aaa5-d8c436cd1843/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2023-11-12 00:51:03,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:03,834 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:51:03,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03 WrapperNode [2023-11-12 00:51:03,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:03,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:03,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:51:03,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:51:03,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:03,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:04,282 INFO L138 Inliner]: procedures = 454, calls = 1990, calls flagged for inlining = 238, calls inlined = 222, statements flattened = 6095 [2023-11-12 00:51:04,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:04,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:51:04,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:51:04,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:51:04,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:04,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:04,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:04,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:04,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:04,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:04,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:04,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:04,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:51:04,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:51:04,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:51:04,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:51:04,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (1/1) ... [2023-11-12 00:51:04,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:04,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:04,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:51:04,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4047f2-699e-474b-aaa5-d8c436cd1843/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:51:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2023-11-12 00:51:04,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2023-11-12 00:51:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-12 00:51:04,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-12 00:51:04,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:51:04,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:51:04,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:51:04,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:51:04,770 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:51:04,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:51:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:51:04,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:51:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:51:04,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:51:04,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:51:04,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:51:04,775 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 00:51:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 00:51:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:51:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:51:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-12 00:51:04,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-12 00:51:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2023-11-12 00:51:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2023-11-12 00:51:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-12 00:51:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-12 00:51:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2023-11-12 00:51:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2023-11-12 00:51:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2023-11-12 00:51:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2023-11-12 00:51:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:51:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:51:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:51:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:51:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2023-11-12 00:51:04,780 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2023-11-12 00:51:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:51:04,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:51:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:51:04,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:51:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:51:04,781 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:51:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:51:04,782 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:51:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:51:04,782 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:51:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:51:04,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:51:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2023-11-12 00:51:04,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2023-11-12 00:51:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2023-11-12 00:51:04,785 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2023-11-12 00:51:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2023-11-12 00:51:04,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2023-11-12 00:51:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:51:04,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:51:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:51:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2023-11-12 00:51:04,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2023-11-12 00:51:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2023-11-12 00:51:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2023-11-12 00:51:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:51:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:51:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sis900_private [2023-11-12 00:51:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sis900_private [2023-11-12 00:51:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:51:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:51:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:51:04,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:51:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2023-11-12 00:51:04,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2023-11-12 00:51:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:51:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 00:51:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 00:51:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sis900_private [2023-11-12 00:51:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sis900_private [2023-11-12 00:51:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:51:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:51:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:51:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:51:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:51:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:51:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:51:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:51:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:51:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:51:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2023-11-12 00:51:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2023-11-12 00:51:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2023-11-12 00:51:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2023-11-12 00:51:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:51:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:51:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:51:04,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:51:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:51:04,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:51:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:51:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:51:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:51:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:51:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:51:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-12 00:51:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-12 00:51:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_open [2023-11-12 00:51:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_open [2023-11-12 00:51:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:51:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:51:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_nway_reset [2023-11-12 00:51:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_nway_reset [2023-11-12 00:51:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:51:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:51:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:51:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:51:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:51:04,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:51:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 00:51:04,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 00:51:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:51:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:51:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_close [2023-11-12 00:51:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_close [2023-11-12 00:51:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:51:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:51:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:51:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:51:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:51:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:51:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:51:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:51:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2023-11-12 00:51:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2023-11-12 00:51:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:51:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:51:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:51:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:51:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:51:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:51:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:51:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:51:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-11-12 00:51:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-11-12 00:51:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 00:51:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 00:51:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:51:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:51:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:51:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2023-11-12 00:51:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2023-11-12 00:51:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:51:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 00:51:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 00:51:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2023-11-12 00:51:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2023-11-12 00:51:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:51:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:51:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:51:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-12 00:51:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-12 00:51:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:51:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:51:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:51:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:51:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2023-11-12 00:51:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2023-11-12 00:51:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 00:51:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 00:51:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-12 00:51:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-12 00:51:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2023-11-12 00:51:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2023-11-12 00:51:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:51:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:51:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:51:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:51:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-12 00:51:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-12 00:51:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:51:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:51:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:51:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:51:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2023-11-12 00:51:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2023-11-12 00:51:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:51:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:51:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:51:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2023-11-12 00:51:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2023-11-12 00:51:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2023-11-12 00:51:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2023-11-12 00:51:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2023-11-12 00:51:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2023-11-12 00:51:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:51:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:51:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 00:51:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 00:51:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:51:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:51:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:51:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:51:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:51:05,826 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:51:05,833 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:51:06,338 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:51:11,189 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:51:11,387 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:51:15,937 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:51:15,937 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:51:15,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:15 BoogieIcfgContainer [2023-11-12 00:51:15,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:51:15,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:51:15,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:51:15,951 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:51:15,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:50:59" (1/3) ... [2023-11-12 00:51:15,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5214b8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:15, skipping insertion in model container [2023-11-12 00:51:15,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:03" (2/3) ... [2023-11-12 00:51:15,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5214b8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:15, skipping insertion in model container [2023-11-12 00:51:15,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:15" (3/3) ... [2023-11-12 00:51:15,958 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2023-11-12 00:51:15,980 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:51:15,980 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:51:16,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:51:16,108 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;@34f0284b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:51:16,108 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:51:16,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 1557 states, 901 states have (on average 1.288568257491676) internal successors, (1161), 927 states have internal predecessors, (1161), 560 states have call successors, (560), 94 states have call predecessors, (560), 93 states have return successors, (554), 546 states have call predecessors, (554), 554 states have call successors, (554) [2023-11-12 00:51:16,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-12 00:51:16,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:16,163 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:16,163 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)] === [2023-11-12 00:51:16,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:16,171 INFO L85 PathProgramCache]: Analyzing trace with hash -14155745, now seen corresponding path program 1 times [2023-11-12 00:51:16,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:16,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677691729] [2023-11-12 00:51:16,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:16,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:17,114 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-12 00:51:17,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:51:17,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677691729] [2023-11-12 00:51:17,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677691729] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:17,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:17,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:51:17,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436588477] [2023-11-12 00:51:17,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:17,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:51:17,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:51:17,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:51:17,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:17,172 INFO L87 Difference]: Start difference. First operand has 1557 states, 901 states have (on average 1.288568257491676) internal successors, (1161), 927 states have internal predecessors, (1161), 560 states have call successors, (560), 94 states have call predecessors, (560), 93 states have return successors, (554), 546 states have call predecessors, (554), 554 states have call successors, (554) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 00:51:22,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:22,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:22,673 INFO L93 Difference]: Finished difference Result 4549 states and 6726 transitions. [2023-11-12 00:51:22,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:51:22,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 131 [2023-11-12 00:51:22,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:22,747 INFO L225 Difference]: With dead ends: 4549 [2023-11-12 00:51:22,747 INFO L226 Difference]: Without dead ends: 3005 [2023-11-12 00:51:22,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:22,790 INFO L413 NwaCegarLoop]: 1932 mSDtfsCounter, 2151 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2151 SdHoareTripleChecker+Valid, 3817 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:51:22,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2151 Valid, 3817 Invalid, 717 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-12 00:51:22,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2023-11-12 00:51:23,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 3001. [2023-11-12 00:51:23,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 1752 states have (on average 1.2825342465753424) internal successors, (2247), 1803 states have internal predecessors, (2247), 1064 states have call successors, (1064), 183 states have call predecessors, (1064), 182 states have return successors, (1060), 1044 states have call predecessors, (1060), 