./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 cf1a7837 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_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24362a0e750636c52038fc4d3468ffab15d6b74376c584ca05819f34fdf58260 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:07:55,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:07:55,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:07:55,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:07:55,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:07:55,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:07:55,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:07:55,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:07:55,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:07:55,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:07:55,264 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:07:55,265 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:07:55,265 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:07:55,267 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:07:55,267 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:07:55,268 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:07:55,268 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:07:55,269 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:07:55,269 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:07:55,270 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:07:55,270 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:07:55,271 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:07:55,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:07:55,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:07:55,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:07:55,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:07:55,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:07:55,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:07:55,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:07:55,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:07:55,276 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:07:55,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:07:55,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:07:55,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:07:55,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:07:55,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:07:55,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:07:55,278 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:07:55,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:07:55,278 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:07:55,279 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:07:55,279 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:07:55,279 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_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24362a0e750636c52038fc4d3468ffab15d6b74376c584ca05819f34fdf58260 [2023-11-12 00:07:55,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:07:55,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:07:55,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:07:55,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:07:55,602 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:07:55,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2023-11-12 00:07:58,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:07:59,440 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:07:59,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2023-11-12 00:07:59,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/data/6d9438243/14ed156b9d5d4fab8c15974d779e79db/FLAGea7fb3a60 [2023-11-12 00:07:59,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/data/6d9438243/14ed156b9d5d4fab8c15974d779e79db [2023-11-12 00:07:59,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:07:59,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:07:59,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:59,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:07:59,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:07:59,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:59" (1/1) ... [2023-11-12 00:07:59,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b731639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:59, skipping insertion in model container [2023-11-12 00:07:59,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:59" (1/1) ... [2023-11-12 00:07:59,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:08:02,845 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_462efa99-9860-4c62-ad78-df8233382bb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2023-11-12 00:08:02,850 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_462efa99-9860-4c62-ad78-df8233382bb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2023-11-12 00:08:02,851 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_462efa99-9860-4c62-ad78-df8233382bb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2023-11-12 00:08:02,852 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_462efa99-9860-4c62-ad78-df8233382bb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2023-11-12 00:08:02,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:02,970 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:08:03,167 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] [2023-11-12 00:08:03,171 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] [2023-11-12 00:08:03,198 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] [2023-11-12 00:08:03,202 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] [2023-11-12 00:08:03,206 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] [2023-11-12 00:08:03,207 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] [2023-11-12 00:08:03,468 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_462efa99-9860-4c62-ad78-df8233382bb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2023-11-12 00:08:03,469 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_462efa99-9860-4c62-ad78-df8233382bb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2023-11-12 00:08:03,469 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_462efa99-9860-4c62-ad78-df8233382bb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2023-11-12 00:08:03,470 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_462efa99-9860-4c62-ad78-df8233382bb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2023-11-12 00:08:03,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:08:03,756 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:08:03,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03 WrapperNode [2023-11-12 00:08:03,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:08:03,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:03,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:08:03,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:08:03,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (1/1) ... [2023-11-12 00:08:03,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (1/1) ... [2023-11-12 00:08:04,263 INFO L138 Inliner]: procedures = 390, calls = 3987, calls flagged for inlining = 181, calls inlined = 164, statements flattened = 9127 [2023-11-12 00:08:04,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:08:04,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:08:04,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:08:04,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:08:04,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (1/1) ... [2023-11-12 00:08:04,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (1/1) ... [2023-11-12 00:08:04,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (1/1) ... [2023-11-12 00:08:04,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (1/1) ... [2023-11-12 00:08:04,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (1/1) ... [2023-11-12 00:08:04,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (1/1) ... [2023-11-12 00:08:04,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (1/1) ... [2023-11-12 00:08:04,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (1/1) ... [2023-11-12 00:08:04,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:08:04,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:08:04,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:08:04,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:08:04,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (1/1) ... [2023-11-12 