./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_9384c145-1e8d-441a-909c-3a8aec37c83b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/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_9384c145-1e8d-441a-909c-3a8aec37c83b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/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_9384c145-1e8d-441a-909c-3a8aec37c83b/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 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:01:15,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:01:15,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:01:15,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:01:15,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:01:15,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:01:15,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:01:15,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:01:15,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:01:15,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:01:15,986 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:01:15,987 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:01:15,987 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:01:15,988 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:01:15,989 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:01:15,989 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:01:15,990 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:01:15,990 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:01:15,991 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:01:15,992 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:01:15,992 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:01:15,998 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:01:15,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:01:16,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:01:16,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:01:16,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:01:16,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:01:16,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:01:16,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:01:16,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:01:16,005 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:01:16,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:01:16,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:01:16,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:16,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:01:16,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:01:16,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:01:16,007 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:01:16,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:01:16,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:01:16,008 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:01:16,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:01:16,010 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_9384c145-1e8d-441a-909c-3a8aec37c83b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2023-11-19 05:01:16,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:01:16,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:01:16,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:01:16,396 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:01:16,397 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:01:16,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-19 05:01:20,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:01:20,940 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:01:20,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-19 05:01:21,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/bin/utaipan-verify-t7M7D8N6sZ/data/ae87a6a6a/417418999b664ff2ad7f616957f6dbc3/FLAG8adc0e3b4 [2023-11-19 05:01:21,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/bin/utaipan-verify-t7M7D8N6sZ/data/ae87a6a6a/417418999b664ff2ad7f616957f6dbc3 [2023-11-19 05:01:21,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:01:21,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:01:21,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:21,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:01:21,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:01:21,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:21" (1/1) ... [2023-11-19 05:01:21,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775b1c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:21, skipping insertion in model container [2023-11-19 05:01:21,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:21" (1/1) ... [2023-11-19 05:01:21,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:01:24,979 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_9384c145-1e8d-441a-909c-3a8aec37c83b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2023-11-19 05:01:24,985 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_9384c145-1e8d-441a-909c-3a8aec37c83b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2023-11-19 05:01:24,985 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_9384c145-1e8d-441a-909c-3a8aec37c83b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2023-11-19 05:01:24,986 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_9384c145-1e8d-441a-909c-3a8aec37c83b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2023-11-19 05:01:25,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:25,146 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:01:25,296 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"); [5245] [2023-11-19 05:01:25,309 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)); [5252] [2023-11-19 05:01:25,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5259] [2023-11-19 05:01:25,312 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)); [5309-5310] [2023-11-19 05:01:25,313 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"); [5315-5317] [2023-11-19 05:01:25,329 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)); [5476-5477] [2023-11-19 05:01:25,331 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)); [5510-5511] [2023-11-19 05:01:25,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7257] [2023-11-19 05:01:25,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7580] [2023-11-19 05:01:25,722 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_9384c145-1e8d-441a-909c-3a8aec37c83b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2023-11-19 05:01:25,723 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_9384c145-1e8d-441a-909c-3a8aec37c83b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2023-11-19 05:01:25,723 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_9384c145-1e8d-441a-909c-3a8aec37c83b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2023-11-19 05:01:25,724 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_9384c145-1e8d-441a-909c-3a8aec37c83b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2023-11-19 05:01:25,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:26,020 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:01:26,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26 WrapperNode [2023-11-19 05:01:26,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:26,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:26,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:01:26,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:01:26,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (1/1) ... [2023-11-19 05:01:26,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (1/1) ... [2023-11-19 05:01:26,603 INFO L138 Inliner]: procedures = 422, calls = 2027, calls flagged for inlining = 203, calls inlined = 186, statements flattened = 6154 [2023-11-19 05:01:26,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:26,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:01:26,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:01:26,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:01:26,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (1/1) ... [2023-11-19 05:01:26,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (1/1) ... [2023-11-19 05:01:26,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (1/1) ... [2023-11-19 05:01:26,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (1/1) ... [2023-11-19 05:01:26,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (1/1) ... [2023-11-19 05:01:26,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (1/1) ... [2023-11-19 05:01:26,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (1/1) ... [2023-11-19 05:01:26,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (1/1) ... [2023-11-19 05:01:26,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:01:26,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:01:26,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:01:26,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:01:26,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (1/1) ... [2023-11-19 