1060 states have call successors, (1060) [2023-11-12 00:51:23,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4371 transitions. [2023-11-12 00:51:23,176 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4371 transitions. Word has length 131 [2023-11-12 00:51:23,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:23,179 INFO L495 AbstractCegarLoop]: Abstraction has 3001 states and 4371 transitions. [2023-11-12 00:51:23,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 00:51:23,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4371 transitions. [2023-11-12 00:51:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 00:51:23,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:23,194 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:23,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:51:23,198 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2023-11-12 00:51:23,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:23,199 INFO L85 PathProgramCache]: Analyzing trace with hash -992113485, now seen corresponding path program 1 times [2023-11-12 00:51:23,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:23,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291798085] [2023-11-12 00:51:23,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:23,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-12 00:51:23,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:51:23,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291798085] [2023-11-12 00:51:23,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291798085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:23,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:23,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:51:23,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991888849] [2023-11-12 00:51:23,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:23,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:51:23,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:51:23,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:51:23,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:23,715 INFO L87 Difference]: Start difference. First operand 3001 states and 4371 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-12 00:51:26,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:29,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:30,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:30,529 INFO L93 Difference]: Finished difference Result 8865 states and 12917 transitions. [2023-11-12 00:51:30,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:51:30,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 135 [2023-11-12 00:51:30,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:30,592 INFO L225 Difference]: With dead ends: 8865 [2023-11-12 00:51:30,592 INFO L226 Difference]: Without dead ends: 5887 [2023-11-12 00:51:30,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:30,617 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 2192 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2192 SdHoareTripleChecker+Valid, 3786 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:51:30,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2192 Valid, 3786 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-12 00:51:30,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5887 states. [2023-11-12 00:51:31,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5887 to 5858. [2023-11-12 00:51:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5858 states, 3430 states have (on average 1.2836734693877552) internal successors, (4403), 3534 states have internal predecessors, (4403), 2066 states have call successors, (2066), 364 states have call predecessors, (2066), 359 states have return successors, (2068), 2017 states have call predecessors, (2068), 2062 states have call successors, (2068) [2023-11-12 00:51:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5858 states to 5858 states and 8537 transitions. [2023-11-12 00:51:31,212 INFO L78 Accepts]: Start accepts. Automaton has 5858 states and 8537 transitions. Word has length 135 [2023-11-12 00:51:31,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:31,213 INFO L495 AbstractCegarLoop]: Abstraction has 5858 states and 8537 transitions. [2023-11-12 00:51:31,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-12 00:51:31,214 INFO L276 IsEmpty]: Start isEmpty. Operand 5858 states and 8537 transitions. [2023-11-12 00:51:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-12 00:51:31,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:31,217 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:31,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:51:31,218 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2023-11-12 00:51:31,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:31,219 INFO L85 PathProgramCache]: Analyzing trace with hash -469457043, now seen corresponding path program 1 times [2023-11-12 00:51:31,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:31,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127118784] [2023-11-12 00:51:31,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:31,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:31,434 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-12 00:51:31,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:51:31,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127118784] [2023-11-12 00:51:31,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127118784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:31,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:31,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:51:31,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861047543] [2023-11-12 00:51:31,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:31,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:51:31,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:51:31,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:51:31,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:31,438 INFO L87 Difference]: Start difference. First operand 5858 states and 8537 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 00:51:34,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:38,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:40,379 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 [] [2023-11-12 00:51:40,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:40,816 INFO L93 Difference]: Finished difference Result 16688 states and 24243 transitions. [2023-11-12 00:51:40,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:51:40,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 137 [2023-11-12 00:51:40,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:40,935 INFO L225 Difference]: With dead ends: 16688 [2023-11-12 00:51:40,935 INFO L226 Difference]: Without dead ends: 10853 [2023-11-12 00:51:40,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:40,982 INFO L413 NwaCegarLoop]: 1911 mSDtfsCounter, 1888 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 3756 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:51:40,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 3756 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 731 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2023-11-12 00:51:41,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10853 states. [2023-11-12 00:51:42,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10853 to 10822. [2023-11-12 00:51:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10822 states, 6288 states have (on average 1.2708333333333333) internal successors, (7991), 6486 states have internal predecessors, (7991), 3840 states have call successors, (3840), 702 states have call predecessors, (3840), 691 states have return successors, (3850), 3743 states have call predecessors, (3850), 3836 states have call successors, (3850) [2023-11-12 00:51:42,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10822 states to 10822 states and 15681 transitions. [2023-11-12 00:51:42,158 INFO L78 Accepts]: Start accepts. Automaton has 10822 states and 15681 transitions. Word has length 137 [2023-11-12 00:51:42,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:42,160 INFO L495 AbstractCegarLoop]: Abstraction has 10822 states and 15681 transitions. [2023-11-12 00:51:42,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-12 00:51:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 10822 states and 15681 transitions. [2023-11-12 00:51:42,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-12 00:51:42,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:42,166 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:42,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:51:42,167 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2023-11-12 00:51:42,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:42,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1298852685, now seen corresponding path program 1 times [2023-11-12 00:51:42,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:42,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495637188] [2023-11-12 00:51:42,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:42,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2023-11-12 00:51:42,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:51:42,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495637188] [2023-11-12 00:51:42,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495637188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:42,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:42,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:51:42,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985964635] [2023-11-12 00:51:42,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:42,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:51:42,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:51:42,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:51:42,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:42,615 INFO L87 Difference]: Start difference. First operand 10822 states and 15681 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15)