00:08:04,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:08:04,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:08:04,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:08:05,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462efa99-9860-4c62-ad78-df8233382bb3/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg_nopm [2023-11-12 00:08:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg_nopm [2023-11-12 00:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:08:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2023-11-12 00:08:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2023-11-12 00:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:08:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2023-11-12 00:08:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2023-11-12 00:08:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:08:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:08:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-12 00:08:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-12 00:08:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enable_phy_wakeup_interrupts [2023-11-12 00:08:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enable_phy_wakeup_interrupts [2023-11-12 00:08:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_reset [2023-11-12 00:08:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_reset [2023-11-12 00:08:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_eeprom [2023-11-12 00:08:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_eeprom [2023-11-12 00:08:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_write [2023-11-12 00:08:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_write [2023-11-12 00:08:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-12 00:08:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-12 00:08:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:08:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:08:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2023-11-12 00:08:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:08:05,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:08:05,098 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_rx_csum_offload [2023-11-12 00:08:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_rx_csum_offload [2023-11-12 00:08:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:08:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:08:05,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:08:05,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:08:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:08:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_features [2023-11-12 00:08:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_features [2023-11-12 00:08:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:08:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:08:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:08:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-12 00:08:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-12 00:08:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:08:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:08:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:08:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-12 00:08:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-12 00:08:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read_nopm [2023-11-12 00:08:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read_nopm [2023-11-12 00:08:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:08:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:08:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:08:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2023-11-12 00:08:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_phy_wait_not_busy [2023-11-12 00:08:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_phy_wait_not_busy [2023-11-12 00:08:05,104 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-12 00:08:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-12 00:08:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write [2023-11-12 00:08:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write [2023-11-12 00:08:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2023-11-12 00:08:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:08:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:08:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:08:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:08:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:08:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:08:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:08:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:08:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:08:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:08:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:08:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:08:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:08:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:08:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:08:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-12 00:08:05,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-12 00:08:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read [2023-11-12 00:08:05,109 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read [2023-11-12 00:08:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_rx_max_frame_length [2023-11-12 00:08:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_rx_max_frame_length [2023-11-12 00:08:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:08:05,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:08:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:08:05,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:08:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_read_reg [2023-11-12 00:08:05,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_read_reg [2023-11-12 00:08:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-12 00:08:05,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-12 00:08:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:08:05,112 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:08:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_get_eeprom_len [2023-11-12 00:08:05,112 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_get_eeprom_len [2023-11-12 00:08:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:08:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:08:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:08:05,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:08:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2023-11-12 00:08:05,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2023-11-12 00:08:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-12 00:08:05,114 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-12 00:08:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:08:05,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:08:05,115 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 [2023-11-12 00:08:05,128 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 [2023-11-12 00:08:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg [2023-11-12 00:08:05,129 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg [2023-11-12 00:08:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-12 00:08:05,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-12 00:08:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:08:05,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:08:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write_nopm [2023-11-12 00:08:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write_nopm [2023-11-12 00:08:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_multicast [2023-11-12 00:08:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_multicast [2023-11-12 00:08:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:08:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:08:05,131 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:08:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:08:05,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:08:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-12 00:08:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-12 00:08:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:08:05,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:08:05,132 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:08:05,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:08:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_read [2023-11-12 00:08:05,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_read [2023-11-12 00:08:05,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:08:05,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:08:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:08:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:08:05,134 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg_nopm [2023-11-12 00:08:05,134 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg_nopm [2023-11-12 00:08:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-12 00:08:05,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-12 00:08:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_write_reg [2023-11-12 00:08:05,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_write_reg [2023-11-12 00:08:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2023-11-12 00:08:05,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2023-11-12 00:08:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_ready [2023-11-12 00:08:05,136 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_ready [2023-11-12 00:08:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:08:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-12 00:08:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-12 00:08:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_eeprom [2023-11-12 00:08:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_eeprom [2023-11-12 00:08:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:08:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:08:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2023-11-12 00:08:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_link_reset [2023-11-12 00:08:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_link_reset [2023-11-12 00:08:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_resume [2023-11-12 00:08:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_resume [2023-11-12 00:08:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_wuff [2023-11-12 00:08:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_wuff [2023-11-12 00:08:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_eeprom_confirm_not_busy [2023-11-12 00:08:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_eeprom_confirm_not_busy [2023-11-12 00:08:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:08:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:08:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend2 [2023-11-12 00:08:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend2 [2023-11-12 00:08:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend1 [2023-11-12 00:08:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend1 [2023-11-12 00:08:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg [2023-11-12 00:08:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg [2023-11-12 00:08:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:08:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2023-11-12 00:08:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2023-11-12 00:08:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:08:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:08:06,107 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:08:06,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:08:06,932 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:08:13,924 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:08:18,906 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:08:22,112 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:08:22,112 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:08:22,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:22 BoogieIcfgContainer [2023-11-12 00:08:22,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:08:22,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:08:22,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:08:22,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:08:22,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:07:59" (1/3) ... [2023-11-12 00:08:22,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17816714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:22, skipping insertion in model container [2023-11-12 00:08:22,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:08:03" (2/3) ... [2023-11-12 00:08:22,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17816714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:08:22, skipping insertion in model container [2023-11-12 00:08:22,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:08:22" (3/3) ... [2023-11-12 00:08:22,145 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2023-11-12 00:08:22,180 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:08:22,180 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:08:22,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:08:22,279 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;@9126c62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:08:22,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:08:22,291 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) [2023-11-12 00:08:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-12 00:08:22,317 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:22,318 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] [2023-11-12 00:08:22,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:08:22,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:22,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1838983164, now seen corresponding path program 1 times [2023-11-12 00:08:22,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:22,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298184080] [2023-11-12 00:08:22,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:22,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2023-11-12 00:08:23,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:23,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298184080] [2023-11-12 00:08:23,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298184080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:23,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:23,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:08:23,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123537760] [2023-11-12 00:08:23,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:23,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:08:23,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:23,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:08:23,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:08:23,536 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) [2023-11-12 00:08:25,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:28,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:08:29,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:29,823 INFO L93 Difference]: Finished difference Result 5336 states and 8095 transitions. [2023-11-12 00:08:29,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:08:29,826 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 [2023-11-12 00:08:29,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:29,887 INFO L225 Difference]: With dead ends: 5336 [2023-11-12 00:08:29,887 INFO L226 Difference]: Without dead ends: 3531 [2023-11-12 00:08:29,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:08:29,929 INFO L413 NwaCegarLoop]: 2457 mSDtfsCounter, 2610 mSDsluCounter, 2411 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2610 SdHoareTripleChecker+Valid, 4868 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:29,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2610 Valid, 4868 Invalid, 631 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-11-12 00:08:29,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2023-11-12 00:08:30,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3527. [2023-11-12 00:08:30,380 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) [2023-11-12 00:08:30,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 