./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 0e0057cc 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_225215c4-46e8-4097-91b1-cb9b402c45b5/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/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_225215c4-46e8-4097-91b1-cb9b402c45b5/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/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-sis-sis900.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/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_225215c4-46e8-4097-91b1-cb9b402c45b5/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 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:53:05,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:53:05,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:53:05,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:53:05,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:53:05,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:53:05,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:53:05,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:53:05,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:53:05,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:53:05,271 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:53:05,272 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:53:05,272 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:53:05,274 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:53:05,275 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:53:05,275 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:53:05,276 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:53:05,276 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:53:05,277 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:53:05,277 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:53:05,278 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:53:05,279 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:53:05,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:53:05,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:53:05,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:53:05,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:53:05,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:53:05,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:53:05,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:53:05,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:53:05,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:53:05,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:53:05,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:53:05,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:53:05,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:53:05,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:53:05,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:53:05,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:53:05,287 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:53:05,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:53:05,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:53:05,288 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:53:05,289 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:53:05,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:53:05,290 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_225215c4-46e8-4097-91b1-cb9b402c45b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b [2023-11-24 23:53:05,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:53:05,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:53:05,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:53:05,664 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:53:05,665 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:53:05,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2023-11-24 23:53:08,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:53:09,548 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:53:09,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2023-11-24 23:53:09,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/bin/utaipan-verify-SwPr7d2a91/data/957141b6f/670e5cb90c544a599e26fd69332b525e/FLAG92601f02a [2023-11-24 23:53:09,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/bin/utaipan-verify-SwPr7d2a91/data/957141b6f/670e5cb90c544a599e26fd69332b525e [2023-11-24 23:53:09,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:53:09,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:53:09,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:53:09,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:53:09,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:53:09,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:53:09" (1/1) ... [2023-11-24 23:53:09,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfaeb87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:09, skipping insertion in model container [2023-11-24 23:53:09,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:53:09" (1/1) ... [2023-11-24 23:53:09,817 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:53:13,251 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_225215c4-46e8-4097-91b1-cb9b402c45b5/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] [2023-11-24 23:53:13,257 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_225215c4-46e8-4097-91b1-cb9b402c45b5/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] [2023-11-24 23:53:13,257 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_225215c4-46e8-4097-91b1-cb9b402c45b5/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] [2023-11-24 23:53:13,258 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_225215c4-46e8-4097-91b1-cb9b402c45b5/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] [2023-11-24 23:53:13,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:53:13,319 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:53:13,423 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] [2023-11-24 23:53:13,425 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] [2023-11-24 23:53:13,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5250] [2023-11-24 23:53:13,427 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] [2023-11-24 23:53:13,428 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] [2023-11-24 23:53:13,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5411] [2023-11-24 23:53:13,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5419] [2023-11-24 23:53:13,438 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] [2023-11-24 23:53:13,440 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] [2023-11-24 23:53:13,681 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_225215c4-46e8-4097-91b1-cb9b402c45b5/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] [2023-11-24 23:53:13,682 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_225215c4-46e8-4097-91b1-cb9b402c45b5/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] [2023-11-24 23:53:13,683 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_225215c4-46e8-4097-91b1-cb9b402c45b5/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] [2023-11-24 23:53:13,683 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_225215c4-46e8-4097-91b1-cb9b402c45b5/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] [2023-11-24 23:53:13,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:53:13,931 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:53:13,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13 WrapperNode [2023-11-24 23:53:13,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:53:13,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:53:13,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:53:13,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:53:13,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (1/1) ... [2023-11-24 23:53:14,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (1/1) ... [2023-11-24 23:53:14,336 INFO L138 Inliner]: procedures = 454, calls = 1990, calls flagged for inlining = 238, calls inlined = 222, statements flattened = 6165 [2023-11-24 23:53:14,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:53:14,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:53:14,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:53:14,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:53:14,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (1/1) ... [2023-11-24 23:53:14,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (1/1) ... [2023-11-24 23:53:14,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (1/1) ... [2023-11-24 23:53:14,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (1/1) ... [2023-11-24 23:53:14,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (1/1) ... [2023-11-24 23:53:14,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (1/1) ... [2023-11-24 23:53:14,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (1/1) ... [2023-11-24 23:53:14,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (1/1) ... [2023-11-24 23:53:14,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:53:14,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:53:14,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:53:14,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:53:14,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (1/1) ... [2023-11-24 23:53:14,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:53:14,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:53:14,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:53:14,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_225215c4-46e8-4097-91b1-cb9b402c45b5/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:53:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2023-11-24 23:53:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2023-11-24 23:53:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-24 23:53:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-24 23:53:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:53:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:53:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:53:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:53:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:53:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:53:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:53:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:53:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:53:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:53:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:53:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:53:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-24 23:53:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-24 23:53:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:53:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:53:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-24 23:53:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-24 23:53:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2023-11-24 23:53:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2023-11-24 23:53:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-24 23:53:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-24 23:53:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2023-11-24 23:53:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2023-11-24 23:53:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2023-11-24 23:53:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2023-11-24 