./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-usb-smsc75xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/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_0a147dcf-296b-41a3-b806-2d8ab12c5d59/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/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-usb-smsc75xx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/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_0a147dcf-296b-41a3-b806-2d8ab12c5d59/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 24362a0e750636c52038fc4d3468ffab15d6b74376c584ca05819f34fdf58260 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:52:12,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:52:12,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:52:12,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:52:12,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:52:12,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:52:12,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:52:12,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:52:12,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:52:12,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:52:12,283 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:52:12,283 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:52:12,284 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:52:12,285 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:52:12,285 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:52:12,286 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:52:12,286 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:52:12,287 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:52:12,287 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:52:12,288 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:52:12,288 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:52:12,289 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:52:12,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:52:12,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:52:12,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:52:12,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:52:12,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:52:12,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:52:12,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:52:12,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:52:12,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:52:12,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:52:12,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:52:12,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:52:12,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:12,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:52:12,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:52:12,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:52:12,297 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:52:12,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:52:12,298 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:52:12,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:52:12,299 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:52:12,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:52:12,300 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_0a147dcf-296b-41a3-b806-2d8ab12c5d59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24362a0e750636c52038fc4d3468ffab15d6b74376c584ca05819f34fdf58260 [2023-11-24 23:52:12,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:52:12,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:52:12,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:52:12,605 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:52:12,606 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:52:12,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2023-11-24 23:52:15,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:52:16,401 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:52:16,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2023-11-24 23:52:16,459 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/bin/utaipan-verify-SwPr7d2a91/data/25ac904ba/a3ac56d6df9c4bf0b4ac4ac28d7ce696/FLAG8f932528c [2023-11-24 23:52:16,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/bin/utaipan-verify-SwPr7d2a91/data/25ac904ba/a3ac56d6df9c4bf0b4ac4ac28d7ce696 [2023-11-24 23:52:16,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:52:16,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:52:16,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:16,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:52:16,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:52:16,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:16" (1/1) ... [2023-11-24 23:52:16,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ef7959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:16, skipping insertion in model container [2023-11-24 23:52:16,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:16" (1/1) ... [2023-11-24 23:52:16,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:52:19,483 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_0a147dcf-296b-41a3-b806-2d8ab12c5d59/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2023-11-24 23:52:19,496 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_0a147dcf-296b-41a3-b806-2d8ab12c5d59/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2023-11-24 23:52:19,497 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_0a147dcf-296b-41a3-b806-2d8ab12c5d59/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2023-11-24 23:52:19,498 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_0a147dcf-296b-41a3-b806-2d8ab12c5d59/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2023-11-24 23:52:19,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:19,634 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:52:19,866 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 *)"drivers/net/usb/smsc75xx.c"), "i" (91), "i" (12UL)); [5786-5787] [2023-11-24 23:52:19,870 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 *)"drivers/net/usb/smsc75xx.c"), "i" (118), "i" (12UL)); [5826-5827] [2023-11-24 23:52:19,883 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 *)"drivers/net/usb/smsc75xx.c"), "i" (355), "i" (12UL)); [6178-6179] [2023-11-24 23:52:19,883 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 *)"drivers/net/usb/smsc75xx.c"), "i" (356), "i" (12UL)); [6189-6190] [2023-11-24 23:52:19,886 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 *)"drivers/net/usb/smsc75xx.c"), "i" (393), "i" (12UL)); [6258-6259] [2023-11-24 23:52:19,886 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 *)"drivers/net/usb/smsc75xx.c"), "i" (394), "i" (12UL)); [6269-6270] [2023-11-24 23:52:20,168 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_0a147dcf-296b-41a3-b806-2d8ab12c5d59/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2023-11-24 23:52:20,169 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_0a147dcf-296b-41a3-b806-2d8ab12c5d59/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2023-11-24 23:52:20,169 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_0a147dcf-296b-41a3-b806-2d8ab12c5d59/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2023-11-24 23:52:20,170 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_0a147dcf-296b-41a3-b806-2d8ab12c5d59/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2023-11-24 23:52:20,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:20,429 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:52:20,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20 WrapperNode [2023-11-24 23:52:20,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:20,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:20,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:52:20,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:52:20,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (1/1) ... [2023-11-24 23:52:20,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (1/1) ... [2023-11-24 23:52:20,824 INFO L138 Inliner]: procedures = 390, calls = 3987, calls flagged for inlining = 181, calls inlined = 164, statements flattened = 9453 [2023-11-24 23:52:20,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:20,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:52:20,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:52:20,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:52:20,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (1/1) ... [2023-11-24 23:52:20,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (1/1) ... [2023-11-24 23:52:20,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (1/1) ... [2023-11-24 23:52:20,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (1/1) ... [2023-11-24 23:52:21,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (1/1) ... [2023-11-24 23:52:21,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (1/1) ... [2023-11-24 23:52:21,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (1/1) ... [2023-11-24 23:52:21,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (1/1) ... [2023-11-24 23:52:21,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:52:21,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:52:21,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:52:21,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:52:21,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (1/1) ... [2023-11-24 23:52:21,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:21,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:52:21,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:52:21,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a147dcf-296b-41a3-b806-2d8ab12c5d59/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:52:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg_nopm [2023-11-24 23:52:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg_nopm [2023-11-24 23:52:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:52:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:52:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2023-11-24 23:52:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2023-11-24 23:52:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:52:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:52:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2023-11-24 23:52:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2023-11-24 23:52:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:52:21,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:52:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-24 23:52:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-24 23:52:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enable_phy_wakeup_interrupts [2023-11-24 23:52:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enable_phy_wakeup_interrupts [2023-11-24 23:52:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_reset [2023-11-24 23:52:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_reset [2023-11-24 23:52:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_eeprom [2023-11-24 23:52:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_eeprom [2023-11-24 23:52:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_write [2023-11-24 23:52:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_write [2023-11-24 23:52:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-24 23:52:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-24 23:52:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:52:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:52:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2023-11-24 23:52:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-24 23:52:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-24 23:52:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_rx_csum_offload [2023-11-24 23:52:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_rx_csum_offload [2023-11-24 23:52:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:52:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:52:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:52:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:52:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:52:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_features [2023-11-24 23:52:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_features [2023-11-24 23:52:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-24 23:52:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-24 23:52:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:52:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-24 23:52:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-24 23:52:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:52:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:52:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:52:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-24 23:52:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-24 23:52:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read_nopm [2023-11-24 23:52:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read_nopm [2023-11-24 23:52:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:52:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:52:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:52:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2023-11-24 23:52:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_phy_wait_not_busy [2023-11-24 23:52:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_phy_wait_not_busy [2023-11-24 23:52:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-24 23:52:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-24 23:52:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write [2023-11-24 23:52:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write [2023-11-24 23:52:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2023-11-24 23:52:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:52:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:52:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:52:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:52:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:52:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:52:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:52:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:52:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:52:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:52:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:52:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:52:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:52:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:52:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:52:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-24 23:52:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-24 23:52:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read [2023-11-24 23:52:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read [2023-11-24 23:52:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_rx_max_frame_length [2023-11-24 23:52:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_rx_max_frame_length [2023-11-24 23:52:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:52:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:52:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:52:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:52:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_read_reg [2023-11-24 23:52:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_read_reg [2023-11-24 23:52:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-24 23:52:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-24 23:52:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-24 23:52:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-24 23:52:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_get_eeprom_len [2023-11-24 23:52:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_get_eeprom_len [2023-11-24 23:52:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:52:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:52:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:52:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:52:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2023-11-24 23:52:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2023-11-24 23:52:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-24 23:52:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-24 23:52:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:52:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:52:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2023-11-24 23:52:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2023-11-24 23:52:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg [2023-11-24 23:52:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg [2023-11-24 23:52:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-24 23:52:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-24 23:52:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:52:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:52:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write_nopm [2023-11-24 23:52:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write_nopm [2023-11-24 