./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/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 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:52:34,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:52:34,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:52:34,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:52:34,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:52:35,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:52:35,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:52:35,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:52:35,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:52:35,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:52:35,010 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:52:35,011 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:52:35,012 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:52:35,014 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:52:35,014 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:52:35,015 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:52:35,015 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:52:35,016 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:52:35,016 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:52:35,017 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:52:35,019 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:52:35,020 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:52:35,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:52:35,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:52:35,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:52:35,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:52:35,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:52:35,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:52:35,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:52:35,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:52:35,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:52:35,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:52:35,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:52:35,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:52:35,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:35,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:52:35,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:52:35,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:52:35,029 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:52:35,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:52:35,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:52:35,030 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:52:35,030 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:52:35,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:52:35,031 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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2023-11-24 23:52:35,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:52:35,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:52:35,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:52:35,383 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:52:35,384 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:52:35,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-24 23:52:38,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:52:39,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:52:39,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-24 23:52:39,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/bin/utaipan-verify-SwPr7d2a91/data/57761fcb0/e0c992ca08b7461c883590d31e13980b/FLAGa3dc8cff6 [2023-11-24 23:52:39,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/bin/utaipan-verify-SwPr7d2a91/data/57761fcb0/e0c992ca08b7461c883590d31e13980b [2023-11-24 23:52:39,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:52:39,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:52:39,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:39,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:52:39,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:52:39,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:39" (1/1) ... [2023-11-24 23:52:39,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730c0f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:39, skipping insertion in model container [2023-11-24 23:52:39,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:52:39" (1/1) ... [2023-11-24 23:52:39,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:52:43,614 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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2023-11-24 23:52:43,620 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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2023-11-24 23:52:43,624 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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2023-11-24 23:52:43,624 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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2023-11-24 23:52:43,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:43,781 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:52:43,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6518-6519] [2023-11-24 23:52:43,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6524-6526] [2023-11-24 23:52:43,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6758-6759] [2023-11-24 23:52:43,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6792-6793] [2023-11-24 23:52:44,356 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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2023-11-24 23:52:44,357 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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2023-11-24 23:52:44,358 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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2023-11-24 23:52:44,358 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_e2cfcb0b-754b-4801-a8f5-a1a31203661d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2023-11-24 23:52:44,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:52:44,700 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:52:44,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44 WrapperNode [2023-11-24 23:52:44,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:52:44,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:44,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:52:44,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:52:44,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (1/1) ... [2023-11-24 23:52:44,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (1/1) ... [2023-11-24 23:52:45,285 INFO L138 Inliner]: procedures = 522, calls = 3840, calls flagged for inlining = 277, calls inlined = 261, statements flattened = 7523 [2023-11-24 23:52:45,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:52:45,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:52:45,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:52:45,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:52:45,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (1/1) ... [2023-11-24 23:52:45,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (1/1) ... [2023-11-24 23:52:45,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (1/1) ... [2023-11-24 23:52:45,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (1/1) ... [2023-11-24 23:52:45,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (1/1) ... [2023-11-24 23:52:45,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (1/1) ... [2023-11-24 23:52:45,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (1/1) ... [2023-11-24 23:52:45,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (1/1) ... [2023-11-24 23:52:45,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:52:45,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:52:45,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:52:45,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:52:45,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (1/1) ... [2023-11-24 23:52:45,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:52:45,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:52:45,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:52:45,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2cfcb0b-754b-4801-a8f5-a1a31203661d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:52:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2023-11-24 23:52:45,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2023-11-24 23:52:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-24 23:52:45,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-24 23:52:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2023-11-24 23:52:45,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2023-11-24 23:52:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2023-11-24 23:52:45,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2023-11-24 23:52:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:52:45,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:52:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:52:45,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:52:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:52:45,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:52:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2023-11-24 23:52:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2023-11-24 23:52:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2023-11-24 23:52:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2023-11-24 23:52:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:52:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:52:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:52:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:52:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:52:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:52:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:52:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:52:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2023-11-24 23:52:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2023-11-24 23:52:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2023-11-24 23:52:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2023-11-24 23:52:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2023-11-24 23:52:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2023-11-24 23:52:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:52:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:52:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2023-11-24 23:52:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2023-11-24 