5306 transitions. [2023-11-12 00:08:30,427 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 5306 transitions. Word has length 195 [2023-11-12 00:08:30,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:30,432 INFO L495 AbstractCegarLoop]: Abstraction has 3527 states and 5306 transitions. [2023-11-12 00:08:30,433 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) [2023-11-12 00:08:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 5306 transitions. [2023-11-12 00:08:30,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-12 00:08:30,449 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:30,449 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] [2023-11-12 00:08:30,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:08:30,450 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:08:30,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:30,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1048257111, now seen corresponding path program 1 times [2023-11-12 00:08:30,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:30,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497049586] [2023-11-12 00:08:30,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:30,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-12 00:08:30,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:30,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497049586] [2023-11-12 00:08:30,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497049586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:30,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:30,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:08:30,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617474673] [2023-11-12 00:08:30,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:30,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:08:30,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:30,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:08:30,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:08:30,902 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) [2023-11-12 00:08:34,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:34,555 INFO L93 Difference]: Finished difference Result 8525 states and 12783 transitions. [2023-11-12 00:08:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:08:34,557 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 [2023-11-12 00:08:34,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:34,601 INFO L225 Difference]: With dead ends: 8525 [2023-11-12 00:08:34,602 INFO L226 Difference]: Without dead ends: 5033 [2023-11-12 00:08:34,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:08:34,622 INFO L413 NwaCegarLoop]: 2571 mSDtfsCounter, 2431 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 4960 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:34,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 4960 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-12 00:08:34,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5033 states. [2023-11-12 00:08:35,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5033 to 5006. [2023-11-12 00:08:35,026 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) [2023-11-12 00:08:35,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5006 states to 5006 states and 7484 transitions. [2023-11-12 00:08:35,059 INFO L78 Accepts]: Start accepts. Automaton has 5006 states and 7484 transitions. Word has length 203 [2023-11-12 00:08:35,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:35,060 INFO L495 AbstractCegarLoop]: Abstraction has 5006 states and 7484 transitions. [2023-11-12 00:08:35,060 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) [2023-11-12 00:08:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 5006 states and 7484 transitions. [2023-11-12 00:08:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-12 00:08:35,068 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:35,069 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 2, 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] [2023-11-12 00:08:35,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:08:35,069 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)] === [2023-11-12 00:08:35,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:35,070 INFO L85 PathProgramCache]: Analyzing trace with hash -82458208, now seen corresponding path program 1 times [2023-11-12 00:08:35,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:35,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361985726] [2023-11-12 00:08:35,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:35,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1271 trivial. 0 not checked. [2023-11-12 00:08:35,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:08:35,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361985726] [2023-11-12 00:08:35,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361985726] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:08:35,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:08:35,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:08:35,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708877575] [2023-11-12 00:08:35,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:08:35,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:08:35,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:08:35,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:08:35,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:08:35,976 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) [2023-11-12 00:08:40,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:08:40,389 INFO L93 Difference]: Finished difference Result 5012 states and 7489 transitions. [2023-11-12 00:08:40,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:08:40,390 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 239 [2023-11-12 00:08:40,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:08:40,431 INFO L225 Difference]: With dead ends: 5012 [2023-11-12 00:08:40,431 INFO L226 Difference]: Without dead ends: 5010 [2023-11-12 00:08:40,435 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 [2023-11-12 00:08:40,436 INFO L413 NwaCegarLoop]: 2426 mSDtfsCounter, 2662 mSDsluCounter, 4838 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:08:40,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2673 Valid, 7264 Invalid, 918 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-12 00:08:40,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5010 states. [2023-11-12 00:08:40,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5010 to 5010. [2023-11-12 00:08:40,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5010 states, 3149 states have (on average 1.3378850428707527) internal successors, (4213), 3159 states have internal predecessors, (4213), 1639 states have call successors, (1639), 220 states have call predecessors, (1639), 219 states have return successors, (1635), 1630 states have call predecessors, (1635), 1635 states have call successors, (1635) [2023-11-12 00:08:40,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5010 states to 5010 states and 7487 transitions. [2023-11-12 00:08:40,867 INFO L78 Accepts]: Start accepts. Automaton has 5010 states and 7487 transitions. Word has length 239 [2023-11-12 00:08:40,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:08:40,870 INFO L495 AbstractCegarLoop]: Abstraction has 5010 states and 7487 transitions. [2023-11-12 00:08:40,871 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2023-11-12 00:08:40,871 INFO L276 IsEmpty]: Start isEmpty. Operand 5010 states and 7487 transitions. [2023-11-12 00:08:40,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-12 00:08:40,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:08:40,880 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-12 00:08:40,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:08:40,880 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:08:40,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:08:40,881 INFO L85 PathProgramCache]: Analyzing trace with hash -636564792, now seen corresponding path program 1 times [2023-11-12 00:08:40,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:08:40,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032073495] [2023-11-12 00:08:40,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:08:40,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms