./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 30e01a73 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_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/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_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 21:18:05,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:05,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:18:05,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:05,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:05,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:05,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:05,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:05,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:05,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:05,377 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:05,377 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:05,378 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:05,378 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:05,379 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:05,380 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:05,380 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:05,381 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:05,381 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:05,382 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:05,383 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:05,383 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:05,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:05,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:05,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:05,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:05,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:05,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:05,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:05,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:05,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:05,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:05,389 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:05,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:05,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:05,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:05,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:05,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:05,392 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:05,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:05,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:05,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:05,394 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:05,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:05,394 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_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 265e49c3377c52c97dc3fc0a083b7daee63958176975b73f1e1d54651892cb04 [2023-11-23 21:18:05,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:05,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:05,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:05,728 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:05,728 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:05,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2023-11-23 21:18:09,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:09,846 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:09,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2023-11-23 21:18:09,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/data/818e9b9bf/0f93f9c530b8439faf8cea5df427603c/FLAG381a6ae73 [2023-11-23 21:18:09,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/data/818e9b9bf/0f93f9c530b8439faf8cea5df427603c [2023-11-23 21:18:09,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:09,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:09,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:09,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:09,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:09,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:09,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb9c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:09, skipping insertion in model container [2023-11-23 21:18:09,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:09" (1/1) ... [2023-11-23 21:18:10,129 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:13,727 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_ecfd8349-15a7-454b-b849-beb9c9f0696e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2023-11-23 21:18:13,733 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_ecfd8349-15a7-454b-b849-beb9c9f0696e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2023-11-23 21:18:13,735 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_ecfd8349-15a7-454b-b849-beb9c9f0696e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2023-11-23 21:18:13,736 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_ecfd8349-15a7-454b-b849-beb9c9f0696e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2023-11-23 21:18:13,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:13,876 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:14,059 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] [2023-11-23 21:18:14,061 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] [2023-11-23 21:18:14,089 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] [2023-11-23 21:18:14,091 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] [2023-11-23 21:18:14,093 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] [2023-11-23 21:18:14,094 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] [2023-11-23 21:18:14,425 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_ecfd8349-15a7-454b-b849-beb9c9f0696e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2023-11-23 21:18:14,425 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_ecfd8349-15a7-454b-b849-beb9c9f0696e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2023-11-23 21:18:14,426 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_ecfd8349-15a7-454b-b849-beb9c9f0696e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2023-11-23 21:18:14,427 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_ecfd8349-15a7-454b-b849-beb9c9f0696e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2023-11-23 21:18:14,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:14,598 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:14,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14 WrapperNode [2023-11-23 21:18:14,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:14,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:14,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:14,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:14,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (1/1) ... [2023-11-23 21:18:14,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (1/1) ... [2023-11-23 21:18:15,025 INFO L138 Inliner]: procedures = 411, calls = 2856, calls flagged for inlining = 215, calls inlined = 199, statements flattened = 6966 [2023-11-23 21:18:15,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:15,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:15,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:15,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:15,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (1/1) ... [2023-11-23 21:18:15,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (1/1) ... [2023-11-23 21:18:15,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (1/1) ... [2023-11-23 21:18:15,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (1/1) ... [2023-11-23 21:18:15,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (1/1) ... [2023-11-23 21:18:15,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (1/1) ... [2023-11-23 21:18:15,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (1/1) ... [2023-11-23 21:18:15,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (1/1) ... [2023-11-23 21:18:15,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:15,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:15,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:15,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:15,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (1/1) ... [2023-11-23 21:18:15,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:15,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:15,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:15,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfd8349-15a7-454b-b849-beb9c9f0696e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_set_bssid [2023-11-23 21:18:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_set_bssid [2023-11-23 21:18:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_start [2023-11-23 21:18:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_start [2023-11-23 21:18:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:18:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:18:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:18:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:18:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:18:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:18:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:18:15,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:18:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:18:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:18:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 21:18:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-23 21:18:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:18:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:18:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_al2210l [2023-11-23 21:18:15,657 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_al2210l [2023-11-23 21:18:15,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:18:15,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:18:15,658 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 21:18:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 21:18:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:18:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:18:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_adm8211_priv [2023-11-23 21:18:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_adm8211_priv [2023-11-23 21:18:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:18:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:18:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:18:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:18:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:18:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_set_channel [2023-11-23 21:18:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_set_channel [2023-11-23 21:18:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:18:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:18:15,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:18:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:18:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:18:15,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:18:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_sram [2023-11-23 21:18:15,662 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_sram [2023-11-23 21:18:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:18:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:18:15,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:18:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:18:15,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:18:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:18:15,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:18:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:18:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:18:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-23 21:18:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-23 21:18:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:18:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:18:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:18:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:18:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:18:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:18:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:18:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:18:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:18:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:18:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:18:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-23 21:18:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-23 21:18:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_max2820 [2023-11-23 21:18:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_max2820 [2023-11-23 21:18:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:18:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:18:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_bbp [2023-11-23 21:18:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_bbp [2023-11-23 21:18:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:18:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:18:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:18:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:18:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:18:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:18:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:18:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:18:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:18:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:18:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:18:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_stop [2023-11-23 21:18:15,673 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_stop [2023-11-23 21:18:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-23 21:18:15,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-23 21:18:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:15,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:18:15,674 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:18:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:18:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:18:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:18:15,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:18:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-23 21:18:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-23 21:18:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:18:15,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:18:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2023-11-23 21:18:15,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2023-11-23 21:18:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-23 21:18:15,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-23 21:18:15,677 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-11-23 21:18:15,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-11-23 21:18:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:18:15,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:18:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:18:15,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:18:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:18:15,680 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:18:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:18:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:18:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_resume [2023-11-23 21:18:15,680 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_resume [2023-11-23 21:18:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:18:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:18:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:18:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:18:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:18:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:18:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:18:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_adm8211_priv [2023-11-23 21:18:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_adm8211_priv [2023-11-23 21:18:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_remove [2023-11-23 21:18:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_remove [2023-11-23 21:18:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_update_mode [2023-11-23 21:18:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_update_mode [2023-11-23 21:18:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:18:15,684 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:18:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:18:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-23 21:18:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-23 21:18:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-23 21:18:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-23 21:18:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:18:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:18:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2958 [2023-11-23 21:18:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2958 [2023-11-23 21:18:15,692 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2948 [2023-11-23 21:18:15,693 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2948 [2023-11-23 21:18:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-23 21:18:15,694 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-23 21:18:15,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:18:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:18:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 21:18:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 21:18:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:18:15,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:18:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:18:15,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:18:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-23 21:18:15,702 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-23 21:18:16,808 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:16,815 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:18,432 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:18:28,451 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:18:28,623 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:32,514 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:32,514 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:32,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:32 BoogieIcfgContainer [2023-11-23 21:18:32,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:32,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:32,523 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:32,527 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:32,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:09" (1/3) ... [2023-11-23 21:18:32,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4fb3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:32, skipping insertion in model container [2023-11-23 21:18:32,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:14" (2/3) ... [2023-11-23 21:18:32,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4fb3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:32, skipping insertion in model container [2023-11-23 21:18:32,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:32" (3/3) ... [2023-11-23 21:18:32,532 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2023-11-23 21:18:32,554 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:32,554 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:18:32,662 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:32,672 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;@2b1eefc8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:32,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:18:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 1717 states, 993 states have (on average 1.243705941591138) internal successors, (1235), 1015 states have internal predecessors, (1235), 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) [2023-11-23 21:18:32,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-23 21:18:32,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:32,722 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] [2023-11-23 21:18:32,722 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)] === [2023-11-23 21:18:32,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:32,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1860994598, now seen corresponding path program 1 times [2023-11-23 21:18:32,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:32,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104047939] [2023-11-23 21:18:32,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:32,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:33,852 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-23 21:18:33,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:33,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104047939] [2023-11-23 21:18:33,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104047939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:33,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:33,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:33,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019850613] [2023-11-23 21:18:33,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:33,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:33,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:33,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:33,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:33,911 INFO L87 Difference]: Start difference. First operand has 1717 states, 993 states have (on average 1.243705941591138) internal successors, (1235), 1015 states have internal predecessors, (1235), 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) [2023-11-23 21:18:36,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:38,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:40,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:43,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:45,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:47,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:49,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:53,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:18:54,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:18:56,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:18:59,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:00,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:00,327 INFO L93 Difference]: Finished difference Result 5050 states and 7490 transitions. [2023-11-23 21:19:00,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:00,330 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 [2023-11-23 21:19:00,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:00,400 INFO L225 Difference]: With dead ends: 5050 [2023-11-23 21:19:00,400 INFO L226 Difference]: Without dead ends: 3344 [2023-11-23 21:19:00,428 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 [2023-11-23 21:19:00,437 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 2440 mSDsluCounter, 2206 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 5 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2440 SdHoareTripleChecker+Valid, 4452 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:00,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2440 Valid, 4452 Invalid, 605 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 590 Invalid, 10 Unknown, 0 Unchecked, 26.0s Time] [2023-11-23 21:19:00,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3344 states. [2023-11-23 21:19:00,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3344 to 3340. [2023-11-23 21:19:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3340 states, 1943 states have (on average 1.238291302110139) internal successors, (2406), 1985 states have internal predecessors, (2406), 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) [2023-11-23 21:19:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 3340 states and 4921 transitions. [2023-11-23 21:19:01,166 INFO L78 Accepts]: Start accepts. Automaton has 3340 states and 4921 transitions. Word has length 117 [2023-11-23 21:19:01,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:01,169 INFO L495 AbstractCegarLoop]: Abstraction has 3340 states and 4921 transitions. [2023-11-23 21:19:01,170 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) [2023-11-23 21:19:01,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 4921 transitions. [2023-11-23 21:19:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-23 21:19:01,179 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:01,180 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] [2023-11-23 21:19:01,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:19:01,181 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)] === [2023-11-23 21:19:01,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:01,184 INFO L85 PathProgramCache]: Analyzing trace with hash -2034731048, now seen corresponding path program 1 times [2023-11-23 21:19:01,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:01,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464769874] [2023-11-23 21:19:01,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:01,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms