./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-ethernet-sis-sis900.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ --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 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:55:55,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:55,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:55:55,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:55,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:55,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:55,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:55,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:55,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:55,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:55,543 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:55,544 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:55,545 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:55,545 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:55:55,546 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:55,547 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:55,547 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:55:55,548 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:55:55,548 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:55,549 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:55:55,550 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:55:55,551 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:55:55,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:55,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:55,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:55:55,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:55,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:55,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:55,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:55,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:55,555 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:55,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:55,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:55,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:55,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:55,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:55,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:55,559 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:55:55,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:55:55,560 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:55,560 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:55,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:55,562 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_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b [2023-11-19 04:55:55,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:55,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:55,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:55,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:55,917 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:55,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2023-11-19 04:55:59,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:59,829 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:59,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2023-11-19 04:55:59,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/data/ed9a51ee8/b07a3a7ce71c4ec6866532655561f58f/FLAG689db72ef [2023-11-19 04:55:59,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/data/ed9a51ee8/b07a3a7ce71c4ec6866532655561f58f [2023-11-19 04:55:59,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:59,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:59,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:59,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:59,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:59,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:59" (1/1) ... [2023-11-19 04:55:59,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307e2f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:59, skipping insertion in model container [2023-11-19 04:55:59,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:59" (1/1) ... [2023-11-19 04:56:00,152 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:56:03,522 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_5a274e13-887a-4cc6-a1f4-1edc33de36f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2023-11-19 04:56:03,527 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_5a274e13-887a-4cc6-a1f4-1edc33de36f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2023-11-19 04:56:03,528 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_5a274e13-887a-4cc6-a1f4-1edc33de36f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2023-11-19 04:56:03,529 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_5a274e13-887a-4cc6-a1f4-1edc33de36f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2023-11-19 04:56:03,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:56:03,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:56:03,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5236] [2023-11-19 04:56:03,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5243] [2023-11-19 04:56:03,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5250] [2023-11-19 04:56:03,834 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)); [5286-5287] [2023-11-19 04:56:03,834 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"); [5292-5294] [2023-11-19 04:56:03,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5411] [2023-11-19 04:56:03,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5419] [2023-11-19 04:56:03,847 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)); [5521-5522] [2023-11-19 04:56:03,849 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)); [5555-5556] [2023-11-19 04:56:04,174 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_5a274e13-887a-4cc6-a1f4-1edc33de36f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2023-11-19 04:56:04,175 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_5a274e13-887a-4cc6-a1f4-1edc33de36f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2023-11-19 04:56:04,176 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_5a274e13-887a-4cc6-a1f4-1edc33de36f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2023-11-19 04:56:04,177 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_5a274e13-887a-4cc6-a1f4-1edc33de36f6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2023-11-19 04:56:04,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:56:04,491 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:56:04,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04 WrapperNode [2023-11-19 04:56:04,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:56:04,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:56:04,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:56:04,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:56:04,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (1/1) ... [2023-11-19 04:56:04,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (1/1) ... [2023-11-19 04:56:04,992 INFO L138 Inliner]: procedures = 454, calls = 1990, calls flagged for inlining = 238, calls inlined = 222, statements flattened = 6095 [2023-11-19 04:56:04,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:56:04,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:56:04,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:56:04,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:56:05,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (1/1) ... [2023-11-19 04:56:05,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (1/1) ... [2023-11-19 04:56:05,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (1/1) ... [2023-11-19 04:56:05,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (1/1) ... [2023-11-19 04:56:05,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (1/1) ... [2023-11-19 04:56:05,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (1/1) ... [2023-11-19 04:56:05,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (1/1) ... [2023-11-19 04:56:05,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (1/1) ... [2023-11-19 04:56:05,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:56:05,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:56:05,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:56:05,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:56:05,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (1/1) ... [2023-11-19 04:56:05,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:56:05,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:56:05,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:56:05,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a274e13-887a-4cc6-a1f4-1edc33de36f6/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:56:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2023-11-19 04:56:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2023-11-19 04:56:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-19 04:56:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-19 04:56:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:56:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:56:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:56:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:56:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 04:56:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 04:56:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:56:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:56:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:56:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:56:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:56:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:56:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 04:56:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 04:56:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:56:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:56:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 04:56:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 04:56:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2023-11-19 04:56:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2023-11-19 04:56:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-19 04:56:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-19 04:56:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2023-11-19 04:56:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2023-11-19 04:56:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2023-11-19 04:56:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2023-11-19 04:56:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 04:56:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 04:56:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:56:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:56:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2023-11-19 04:56:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2023-11-19 04:56:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:56:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:56:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:56:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:56:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:56:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:56:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 04:56:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 04:56:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:56:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:56:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:56:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:56:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2023-11-19 04:56:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2023-11-19 04:56:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2023-11-19 04:56:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2023-11-19 04:56:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2023-11-19 04:56:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2023-11-19 04:56:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:56:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:56:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:56:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2023-11-19 04:56:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2023-11-19 04:56:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2023-11-19 04:56:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2023-11-19 04:56:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:56:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:56:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sis900_private [2023-11-19 04:56:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sis900_private [2023-11-19 04:56:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:56:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:56:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:56:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:56:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2023-11-19 04:56:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2023-11-19 04:56:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:56:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 04:56:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 04:56:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sis900_private [2023-11-19 04:56:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sis900_private [2023-11-19 04:56:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:56:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:56:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:56:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:56:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:56:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:56:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:56:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:56:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:56:05,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:56:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2023-11-19 04:56:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2023-11-19 04:56:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2023-11-19 04:56:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2023-11-19 04:56:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:56:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:56:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:56:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:56:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:56:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:56:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:56:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:56:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:56:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:56:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:56:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-19 04:56:05,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-19 04:56:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_open [2023-11-19 04:56:05,476 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_open [2023-11-19 04:56:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:56:05,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:56:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_nway_reset [2023-11-19 04:56:05,476 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_nway_reset [2023-11-19 04:56:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 04:56:05,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 04:56:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:56:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:56:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:56:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:56:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 04:56:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 04:56:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:56:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:56:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_close [2023-11-19 04:56:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_close [2023-11-19 04:56:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:56:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:56:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:56:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:56:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 04:56:05,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 04:56:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:56:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:56:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2023-11-19 04:56:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2023-11-19 04:56:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 04:56:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 04:56:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:56:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:56:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 04:56:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 04:56:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 04:56:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 04:56:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-11-19 04:56:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-11-19 04:56:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 04:56:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 04:56:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:56:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:56:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:56:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2023-11-19 04:56:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2023-11-19 04:56:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:56:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 04:56:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 04:56:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2023-11-19 04:56:05,487 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2023-11-19 04:56:05,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:56:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:56:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:56:05,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 04:56:05,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 04:56:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:56:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:56:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:56:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:56:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2023-11-19 04:56:05,489 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2023-11-19 04:56:05,489 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 04:56:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 04:56:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-19 04:56:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-19 04:56:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2023-11-19 04:56:05,490 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2023-11-19 04:56:05,490 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:56:05,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:56:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:56:05,491 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:56:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-19 04:56:05,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-19 04:56:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:56:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:56:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:56:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:56:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2023-11-19 04:56:05,494 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2023-11-19 04:56:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:56:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:56:05,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:56:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2023-11-19 04:56:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2023-11-19 04:56:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2023-11-19 04:56:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2023-11-19 04:56:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2023-11-19 04:56:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2023-11-19 04:56:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:56:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:56:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 04:56:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 04:56:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:56:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:56:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:56:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:56:05,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:56:06,469 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:56:06,474 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:56:06,985 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:56:11,378 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:56:11,518 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:56:15,611 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:56:15,611 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:56:15,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:56:15 BoogieIcfgContainer [2023-11-19 04:56:15,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:56:15,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:56:15,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:56:15,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:56:15,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:59" (1/3) ... [2023-11-19 04:56:15,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ceb8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:56:15, skipping insertion in model container [2023-11-19 04:56:15,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:56:04" (2/3) ... [2023-11-19 04:56:15,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ceb8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:56:15, skipping insertion in model container [2023-11-19 04:56:15,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:56:15" (3/3) ... [2023-11-19 04:56:15,645 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2023-11-19 04:56:15,668 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:56:15,668 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 04:56:15,771 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:56:15,779 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;@334a2309, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:56:15,779 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 04:56:15,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 1557 states, 901 states have (on average 1.288568257491676) internal successors, (1161), 927 states have internal predecessors, (1161), 560 states have call successors, (560), 94 states have call predecessors, (560), 93 states have return successors, (554), 546 states have call predecessors, (554), 554 states have call successors, (554) [2023-11-19 04:56:15,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 04:56:15,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:15,833 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:15,834 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)] === [2023-11-19 04:56:15,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:15,843 INFO L85 PathProgramCache]: Analyzing trace with hash -14155745, now seen corresponding path program 1 times [2023-11-19 04:56:15,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:56:15,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276389264] [2023-11-19 04:56:15,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:15,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:56:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-19 04:56:16,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:56:16,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276389264] [2023-11-19 04:56:16,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276389264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:16,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:56:16,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:56:16,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123660156] [2023-11-19 04:56:16,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:16,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:56:16,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:56:17,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:56:17,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:56:17,022 INFO L87 Difference]: Start difference. First operand has 1557 states, 901 states have (on average 1.288568257491676) internal successors, (1161), 927 states have internal predecessors, (1161), 560 states have call successors, (560), 94 states have call predecessors, (560), 93 states have return successors, (554), 546 states have call predecessors, (554), 554 states have call successors, (554) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-11-19 04:56:20,828 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 [] [2023-11-19 04:56:23,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:25,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:25,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:25,863 INFO L93 Difference]: Finished difference Result 4549 states and 6726 transitions. [2023-11-19 04:56:25,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:56:25,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) Word has length 131 [2023-11-19 04:56:25,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:25,908 INFO L225 Difference]: With dead ends: 4549 [2023-11-19 04:56:25,908 INFO L226 Difference]: Without dead ends: 3005 [2023-11-19 04:56:25,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:56:25,928 INFO L413 NwaCegarLoop]: 1932 mSDtfsCounter, 2151 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2151 SdHoareTripleChecker+Valid, 3817 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-19 04:56:25,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2151 Valid, 3817 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 706 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2023-11-19 04:56:25,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2023-11-19 04:56:26,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 3001. [2023-11-19 04:56:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 1752 states have (on average 1.2825342465753424) internal successors, (2247), 1803 states have internal predecessors, (2247), 1064 states have call successors, (1064), 183 states have call predecessors, (1064), 182 states have return successors, (1060), 1044 states have call predecessors, (1060), 1060 states have call successors, (1060) [2023-11-19 04:56:26,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4371 transitions. [2023-11-19 04:56:26,252 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4371 transitions. Word has length 131 [2023-11-19 04:56:26,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:26,254 INFO L495 AbstractCegarLoop]: Abstraction has 3001 states and 4371 transitions. [2023-11-19 04:56:26,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-11-19 04:56:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4371 transitions. [2023-11-19 04:56:26,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-19 04:56:26,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:26,261 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:26,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:56:26,262 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)] === [2023-11-19 04:56:26,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:26,262 INFO L85 PathProgramCache]: Analyzing trace with hash -992113485, now seen corresponding path program 1 times [2023-11-19 04:56:26,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:56:26,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156835249] [2023-11-19 04:56:26,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:26,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:56:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-19 04:56:26,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:56:26,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156835249] [2023-11-19 04:56:26,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156835249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:26,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:56:26,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:56:26,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461272003] [2023-11-19 04:56:26,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:26,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:56:26,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:56:26,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:56:26,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:56:26,763 INFO L87 Difference]: Start difference. First operand 3001 states and 4371 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-19 04:56:30,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:33,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:33,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:33,832 INFO L93 Difference]: Finished difference Result 8865 states and 12917 transitions. [2023-11-19 04:56:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:56:33,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 135 [2023-11-19 04:56:33,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:33,902 INFO L225 Difference]: With dead ends: 8865 [2023-11-19 04:56:33,903 INFO L226 Difference]: Without dead ends: 5887 [2023-11-19 04:56:33,930 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 [2023-11-19 04:56:33,931 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 2192 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2192 SdHoareTripleChecker+Valid, 3786 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:56:33,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2192 Valid, 3786 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 700 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2023-11-19 04:56:33,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5887 states. [2023-11-19 04:56:34,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5887 to 5858. [2023-11-19 04:56:34,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5858 states, 3430 states have (on average 1.2836734693877552) internal successors, (4403), 3534 states have internal predecessors, (4403), 2066 states have call successors, (2066), 364 states have call predecessors, (2066), 359 states have return successors, (2068), 2017 states have call predecessors, (2068), 2062 states have call successors, (2068) [2023-11-19 04:56:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5858 states to 5858 states and 8537 transitions. [2023-11-19 04:56:34,669 INFO L78 Accepts]: Start accepts. Automaton has 5858 states and 8537 transitions. Word has length 135 [2023-11-19 04:56:34,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:34,669 INFO L495 AbstractCegarLoop]: Abstraction has 5858 states and 8537 transitions. [2023-11-19 04:56:34,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-19 04:56:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 5858 states and 8537 transitions. [2023-11-19 04:56:34,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-19 04:56:34,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:34,672 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:34,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:56:34,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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)] === [2023-11-19 04:56:34,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:34,674 INFO L85 PathProgramCache]: Analyzing trace with hash -469457043, now seen corresponding path program 1 times [2023-11-19 04:56:34,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:56:34,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238407853] [2023-11-19 04:56:34,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:34,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:56:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-19 04:56:34,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:56:34,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238407853] [2023-11-19 04:56:34,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238407853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:34,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:56:34,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:56:34,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835016132] [2023-11-19 04:56:34,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:34,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:56:34,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:56:34,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:56:34,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:56:34,947 INFO L87 Difference]: Start difference. First operand 5858 states and 8537 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-19 04:56:37,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:42,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:56:42,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:56:42,368 INFO L93 Difference]: Finished difference Result 16688 states and 24243 transitions. [2023-11-19 04:56:42,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:56:42,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 137 [2023-11-19 04:56:42,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:56:42,469 INFO L225 Difference]: With dead ends: 16688 [2023-11-19 04:56:42,470 INFO L226 Difference]: Without dead ends: 10853 [2023-11-19 04:56:42,512 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 [2023-11-19 04:56:42,516 INFO L413 NwaCegarLoop]: 1911 mSDtfsCounter, 1888 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 3756 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:56:42,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1888 Valid, 3756 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 732 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2023-11-19 04:56:42,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10853 states. [2023-11-19 04:56:43,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10853 to 10822. [2023-11-19 04:56:43,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10822 states, 6288 states have (on average 1.2708333333333333) internal successors, (7991), 6486 states have internal predecessors, (7991), 3840 states have call successors, (3840), 702 states have call predecessors, (3840), 691 states have return successors, (3850), 3743 states have call predecessors, (3850), 3836 states have call successors, (3850) [2023-11-19 04:56:43,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10822 states to 10822 states and 15681 transitions. [2023-11-19 04:56:43,504 INFO L78 Accepts]: Start accepts. Automaton has 10822 states and 15681 transitions. Word has length 137 [2023-11-19 04:56:43,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:56:43,506 INFO L495 AbstractCegarLoop]: Abstraction has 10822 states and 15681 transitions. [2023-11-19 04:56:43,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-19 04:56:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 10822 states and 15681 transitions. [2023-11-19 04:56:43,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 04:56:43,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:56:43,513 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:56:43,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:56:43,514 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2023-11-19 04:56:43,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:56:43,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1298852685, now seen corresponding path program 1 times [2023-11-19 04:56:43,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:56:43,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239722673] [2023-11-19 04:56:43,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:56:43,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:56:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:56:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2023-11-19 04:56:43,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:56:43,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239722673] [2023-11-19 04:56:43,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239722673] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:56:43,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:56:43,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:56:43,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833625971] [2023-11-19 04:56:43,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:56:43,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:56:43,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:56:43,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:56:43,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:56:43,884 INFO L87 Difference]: Start difference. First operand 10822 states and 15681 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15)