23:53:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-24 23:53:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-24 23:53:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:53:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:53:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2023-11-24 23:53:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2023-11-24 23:53:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:53:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:53:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:53:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:53:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:53:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:53:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-24 23:53:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-24 23:53:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:53:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:53:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:53:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:53:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2023-11-24 23:53:14,924 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2023-11-24 23:53:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2023-11-24 23:53:14,924 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2023-11-24 23:53:14,924 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2023-11-24 23:53:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2023-11-24 23:53:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:53:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:53:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:53:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2023-11-24 23:53:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2023-11-24 23:53:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2023-11-24 23:53:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2023-11-24 23:53:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:53:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:53:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sis900_private [2023-11-24 23:53:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sis900_private [2023-11-24 23:53:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:53:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:53:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:53:14,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:53:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2023-11-24 23:53:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2023-11-24 23:53:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:53:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-24 23:53:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-24 23:53:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sis900_private [2023-11-24 23:53:14,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sis900_private [2023-11-24 23:53:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:53:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:53:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:53:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:53:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:53:14,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:53:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:53:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:53:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:53:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:53:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2023-11-24 23:53:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2023-11-24 23:53:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2023-11-24 23:53:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2023-11-24 23:53:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:53:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:53:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:53:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:53:14,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:53:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:53:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:53:14,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:53:14,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:53:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:53:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:53:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-24 23:53:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-24 23:53:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_open [2023-11-24 23:53:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_open [2023-11-24 23:53:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:53:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:53:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_nway_reset [2023-11-24 23:53:14,938 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_nway_reset [2023-11-24 23:53:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:53:14,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:53:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:53:14,939 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:53:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:53:14,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:53:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-24 23:53:14,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-24 23:53:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:53:14,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:53:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_close [2023-11-24 23:53:14,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_close [2023-11-24 23:53:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:53:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:53:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:53:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:53:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-24 23:53:14,942 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-24 23:53:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:53:14,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:53:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2023-11-24 23:53:14,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2023-11-24 23:53:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:53:14,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:53:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:53:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:53:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-24 23:53:14,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-24 23:53:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:53:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:53:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-11-24 23:53:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-11-24 23:53:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-24 23:53:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-24 23:53:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:53:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:53:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:53:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2023-11-24 23:53:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2023-11-24 23:53:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:53:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-24 23:53:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-24 23:53:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2023-11-24 23:53:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2023-11-24 23:53:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:53:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:53:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:53:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-24 23:53:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-24 23:53:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:53:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:53:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:53:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:53:14,962 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2023-11-24 23:53:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2023-11-24 23:53:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-24 23:53:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-24 23:53:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-24 23:53:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-24 23:53:14,963 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2023-11-24 23:53:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2023-11-24 23:53:14,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:53:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:53:14,964 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:53:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:53:14,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-24 23:53:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-24 23:53:14,965 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:53:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:53:14,965 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:53:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:53:14,965 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2023-11-24 23:53:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2023-11-24 23:53:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:53:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:53:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:53:14,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2023-11-24 23:53:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2023-11-24 23:53:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2023-11-24 23:53:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2023-11-24 23:53:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2023-11-24 23:53:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2023-11-24 23:53:14,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:53:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:53:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-24 23:53:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-24 23:53:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:53:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:53:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:53:14,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:53:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:53:15,945 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:53:15,955 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:53:16,575 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:53:20,760 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:53:21,008 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:53:25,061 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:53:25,062 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:53:25,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:53:25 BoogieIcfgContainer [2023-11-24 23:53:25,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:53:25,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:53:25,068 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:53:25,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:53:25,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:53:09" (1/3) ... [2023-11-24 23:53:25,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e0d8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:53:25, skipping insertion in model container [2023-11-24 23:53:25,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:13" (2/3) ... [2023-11-24 23:53:25,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e0d8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:53:25, skipping insertion in model container [2023-11-24 23:53:25,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:53:25" (3/3) ... [2023-11-24 23:53:25,076 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2023-11-24 23:53:25,098 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:53:25,099 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:53:25,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:53:25,222 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;@1e17e052, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:53:25,223 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:53:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 1562 states, 906 states have (on average 1.2869757174392935) internal successors, (1166), 929 states have internal predecessors, (1166), 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) [2023-11-24 23:53:25,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-24 23:53:25,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:53:25,263 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] [2023-11-24 23:53:25,264 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 23:53:25,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:53:25,272 INFO L85 PathProgramCache]: Analyzing trace with hash -287016854, now seen corresponding path program 1 times [2023-11-24 23:53:25,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:53:25,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494460453] [2023-11-24 23:53:25,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:25,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:53:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:53:26,212 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-24 23:53:26,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:53:26,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494460453] [2023-11-24 23:53:26,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494460453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:53:26,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:53:26,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:53:26,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552378210] [2023-11-24 23:53:26,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:53:26,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:53:26,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:53:26,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:53:26,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:53:26,259 INFO L87 Difference]: Start difference. First operand has 1562 states, 906 states have (on average 1.2869757174392935) internal successors, (1166), 929 states have internal predecessors, (1166), 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) [2023-11-24 23:53:30,519 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 [] [2023-11-24 23:53:33,586 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 [] [2023-11-24 23:53:34,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:53:34,053 INFO L93 Difference]: Finished difference Result 4564 states and 6741 transitions. [2023-11-24 23:53:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:53:34,057 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 [2023-11-24 23:53:34,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:53:34,112 INFO L225 Difference]: With dead ends: 4564 [2023-11-24 23:53:34,113 INFO L226 Difference]: Without dead ends: 3015 [2023-11-24 23:53:34,239 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 [2023-11-24 23:53:34,243 INFO L413 NwaCegarLoop]: 1937 mSDtfsCounter, 2156 mSDsluCounter, 1890 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2156 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:53:34,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2156 Valid, 3827 Invalid, 718 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 707 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2023-11-24 23:53:34,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2023-11-24 23:53:34,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 3011. [2023-11-24 23:53:34,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3011 states, 1762 states have (on average 1.2809307604994324) internal successors, (2257), 1807 states have internal predecessors, (2257), 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) [2023-11-24 23:53:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 3011 states and 4381 transitions. [2023-11-24 23:53:34,603 INFO L78 Accepts]: Start accepts. Automaton has 3011 states and 4381 transitions. Word has length 131 [2023-11-24 23:53:34,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:53:34,605 INFO L495 AbstractCegarLoop]: Abstraction has 3011 states and 4381 transitions. [2023-11-24 23:53:34,606 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) [2023-11-24 23:53:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 4381 transitions. [2023-11-24 23:53:34,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-24 23:53:34,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:53:34,612 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] [2023-11-24 23:53:34,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:53:34,613 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)] === [2023-11-24 23:53:34,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:53:34,614 INFO L85 PathProgramCache]: Analyzing trace with hash 885456158, now seen corresponding path program 1 times [2023-11-24 23:53:34,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:53:34,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538253092] [2023-11-24 23:53:34,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:34,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:53:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:53:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-24 23:53:34,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:53:34,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538253092] [2023-11-24 23:53:34,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538253092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:53:34,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:53:34,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:53:34,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327218310] [2023-11-24 23:53:34,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:53:34,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:53:34,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:53:34,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:53:34,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:53:34,983 INFO L87 Difference]: Start difference. First operand 3011 states and 4381 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) [2023-11-24 23:53:37,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:40,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:43,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:45,485 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 [] [2023-11-24 23:53:46,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:53:46,036 INFO L93 Difference]: Finished difference Result 8895 states and 12947 transitions. [2023-11-24 23:53:46,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:53:46,037 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 [2023-11-24 23:53:46,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:53:46,104 INFO L225 Difference]: With dead ends: 8895 [2023-11-24 23:53:46,104 INFO L226 Difference]: Without dead ends: 5907 [2023-11-24 23:53:46,130 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 [2023-11-24 23:53:46,132 INFO L413 NwaCegarLoop]: 1945 mSDtfsCounter, 2197 mSDsluCounter, 1851 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2197 SdHoareTripleChecker+Valid, 3796 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:53:46,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2197 Valid, 3796 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 699 Invalid, 4 Unknown, 0 Unchecked, 10.6s Time] [2023-11-24 23:53:46,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5907 states. [2023-11-24 23:53:46,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5907 to 5878. [2023-11-24 23:53:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5878 states, 3450 states have (on average 1.2820289855072464) internal successors, (4423), 3542 states have internal predecessors, (4423), 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) [2023-11-24 23:53:46,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5878 states to 5878 states and 8557 transitions. [2023-11-24 23:53:46,732 INFO L78 Accepts]: Start accepts. Automaton has 5878 states and 8557 transitions. Word has length 135 [2023-11-24 23:53:46,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:53:46,734 INFO L495 AbstractCegarLoop]: Abstraction has 5878 states and 8557 transitions. [2023-11-24 23:53:46,735 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) [2023-11-24 23:53:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 5878 states and 8557 transitions. [2023-11-24 23:53:46,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-24 23:53:46,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:53:46,740 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] [2023-11-24 23:53:46,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:53:46,742 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)] === [2023-11-24 23:53:46,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:53:46,748 INFO L85 PathProgramCache]: Analyzing trace with hash 704123452, now seen corresponding path program 1 times [2023-11-24 23:53:46,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:53:46,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122379165] [2023-11-24 23:53:46,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:46,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:53:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:53:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-24 23:53:47,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:53:47,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122379165] [2023-11-24 23:53:47,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122379165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:53:47,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:53:47,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:53:47,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176394081] [2023-11-24 23:53:47,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:53:47,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:53:47,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:53:47,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:53:47,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:53:47,014 INFO L87 Difference]: Start difference. First operand 5878 states and 8557 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) [2023-11-24 23:53:50,240 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 [] [2023-11-24 23:53:54,318 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 []