23:52:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_multicast [2023-11-24 23:52:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_multicast [2023-11-24 23:52:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:52:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:52:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:52:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:52:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:52:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-24 23:52:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-24 23:52:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-24 23:52:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-24 23:52:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:52:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:52:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_read [2023-11-24 23:52:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_read [2023-11-24 23:52:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:52:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:52:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-24 23:52:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-24 23:52:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg_nopm [2023-11-24 23:52:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg_nopm [2023-11-24 23:52:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-24 23:52:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-24 23:52:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_write_reg [2023-11-24 23:52:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_write_reg [2023-11-24 23:52:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2023-11-24 23:52:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2023-11-24 23:52:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_ready [2023-11-24 23:52:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_ready [2023-11-24 23:52:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:52:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-24 23:52:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-24 23:52:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_eeprom [2023-11-24 23:52:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_eeprom [2023-11-24 23:52:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:52:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:52:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2023-11-24 23:52:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_link_reset [2023-11-24 23:52:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_link_reset [2023-11-24 23:52:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_resume [2023-11-24 23:52:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_resume [2023-11-24 23:52:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_wuff [2023-11-24 23:52:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_wuff [2023-11-24 23:52:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_eeprom_confirm_not_busy [2023-11-24 23:52:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_eeprom_confirm_not_busy [2023-11-24 23:52:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:52:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:52:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend2 [2023-11-24 23:52:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend2 [2023-11-24 23:52:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend1 [2023-11-24 23:52:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend1 [2023-11-24 23:52:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg [2023-11-24 23:52:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg [2023-11-24 23:52:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:52:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2023-11-24 23:52:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2023-11-24 23:52:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:52:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:52:22,416 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:52:22,420 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:52:23,229 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:52:28,681 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:52:33,663 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:52:37,240 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:52:37,240 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:52:37,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:37 BoogieIcfgContainer [2023-11-24 23:52:37,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:52:37,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:52:37,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:52:37,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:52:37,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:52:16" (1/3) ... [2023-11-24 23:52:37,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dae114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:37, skipping insertion in model container [2023-11-24 23:52:37,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:20" (2/3) ... [2023-11-24 23:52:37,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dae114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:52:37, skipping insertion in model container [2023-11-24 23:52:37,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:52:37" (3/3) ... [2023-11-24 23:52:37,254 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2023-11-24 23:52:37,276 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:52:37,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:52:37,376 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:52:37,383 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;@528dcd03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:52:37,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:52:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 1829 states, 1145 states have (on average 1.3545851528384278) internal successors, (1551), 1148 states have internal predecessors, (1551), 606 states have call successors, (606), 76 states have call predecessors, (606), 75 states have return successors, (599), 599 states have call predecessors, (599), 599 states have call successors, (599) [2023-11-24 23:52:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-24 23:52:37,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:37,430 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:52:37,430 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 23:52:37,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:37,436 INFO L85 PathProgramCache]: Analyzing trace with hash 560752179, now seen corresponding path program 1 times [2023-11-24 23:52:37,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:52:37,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992729945] [2023-11-24 23:52:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:37,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:52:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2023-11-24 23:52:38,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:52:38,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992729945] [2023-11-24 23:52:38,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992729945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:38,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:38,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:52:38,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347002846] [2023-11-24 23:52:38,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:38,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:52:38,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:52:38,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:52:38,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:52:38,726 INFO L87 Difference]: Start difference. First operand has 1829 states, 1145 states have (on average 1.3545851528384278) internal successors, (1551), 1148 states have internal predecessors, (1551), 606 states have call successors, (606), 76 states have call predecessors, (606), 75 states have return successors, (599), 599 states have call predecessors, (599), 599 states have call successors, (599) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-24 23:52:41,141 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 23:52:44,108 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 23:52:45,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:45,583 INFO L93 Difference]: Finished difference Result 5336 states and 8095 transitions. [2023-11-24 23:52:45,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:52:45,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 195 [2023-11-24 23:52:45,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:45,657 INFO L225 Difference]: With dead ends: 5336 [2023-11-24 23:52:45,657 INFO L226 Difference]: Without dead ends: 3531 [2023-11-24 23:52:45,680 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 23:52:45,684 INFO L413 NwaCegarLoop]: 2457 mSDtfsCounter, 2610 mSDsluCounter, 2411 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2610 SdHoareTripleChecker+Valid, 4868 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:45,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2610 Valid, 4868 Invalid, 632 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 621 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2023-11-24 23:52:45,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2023-11-24 23:52:46,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3527. [2023-11-24 23:52:46,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3527 states, 2231 states have (on average 1.3518601523980278) internal successors, (3016), 2236 states have internal predecessors, (3016), 1147 states have call successors, (1147), 147 states have call predecessors, (1147), 146 states have return successors, (1143), 1143 states have call predecessors, (1143), 1143 states have call successors, (1143) [2023-11-24 23:52:46,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 5306 transitions. [2023-11-24 23:52:46,173 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 5306 transitions. Word has length 195 [2023-11-24 23:52:46,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:46,175 INFO L495 AbstractCegarLoop]: Abstraction has 3527 states and 5306 transitions. [2023-11-24 23:52:46,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-24 23:52:46,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 5306 transitions. [2023-11-24 23:52:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-24 23:52:46,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:46,188 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:46,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:52:46,189 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 23:52:46,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:46,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1022712500, now seen corresponding path program 1 times [2023-11-24 23:52:46,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:52:46,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010955109] [2023-11-24 23:52:46,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:46,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:52:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-24 23:52:46,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:52:46,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010955109] [2023-11-24 23:52:46,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010955109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:46,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:46,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:52:46,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765842220] [2023-11-24 23:52:46,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:46,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:52:46,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:52:46,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:52:46,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:52:46,846 INFO L87 Difference]: Start difference. First operand 3527 states and 5306 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-24 23:52:49,145 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 23:52:51,748 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 23:52:53,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:53,460 INFO L93 Difference]: Finished difference Result 8525 states and 12783 transitions. [2023-11-24 23:52:53,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:52:53,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 203 [2023-11-24 23:52:53,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:53,519 INFO L225 Difference]: With dead ends: 8525 [2023-11-24 23:52:53,519 INFO L226 Difference]: Without dead ends: 5033 [2023-11-24 23:52:53,542 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 23:52:53,543 INFO L413 NwaCegarLoop]: 2571 mSDtfsCounter, 2431 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 4960 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:53,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 4960 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 661 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2023-11-24 23:52:53,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5033 states. [2023-11-24 23:52:53,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5033 to 5006. [2023-11-24 23:52:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5006 states, 3146 states have (on average 1.3382072472981563) internal successors, (4210), 3156 states have internal predecessors, (4210), 1639 states have call successors, (1639), 219 states have call predecessors, (1639), 218 states have return successors, (1635), 1630 states have call predecessors, (1635), 1635 states have call successors, (1635) [2023-11-24 23:52:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5006 states to 5006 states and 7484 transitions. [2023-11-24 23:52:54,017 INFO L78 Accepts]: Start accepts. Automaton has 5006 states and 7484 transitions. Word has length 203 [2023-11-24 23:52:54,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:52:54,020 INFO L495 AbstractCegarLoop]: Abstraction has 5006 states and 7484 transitions. [2023-11-24 23:52:54,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-24 23:52:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 5006 states and 7484 transitions. [2023-11-24 23:52:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-24 23:52:54,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:52:54,030 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:52:54,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:52:54,030 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 23:52:54,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:52:54,031 INFO L85 PathProgramCache]: Analyzing trace with hash 358902326, now seen corresponding path program 1 times [2023-11-24 23:52:54,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:52:54,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248595604] [2023-11-24 23:52:54,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:52:54,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:52:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:52:55,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2023-11-24 23:52:55,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:52:55,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248595604] [2023-11-24 23:52:55,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248595604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:52:55,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:52:55,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:52:55,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554727294] [2023-11-24 23:52:55,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:52:55,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:52:55,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:52:55,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:52:55,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:52:55,102 INFO L87 Difference]: Start difference. First operand 5006 states and 7484 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-24 23:52:57,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:52:59,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:52:59,826 INFO L93 Difference]: Finished difference Result 5012 states and 7489 transitions. [2023-11-24 23:52:59,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:52:59,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 238 [2023-11-24 23:52:59,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:52:59,873 INFO L225 Difference]: With dead ends: 5012 [2023-11-24 23:52:59,873 INFO L226 Difference]: Without dead ends: 5010 [2023-11-24 23:52:59,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:52:59,879 INFO L413 NwaCegarLoop]: 2426 mSDtfsCounter, 2662 mSDsluCounter, 4838 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2673 SdHoareTripleChecker+Valid, 7264 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:52:59,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2673 Valid, 7264 Invalid, 918 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-24 23:52:59,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5010 states.