23:52:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2023-11-24 23:52:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2023-11-24 23:52:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2023-11-24 23:52:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2023-11-24 23:52:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:52:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:52:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:52:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:52:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-24 23:52:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-24 23:52:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:52:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2023-11-24 23:52:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2023-11-24 23:52:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2023-11-24 23:52:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2023-11-24 23:52:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2023-11-24 23:52:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2023-11-24 23:52:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:52:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2023-11-24 23:52:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2023-11-24 23:52:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2023-11-24 23:52:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2023-11-24 23:52:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:52:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:52:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:52:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:52:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2023-11-24 23:52:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2023-11-24 23:52:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:52:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:52:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:52:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2023-11-24 23:52:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2023-11-24 23:52:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:52:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:52:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:52:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2023-11-24 23:52:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2023-11-24 23:52:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:52:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:52:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:52:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:52:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:52:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:52:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:52:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:52:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-24 23:52:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-24 23:52:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2023-11-24 23:52:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2023-11-24 23:52:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2023-11-24 23:52:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2023-11-24 23:52:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:52:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:52:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:52:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:52:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2023-11-24 23:52:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2023-11-24 23:52:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2023-11-24 23:52:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2023-11-24 23:52:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2023-11-24 23:52:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2023-11-24 23:52:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:52:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:52:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-24 23:52:45,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-24 23:52:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:52:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:52:45,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:52:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:52:45,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:52:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:52:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-24 23:52:45,961 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-24 23:52:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-24 23:52:45,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-24 23:52:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2023-11-24 23:52:45,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2023-11-24 23:52:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:52:45,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:52:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:52:45,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:52:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:52:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:52:45,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:52:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:52:45,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:52:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2023-11-24 23:52:45,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2023-11-24 23:52:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2023-11-24 23:52:45,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2023-11-24 23:52:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2023-11-24 23:52:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2023-11-24 23:52:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:52:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:52:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2023-11-24 23:52:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2023-11-24 23:52:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2023-11-24 23:52:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2023-11-24 23:52:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-24 23:52:45,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-24 23:52:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2023-11-24 23:52:45,971 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2023-11-24 23:52:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2023-11-24 23:52:45,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2023-11-24 23:52:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-24 23:52:45,973 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-24 23:52:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:52:45,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:52:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-24 23:52:45,976 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-24 23:52:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2023-11-24 23:52:45,981 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2023-11-24 23:52:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:52:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:52:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:52:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:52:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2023-11-24 23:52:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2023-11-24 23:52:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:52:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:52:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2023-11-24 23:52:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2023-11-24 23:52:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2023-11-24 23:52:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2023-11-24 23:52:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2023-11-24 23:52:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2023-11-24 23:52:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2023-11-24 23:52:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2023-11-24 23:52:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-24 23:52:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-24 23:52:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:52:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:52:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:52:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:52:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2023-11-24 23:52:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2023-11-24 23:52:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:52:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:52:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-24 23:52:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-24 23:52:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2023-11-24 23:52:45,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2023-11-24 23:52:45,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:52:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2023-11-24 23:52:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2023-11-24 23:52:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:52:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:52:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:52:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:52:45,987 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-24 23:52:45,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-24 23:52:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 23:52:45,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 23:52:45,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:52:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:52:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2023-11-24 23:52:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2023-11-24 23:52:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2023-11-24 23:52:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2023-11-24 23:52:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2023-11-24 23:52:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2023-11-24 23:52:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2023-11-24 23:52:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2023-11-24 23:52:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-24 23:52:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-24 23:52:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2023-11-24 23:52:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2023-11-24 23:52:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2023-11-24 23:52:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2023-11-24 23:52:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:52:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2023-11-24 23:52:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2023-11-24 23:52:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-24 23:52:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-24 23:52:45,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:52:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:52:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2023-11-24 23:52:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2023-11-24 23:52:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2023-11-24 23:52:45,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2023-11-24 23:52:45,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-24 23:52:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-24 23:52:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-24 23:52:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-24 23:52:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-24 23:52:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-24 23:52:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:52:45,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:52:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2023-11-24 23:52:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2023-11-24 23:52:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:52:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:52:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2023-11-24 23:52:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2023-11-24 23:52:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2023-11-24 23:52:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2023-11-24 23:52:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-24 23:52:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:52:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-24 23:52:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-24 23:52:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2023-11-24 23:52:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2023-11-24 23:52:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:52:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:52:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2023-11-24 23:52:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2023-11-24 23:52:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2023-11-24 23:52:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2023-11-24 23:52:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-24 23:52:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-24 23:52:47,303 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:52:47,308 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:52:47,667 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:52:58,876 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:52:59,257 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:53:05,076 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:53:05,076 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:53:05,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:53:05 BoogieIcfgContainer [2023-11-24 23:53:05,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:53:05,082 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:53:05,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:53:05,085 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:53:05,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:52:39" (1/3) ... [2023-11-24 23:53:05,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbf5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:53:05, skipping insertion in model container [2023-11-24 23:53:05,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:52:44" (2/3) ... [2023-11-24 23:53:05,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbf5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:53:05, skipping insertion in model container [2023-11-24 23:53:05,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:53:05" (3/3) ... [2023-11-24 23:53:05,087 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-24 23:53:05,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:53:05,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:53:05,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:53:05,218 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;@5f6bb31c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:53:05,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:53:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 2552 states, 1208 states have (on average 1.2516556291390728) internal successors, (1512), 1244 states have internal predecessors, (1512), 1227 states have call successors, (1227), 115 states have call predecessors, (1227), 114 states have return successors, (1219), 1202 states have call predecessors, (1219), 1219 states have call successors, (1219) [2023-11-24 23:53:05,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-11-24 23:53:05,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:53:05,280 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:53:05,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:53:05,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:53:05,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1655203665, now seen corresponding path program 1 times [2023-11-24 23:53:05,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:53:05,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811300920] [2023-11-24 23:53:05,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:05,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:53:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:53:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-11-24 23:53:06,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:53:06,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811300920] [2023-11-24 23:53:06,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811300920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:53:06,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:53:06,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:53:06,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137186819] [2023-11-24 23:53:06,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:53:06,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:53:06,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:53:06,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:53:06,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:53:06,969 INFO L87 Difference]: Start difference. First operand has 2552 states, 1208 states have (on average 1.2516556291390728) internal successors, (1512), 1244 states have internal predecessors, (1512), 1227 states have call successors, (1227), 115 states have call predecessors, (1227), 114 states have return successors, (1219), 1202 states have call predecessors, (1219), 1219 states have call successors, (1219) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-24 23:53:09,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:13,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:14,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:16,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:18,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-24 23:53:20,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:53:22,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-24 23:53:24,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-24 23:53:25,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:53:25,728 INFO L93 Difference]: Finished difference Result 7436 states and 11622 transitions. [2023-11-24 23:53:25,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:53:25,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 381 [2023-11-24 23:53:25,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:53:25,828 INFO L225 Difference]: With dead ends: 7436 [2023-11-24 23:53:25,828 INFO L226 Difference]: Without dead ends: 4943 [2023-11-24 23:53:25,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:53:25,877 INFO L413 NwaCegarLoop]: 3545 mSDtfsCounter, 3760 mSDsluCounter, 3501 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3760 SdHoareTripleChecker+Valid, 7046 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:53:25,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3760 Valid, 7046 Invalid, 859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 846 Invalid, 6 Unknown, 0 Unchecked, 18.1s Time] [2023-11-24 23:53:25,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4943 states. [2023-11-24 23:53:26,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4943 to 4939. [2023-11-24 23:53:26,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4939 states, 2342 states have (on average 1.248078565328779) internal successors, (2923), 2409 states have internal predecessors, (2923), 2370 states have call successors, (2370), 225 states have call predecessors, (2370), 224 states have return successors, (2366), 2332 states have call predecessors, (2366), 2366 states have call successors, (2366) [2023-11-24 23:53:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 7659 transitions. [2023-11-24 23:53:26,957 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 7659 transitions. Word has length 381 [2023-11-24 23:53:26,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:53:26,966 INFO L495 AbstractCegarLoop]: Abstraction has 4939 states and 7659 transitions. [2023-11-24 23:53:26,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-24 23:53:26,967 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 7659 transitions. [2023-11-24 23:53:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2023-11-24 23:53:26,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:53:26,987 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:53:26,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:53:26,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:53:26,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:53:26,989 INFO L85 PathProgramCache]: Analyzing trace with hash 120022552, now seen corresponding path program 1 times [2023-11-24 23:53:26,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:53:26,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645078843] [2023-11-24 23:53:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:26,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:53:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat