./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-wireless-adm8211.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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/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 265e49c3377c52c97dc3fc0a083b7daee63958176975b73f1e1d54651892cb04 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:52,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:52,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:08:52,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:52,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:52,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:52,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:52,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:52,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:52,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:52,428 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:52,428 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:52,429 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:52,430 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:08:52,431 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:52,431 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:52,432 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:08:52,433 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:08:52,434 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:52,435 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:08:52,435 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:08:52,436 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:08:52,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:52,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:08:52,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:08:52,439 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:52,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:08:52,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:52,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:08:52,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:08:52,442 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:52,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:52,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:52,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:52,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:52,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:52,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:52,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:08:52,446 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:08:52,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:08:52,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:52,449 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:08:52,450 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:52,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:52,452 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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 265e49c3377c52c97dc3fc0a083b7daee63958176975b73f1e1d54651892cb04 [2023-11-25 00:08:52,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:52,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:52,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:52,802 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:52,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:52,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2023-11-25 00:08:56,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:56,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:56,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2023-11-25 00:08:56,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/bin/utaipan-verify-SwPr7d2a91/data/d2080bcb4/eee7a5eea29341f080fd1eda03776422/FLAGe280bb9c4 [2023-11-25 00:08:56,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/bin/utaipan-verify-SwPr7d2a91/data/d2080bcb4/eee7a5eea29341f080fd1eda03776422 [2023-11-25 00:08:56,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:56,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:56,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:56,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:56,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:56,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:56" (1/1) ... [2023-11-25 00:08:56,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5727172f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:56, skipping insertion in model container [2023-11-25 00:08:56,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:56" (1/1) ... [2023-11-25 00:08:57,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:09:00,485 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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2023-11-25 00:09:00,491 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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2023-11-25 00:09:00,493 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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2023-11-25 00:09:00,501 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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2023-11-25 00:09:00,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:09:00,586 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:09:00,767 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)); [6376-6377] [2023-11-25 00:09:00,769 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"); [6382-6384] [2023-11-25 00:09:00,794 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)); [6602-6603] [2023-11-25 00:09:00,797 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)); [6636-6637] [2023-11-25 00:09:00,798 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" (103), "i" (12UL)); [6673-6674] [2023-11-25 00:09:00,800 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" (115), "i" (12UL)); [6710-6711] [2023-11-25 00:09:01,120 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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2023-11-25 00:09:01,121 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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2023-11-25 00:09:01,122 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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2023-11-25 00:09:01,122 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_baafb76e-91e0-4ee9-93c1-34b18b7a123f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2023-11-25 00:09:01,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:09:01,295 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:09:01,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01 WrapperNode [2023-11-25 00:09:01,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:09:01,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:09:01,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:09:01,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:09:01,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (1/1) ... [2023-11-25 00:09:01,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (1/1) ... [2023-11-25 00:09:01,803 INFO L138 Inliner]: procedures = 411, calls = 2856, calls flagged for inlining = 215, calls inlined = 199, statements flattened = 7024 [2023-11-25 00:09:01,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:09:01,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:09:01,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:09:01,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:09:01,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (1/1) ... [2023-11-25 00:09:01,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (1/1) ... [2023-11-25 00:09:01,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (1/1) ... [2023-11-25 00:09:01,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (1/1) ... [2023-11-25 00:09:02,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (1/1) ... [2023-11-25 00:09:02,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (1/1) ... [2023-11-25 00:09:02,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (1/1) ... [2023-11-25 00:09:02,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (1/1) ... [2023-11-25 00:09:02,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:09:02,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:09:02,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:09:02,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:09:02,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (1/1) ... [2023-11-25 00:09:02,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:09:02,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:09:02,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:09:02,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baafb76e-91e0-4ee9-93c1-34b18b7a123f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:09:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_set_bssid [2023-11-25 00:09:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_set_bssid [2023-11-25 00:09:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_start [2023-11-25 00:09:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_start [2023-11-25 00:09:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-25 00:09:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-25 00:09:02,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:09:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:09:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:09:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:09:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:09:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:09:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:09:02,446 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:09:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-25 00:09:02,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-25 00:09:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-25 00:09:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-25 00:09:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_al2210l [2023-11-25 00:09:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_al2210l [2023-11-25 00:09:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:09:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:09:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-25 00:09:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-25 00:09:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:09:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:09:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_adm8211_priv [2023-11-25 00:09:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_adm8211_priv [2023-11-25 00:09:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-25 00:09:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-25 00:09:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:09:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-25 00:09:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-25 00:09:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_set_channel [2023-11-25 00:09:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_set_channel [2023-11-25 00:09:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:09:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:09:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:09:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:09:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:09:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:09:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_sram [2023-11-25 00:09:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_sram [2023-11-25 00:09:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:09:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:09:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:09:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:09:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:09:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:09:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:09:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:09:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:09:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-25 00:09:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-25 00:09:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-25 00:09:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-25 00:09:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:09:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:09:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:09:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:09:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:09:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:09:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:09:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:09:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:09:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:09:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-25 00:09:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-25 00:09:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_max2820 [2023-11-25 00:09:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_max2820 [2023-11-25 00:09:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:09:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:09:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_bbp [2023-11-25 00:09:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_bbp [2023-11-25 00:09:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:09:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:09:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:09:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:09:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:09:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-25 00:09:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-25 00:09:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:09:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:09:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-25 00:09:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-25 00:09:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_stop [2023-11-25 00:09:02,478 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_stop [2023-11-25 00:09:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-25 00:09:02,478 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-25 00:09:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:09:02,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:09:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-25 00:09:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-25 00:09:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:09:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:09:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:09:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:09:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-25 00:09:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-25 00:09:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:09:02,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:09:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2023-11-25 00:09:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2023-11-25 00:09:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-25 00:09:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-25 00:09:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-11-25 00:09:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-11-25 00:09:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-25 00:09:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-25 00:09:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:09:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:09:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-25 00:09:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-25 00:09:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:09:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:09:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_resume [2023-11-25 00:09:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_resume [2023-11-25 00:09:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:09:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:09:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:09:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-25 00:09:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-25 00:09:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:09:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:09:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_adm8211_priv [2023-11-25 00:09:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_adm8211_priv [2023-11-25 00:09:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_remove [2023-11-25 00:09:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_remove [2023-11-25 00:09:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_update_mode [2023-11-25 00:09:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_update_mode [2023-11-25 00:09:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:09:02,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:09:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:09:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-25 00:09:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-25 00:09:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-25 00:09:02,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-25 00:09:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:09:02,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:09:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2958 [2023-11-25 00:09:02,505 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2958 [2023-11-25 00:09:02,505 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2948 [2023-11-25 00:09:02,506 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2948 [2023-11-25 00:09:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-25 00:09:02,507 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-25 00:09:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:09:02,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:09:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-25 00:09:02,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-25 00:09:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-25 00:09:02,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-25 00:09:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:09:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:09:02,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:09:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-25 00:09:02,514 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-25 00:09:03,628 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:09:03,632 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:09:05,372 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:09:14,721 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:09:14,904 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:09:19,516 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:09:19,516 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:09:19,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:09:19 BoogieIcfgContainer [2023-11-25 00:09:19,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:09:19,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:09:19,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:09:19,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:09:19,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:56" (1/3) ... [2023-11-25 00:09:19,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb28ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:09:19, skipping insertion in model container [2023-11-25 00:09:19,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:09:01" (2/3) ... [2023-11-25 00:09:19,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb28ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:09:19, skipping insertion in model container [2023-11-25 00:09:19,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:09:19" (3/3) ... [2023-11-25 00:09:19,533 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2023-11-25 00:09:19,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:09:19,554 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-25 00:09:19,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:09:19,668 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;@1401caf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:09:19,668 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-25 00:09:19,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 1719 states, 995 states have (on average 1.24321608040201) internal successors, (1237), 1015 states have internal predecessors, (1237), 652 states have call successors, (652), 70 states have call predecessors, (652), 69 states have return successors, (647), 641 states have call predecessors, (647), 647 states have call successors, (647) [2023-11-25 00:09:19,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-25 00:09:19,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:19,698 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:19,699 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)] === [2023-11-25 00:09:19,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:19,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2082464311, now seen corresponding path program 1 times [2023-11-25 00:09:19,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:09:19,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332370752] [2023-11-25 00:09:19,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:19,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:09:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-25 00:09:20,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:09:20,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332370752] [2023-11-25 00:09:20,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332370752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:20,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:20,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:09:20,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238716921] [2023-11-25 00:09:20,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:20,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:09:20,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:09:20,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:09:20,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:09:20,772 INFO L87 Difference]: Start difference. First operand has 1719 states, 995 states have (on average 1.24321608040201) internal successors, (1237), 1015 states have internal predecessors, (1237), 652 states have call successors, (652), 70 states have call predecessors, (652), 69 states have return successors, (647), 641 states have call predecessors, (647), 647 states have call successors, (647) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-25 00:09:23,033 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 [] [2023-11-25 00:09:25,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:28,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:30,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:32,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:34,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:38,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-25 00:09:40,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-25 00:09:42,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-25 00:09:44,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:09:47,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-25 00:09:47,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:47,823 INFO L93 Difference]: Finished difference Result 5056 states and 7496 transitions. [2023-11-25 00:09:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:09:47,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2023-11-25 00:09:47,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:47,890 INFO L225 Difference]: With dead ends: 5056 [2023-11-25 00:09:47,890 INFO L226 Difference]: Without dead ends: 3348 [2023-11-25 00:09:47,917 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 [2023-11-25 00:09:47,926 INFO L413 NwaCegarLoop]: 2248 mSDtfsCounter, 2442 mSDsluCounter, 2208 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 5 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2442 SdHoareTripleChecker+Valid, 4456 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:47,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2442 Valid, 4456 Invalid, 605 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 590 Invalid, 10 Unknown, 0 Unchecked, 26.6s Time] [2023-11-25 00:09:47,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3348 states. [2023-11-25 00:09:48,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3348 to 3344. [2023-11-25 00:09:48,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3344 states, 1947 states have (on average 1.2378017462763224) internal successors, (2410), 1985 states have internal predecessors, (2410), 1259 states have call successors, (1259), 136 states have call predecessors, (1259), 135 states have return successors, (1256), 1244 states have call predecessors, (1256), 1256 states have call successors, (1256) [2023-11-25 00:09:48,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 4925 transitions. [2023-11-25 00:09:48,537 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 4925 transitions. Word has length 117 [2023-11-25 00:09:48,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:48,540 INFO L495 AbstractCegarLoop]: Abstraction has 3344 states and 4925 transitions. [2023-11-25 00:09:48,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-25 00:09:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 4925 transitions. [2023-11-25 00:09:48,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-25 00:09:48,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:48,555 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:48,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:09:48,555 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)] === [2023-11-25 00:09:48,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:48,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1403580233, now seen corresponding path program 1 times [2023-11-25 00:09:48,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:09:48,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092404104] [2023-11-25 00:09:48,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:48,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:09:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-25 00:09:49,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:09:49,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092404104] [2023-11-25 00:09:49,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092404104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:09:49,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:09:49,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:09:49,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727703220] [2023-11-25 00:09:49,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:09:49,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:09:49,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:09:49,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:09:49,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:09:49,065 INFO L87 Difference]: Start difference. First operand 3344 states and 4925 transitions. 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)