05:01:27,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:27,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:27,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:01:27,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9384c145-1e8d-441a-909c-3a8aec37c83b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:01:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 05:01:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 05:01:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:01:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:01:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 05:01:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 05:01:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2023-11-19 05:01:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2023-11-19 05:01:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 05:01:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 05:01:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:01:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:01:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2023-11-19 05:01:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2023-11-19 05:01:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 05:01:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 05:01:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 05:01:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 05:01:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dmfe_board_info [2023-11-19 05:01:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dmfe_board_info [2023-11-19 05:01:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 05:01:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 05:01:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 05:01:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 05:01:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 05:01:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 05:01:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-19 05:01:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-19 05:01:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 05:01:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 05:01:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 05:01:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 05:01:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2023-11-19 05:01:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2023-11-19 05:01:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-11-19 05:01:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-11-19 05:01:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 05:01:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 05:01:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:01:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:01:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 05:01:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 05:01:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 05:01:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 05:01:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 05:01:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 05:01:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:01:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:01:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-19 05:01:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-19 05:01:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:01:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2023-11-19 05:01:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2023-11-19 05:01:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 05:01:27,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 05:01:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:01:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 05:01:27,117 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 05:01:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-19 05:01:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-19 05:01:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:01:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:01:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:01:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2023-11-19 05:01:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2023-11-19 05:01:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2023-11-19 05:01:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2023-11-19 05:01:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:01:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2023-11-19 05:01:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2023-11-19 05:01:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 05:01:27,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 05:01:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 05:01:27,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 05:01:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 05:01:27,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 05:01:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:01:27,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:01:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2023-11-19 05:01:27,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2023-11-19 05:01:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 05:01:27,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 05:01:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2023-11-19 05:01:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2023-11-19 05:01:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 05:01:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 05:01:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2023-11-19 05:01:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2023-11-19 05:01:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:01:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:01:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:01:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:01:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:01:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:01:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2023-11-19 05:01:27,126 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2023-11-19 05:01:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:01:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:01:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:01:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:01:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:01:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-19 05:01:27,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-19 05:01:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:01:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:01:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-19 05:01:27,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-19 05:01:27,130 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2023-11-19 05:01:27,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2023-11-19 05:01:27,131 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 05:01:27,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 05:01:27,131 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:01:27,131 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:01:27,131 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 05:01:27,132 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 05:01:27,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 05:01:27,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 05:01:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2023-11-19 05:01:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2023-11-19 05:01:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:01:27,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:01:27,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:01:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:01:27,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:01:27,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:01:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 05:01:27,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 05:01:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 05:01:27,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 05:01:27,135 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2023-11-19 05:01:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2023-11-19 05:01:27,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 05:01:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 05:01:27,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 05:01:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 05:01:27,142 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-19 05:01:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-19 05:01:27,143 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 05:01:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 05:01:27,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 05:01:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 05:01:27,145 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2023-11-19 05:01:27,145 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2023-11-19 05:01:27,146 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 05:01:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 05:01:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:01:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:01:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 05:01:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 05:01:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-19 05:01:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-19 05:01:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:01:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:01:27,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:01:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2023-11-19 05:01:27,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2023-11-19 05:01:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 05:01:27,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 05:01:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:01:27,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:01:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-19 05:01:27,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-19 05:01:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 05:01:27,156 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 05:01:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2023-11-19 05:01:27,156 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2023-11-19 05:01:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:01:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:01:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:01:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2023-11-19 05:01:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2023-11-19 05:01:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2023-11-19 05:01:27,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2023-11-19 05:01:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-19 05:01:27,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-19 05:01:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:01:27,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:01:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 05:01:27,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 05:01:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 05:01:27,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 05:01:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:01:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:01:27,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:01:28,303 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:01:28,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:01:28,752 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:01:34,024 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:01:34,191 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:01:39,126 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:01:39,127 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:01:39,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:39 BoogieIcfgContainer [2023-11-19 05:01:39,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:01:39,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:01:39,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:01:39,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:01:39,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:01:21" (1/3) ... [2023-11-19 05:01:39,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5c70c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:39, skipping insertion in model container [2023-11-19 05:01:39,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:26" (2/3) ... [2023-11-19 05:01:39,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5c70c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:39, skipping insertion in model container [2023-11-19 05:01:39,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:39" (3/3) ... [2023-11-19 05:01:39,162 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-19 05:01:39,187 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:01:39,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 05:01:39,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:01:39,340 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;@231a938a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:01:39,341 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 05:01:39,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 1320 states, 774 states have (on average 1.301033591731266) internal successors, (1007), 797 states have internal predecessors, (1007), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) [2023-11-19 05:01:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 05:01:39,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:39,399 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:39,400 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 05:01:39,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:39,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1187468, now seen corresponding path program 1 times [2023-11-19 05:01:39,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:39,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029882814] [2023-11-19 05:01:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:39,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 05:01:40,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:40,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029882814] [2023-11-19 05:01:40,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029882814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:40,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:40,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:01:40,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247337188] [2023-11-19 05:01:40,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:40,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:01:40,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:40,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:01:40,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:01:40,540 INFO L87 Difference]: Start difference. First operand has 1320 states, 774 states have (on average 1.301033591731266) internal successors, (1007), 797 states have internal predecessors, (1007), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 05:01:42,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:01:45,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:45,113 INFO L93 Difference]: Finished difference Result 3834 states and 5643 transitions. [2023-11-19 05:01:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:01:45,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 101 [2023-11-19 05:01:45,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:45,172 INFO L225 Difference]: With dead ends: 3834 [2023-11-19 05:01:45,172 INFO L226 Difference]: Without dead ends: 2521 [2023-11-19 05:01:45,191 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 05:01:45,195 INFO L413 NwaCegarLoop]: 1640 mSDtfsCounter, 1799 mSDsluCounter, 1577 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1799 SdHoareTripleChecker+Valid, 3217 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:45,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1799 Valid, 3217 Invalid, 591 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-19 05:01:45,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2023-11-19 05:01:45,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2517. [2023-11-19 05:01:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 1488 states have (on average 1.293010752688172) internal successors, (1924), 1533 states have internal predecessors, (1924), 864 states have call successors, (864), 163 states have call predecessors, (864), 162 states have return successors, (860), 842 states have call predecessors, (860), 860 states have call successors, (860) [2023-11-19 05:01:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3648 transitions. [2023-11-19 05:01:45,525 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3648 transitions. Word has length 101 [2023-11-19 05:01:45,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:45,526 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3648 transitions. [2023-11-19 05:01:45,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 05:01:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3648 transitions. [2023-11-19 05:01:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 05:01:45,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:45,535 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:45,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:01:45,536 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 05:01:45,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:45,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2085338031, now seen corresponding path program 1 times [2023-11-19 05:01:45,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:45,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527050815] [2023-11-19 05:01:45,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:45,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 05:01:46,033 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:46,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527050815] [2023-11-19 05:01:46,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527050815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:46,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:46,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:01:46,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106267304] [2023-11-19 05:01:46,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:46,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:01:46,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:46,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:01:46,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:01:46,038 INFO L87 Difference]: Start difference. First operand 2517 states and 3648 transitions. 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 05:01:47,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:01:49,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:01:51,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:51,032 INFO L93 Difference]: Finished difference Result 7459 states and 10820 transitions. [2023-11-19 05:01:51,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:01:51,033 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2023-11-19 05:01:51,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:51,100 INFO L225 Difference]: With dead ends: 7459 [2023-11-19 05:01:51,101 INFO L226 Difference]: Without dead ends: 4959 [2023-11-19 05:01:51,122 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 05:01:51,124 INFO L413 NwaCegarLoop]: 1622 mSDtfsCounter, 1848 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 3200 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:51,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 3200 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-19 05:01:51,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4959 states. [2023-11-19 05:01:51,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4959 to 4929. [2023-11-19 05:01:51,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4929 states, 2929 states have (on average 1.295322635711847) internal successors, (3794), 3023 states have internal predecessors, (3794), 1676 states have call successors, (1676), 324 states have call predecessors, (1676), 321 states have return successors, (1682), 1625 states have call predecessors, (1682), 1672 states have call successors, (1682) [2023-11-19 05:01:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4929 states to 4929 states and 7152 transitions. [2023-11-19 05:01:51,764 INFO L78 Accepts]: Start accepts. Automaton has 4929 states and 7152 transitions. Word has length 107 [2023-11-19 05:01:51,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:51,765 INFO L495 AbstractCegarLoop]: Abstraction has 4929 states and 7152 transitions. [2023-11-19 05:01:51,765 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 05:01:51,765 INFO L276 IsEmpty]: Start isEmpty. Operand 4929 states and 7152 transitions. [2023-11-19 05:01:51,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 05:01:51,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:51,771 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:51,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:01:51,771 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 05:01:51,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:51,782 INFO L85 PathProgramCache]: Analyzing trace with hash 811231355, now seen corresponding path program 1 times [2023-11-19 05:01:51,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:51,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020859274] [2023-11-19 05:01:51,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:51,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 05:01:52,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:52,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020859274] [2023-11-19 05:01:52,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020859274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:52,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:52,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:01:52,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59666037] [2023-11-19 05:01:52,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:52,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:01:52,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:52,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:01:52,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:01:52,265 INFO L87 Difference]: Start difference. First operand 4929 states and 7152 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 05:01:56,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:56,787 INFO L93 Difference]: Finished difference Result 14019 states and 20304 transitions. [2023-11-19 05:01:56,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:01:56,788 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2023-11-19 05:01:56,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:56,889 INFO L225 Difference]: With dead ends: 14019 [2023-11-19 05:01:56,890 INFO L226 Difference]: Without dead ends: 9107 [2023-11-19 05:01:56,927 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 05:01:56,933 INFO L413 NwaCegarLoop]: 1709 mSDtfsCounter, 1613 mSDsluCounter, 1574 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 3283 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:56,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 3283 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-19 05:01:56,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9107 states. [2023-11-19 05:01:57,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9107 to 9073. [2023-11-19 05:01:57,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9073 states, 5395 states have (on average 1.2967562557924004) internal successors, (6996), 5577 states have internal predecessors, (6996), 3056 states have call successors, (3056), 626 states have call predecessors, (3056), 619 states have return successors, (3078), 2953 states have call predecessors, (3078), 3052 states have call successors, (3078) [2023-11-19 05:01:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9073 states to 9073 states and 13130 transitions. [2023-11-19 05:01:57,733 INFO L78 Accepts]: Start accepts. Automaton has 9073 states and 13130 transitions. Word has length 107 [2023-11-19 05:01:57,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:57,736 INFO L495 AbstractCegarLoop]: Abstraction has 9073 states and 13130 transitions. [2023-11-19 05:01:57,737 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 05:01:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 9073 states and 13130 transitions. [2023-11-19 05:01:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 05:01:57,748 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:57,748 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:57,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:01:57,749 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 05:01:57,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:57,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1641546247, now seen corresponding path program 1 times [2023-11-19 05:01:57,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:57,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908517029] [2023-11-19 05:01:57,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:57,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:58,165 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 05:01:58,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:58,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908517029] [2023-11-19 05:01:58,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908517029] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:58,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:58,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:01:58,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636374203] [2023-11-19 05:01:58,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:58,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:01:58,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:58,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:01:58,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:01:58,169 INFO L87 Difference]: Start difference. First operand 9073 states and 13130 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)