./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-fealnx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d612e3d3aaa54cbaaae78896c02f6ca9c3968df93584b0bde88897a60cfa04a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:06:47,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:06:47,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:06:47,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:06:47,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:06:47,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:06:47,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:06:47,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:06:47,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:06:47,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:06:47,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:06:47,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:06:47,743 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:06:47,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:06:47,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:06:47,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:06:47,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:06:47,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:06:47,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:06:47,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:06:47,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:06:47,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:06:47,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:06:47,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:06:47,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:06:47,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:47,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:06:47,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:06:47,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:06:47,754 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:06:47,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:06:47,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:06:47,756 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:06:47,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:06:47,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:06:47,757 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:06:47,758 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d612e3d3aaa54cbaaae78896c02f6ca9c3968df93584b0bde88897a60cfa04a [2023-11-12 02:06:48,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:06:48,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:06:48,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:06:48,036 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:06:48,037 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:06:48,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-12 02:06:51,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:06:51,925 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:06:51,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-12 02:06:51,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/data/eb3105afc/cea5d07f36b74f05996ef287e009ca75/FLAG3e295fdc9 [2023-11-12 02:06:52,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/data/eb3105afc/cea5d07f36b74f05996ef287e009ca75 [2023-11-12 02:06:52,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:06:52,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:06:52,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:52,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:06:52,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:06:52,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:52" (1/1) ... [2023-11-12 02:06:52,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12aacca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:52, skipping insertion in model container [2023-11-12 02:06:52,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:52" (1/1) ... [2023-11-12 02:06:52,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:06:55,397 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_42a645aa-375a-4601-88b9-6d8716b29d22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2023-11-12 02:06:55,403 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_42a645aa-375a-4601-88b9-6d8716b29d22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2023-11-12 02:06:55,404 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_42a645aa-375a-4601-88b9-6d8716b29d22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2023-11-12 02:06:55,405 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_42a645aa-375a-4601-88b9-6d8716b29d22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2023-11-12 02:06:55,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:55,510 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:06:55,694 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"); [5241] [2023-11-12 02:06:55,696 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)); [5248] [2023-11-12 02:06:55,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5255] [2023-11-12 02:06:55,698 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)); [5294-5295] [2023-11-12 02:06:55,699 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"); [5300-5302] [2023-11-12 02:06:55,710 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)); [5511-5512] [2023-11-12 02:06:55,714 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)); [5545-5546] [2023-11-12 02:06:55,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5582-5583] [2023-11-12 02:06:55,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5619-5620] [2023-11-12 02:06:55,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7057] [2023-11-12 02:06:56,004 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_42a645aa-375a-4601-88b9-6d8716b29d22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2023-11-12 02:06:56,004 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_42a645aa-375a-4601-88b9-6d8716b29d22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2023-11-12 02:06:56,005 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_42a645aa-375a-4601-88b9-6d8716b29d22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2023-11-12 02:06:56,005 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_42a645aa-375a-4601-88b9-6d8716b29d22/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2023-11-12 02:06:56,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:56,252 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:06:56,261 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:06:56,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56 WrapperNode [2023-11-12 02:06:56,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:56,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:56,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:06:56,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:06:56,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (1/1) ... [2023-11-12 02:06:56,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (1/1) ... [2023-11-12 02:06:56,651 INFO L138 Inliner]: procedures = 434, calls = 1832, calls flagged for inlining = 216, calls inlined = 199, statements flattened = 4823 [2023-11-12 02:06:56,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:56,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:06:56,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:06:56,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:06:56,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (1/1) ... [2023-11-12 02:06:56,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (1/1) ... [2023-11-12 02:06:56,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (1/1) ... [2023-11-12 02:06:56,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (1/1) ... [2023-11-12 02:06:56,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (1/1) ... [2023-11-12 02:06:56,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (1/1) ... [2023-11-12 02:06:56,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (1/1) ... [2023-11-12 02:06:56,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (1/1) ... [2023-11-12 02:06:57,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:06:57,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:06:57,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:06:57,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:06:57,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (1/1) ... [2023-11-12 02:06:57,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:57,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:57,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:57,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42a645aa-375a-4601-88b9-6d8716b29d22/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:06:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2023-11-12 02:06:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2023-11-12 02:06:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-12 02:06:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-12 02:06:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:06:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:06:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:06:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:06:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 02:06:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 02:06:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:06:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:06:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:06:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:06:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:06:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:06:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:06:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:06:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_79 [2023-11-12 02:06:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_79 [2023-11-12 02:06:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2023-11-12 02:06:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2023-11-12 02:06:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 02:06:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 02:06:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:06:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:06:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:06:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 02:06:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 02:06:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 02:06:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 02:06:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2023-11-12 02:06:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2023-11-12 02:06:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:06:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:06:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:06:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:06:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:06:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:06:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-12 02:06:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-12 02:06:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2023-11-12 02:06:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2023-11-12 02:06:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 02:06:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 02:06:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:06:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 02:06:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 02:06:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:06:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:06:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:06:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2023-11-12 02:06:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2023-11-12 02:06:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:06:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:06:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2023-11-12 02:06:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2023-11-12 02:06:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:06:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:06:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:06:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 02:06:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 02:06:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:06:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 02:06:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 02:06:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:06:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:06:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 02:06:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 02:06:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:06:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:06:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 02:06:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 02:06:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 02:06:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 02:06:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:06:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:06:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:06:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 02:06:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 02:06:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 02:06:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 02:06:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:06:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2023-11-12 02:06:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2023-11-12 02:06:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:06:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:06:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:06:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:06:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:06:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:06:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:06:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:06:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:06:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:06:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:06:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 02:06:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 02:06:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:06:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:06:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 02:06:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 02:06:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 02:06:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 02:06:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2023-11-12 02:06:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2023-11-12 02:06:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 02:06:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 02:06:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:06:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:06:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:06:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:06:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:06:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:06:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-12 02:06:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-12 02:06:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:06:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:06:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 02:06:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 02:06:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-12 02:06:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-12 02:06:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2023-11-12 02:06:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2023-11-12 02:06:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 02:06:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 02:06:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:06:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:06:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:06:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:06:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 02:06:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 02:06:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_78 [2023-11-12 02:06:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_78 [2023-11-12 02:06:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 02:06:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 02:06:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 02:06:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 02:06:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:06:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2023-11-12 02:06:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2023-11-12 02:06:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 02:06:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 02:06:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:06:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 02:06:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 02:06:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:06:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:06:57,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:06:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:06:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:06:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:06:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:06:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-12 02:06:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-12 02:06:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:06:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:06:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-12 02:06:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-12 02:06:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 02:06:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 02:06:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:06:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:06:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 02:06:57,140 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 02:06:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2023-11-12 02:06:57,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2023-11-12 02:06:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2023-11-12 02:06:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2023-11-12 02:06:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:06:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2023-11-12 02:06:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2023-11-12 02:06:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:06:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:06:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:06:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:06:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 02:06:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 02:06:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 02:06:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 02:06:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:06:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:06:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:06:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-11-12 02:06:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-11-12 02:06:57,992 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:06:57,997 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:06:58,986 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:07:02,352 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:07:02,469 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:07:02,498 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:07:02,498 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:07:02,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:07:02 BoogieIcfgContainer [2023-11-12 02:07:02,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:07:02,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:07:02,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:07:02,513 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:07:02,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:06:52" (1/3) ... [2023-11-12 02:07:02,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d777859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:07:02, skipping insertion in model container [2023-11-12 02:07:02,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:56" (2/3) ... [2023-11-12 02:07:02,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d777859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:07:02, skipping insertion in model container [2023-11-12 02:07:02,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:07:02" (3/3) ... [2023-11-12 02:07:02,518 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-12 02:07:02,540 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:07:02,540 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 02:07:02,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:07:02,671 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=PETRI_NET, 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;@3ca496d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:07:02,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 02:07:02,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 1815 states, 1317 states have (on average 1.3545937737281701) internal successors, (1784), 1337 states have internal predecessors, (1784), 412 states have call successors, (412), 84 states have call predecessors, (412), 83 states have return successors, (406), 403 states have call predecessors, (406), 406 states have call successors, (406) [2023-11-12 02:07:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-12 02:07:02,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:02,716 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:02,717 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)] === [2023-11-12 02:07:02,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:02,723 INFO L85 PathProgramCache]: Analyzing trace with hash -51231761, now seen corresponding path program 1 times [2023-11-12 02:07:02,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:02,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806390283] [2023-11-12 02:07:02,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:02,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:07:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:07:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:07:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:07:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:07:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:07:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:07:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:07:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:07:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:07:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-12 02:07:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:04,000 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2023-11-12 02:07:04,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:04,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806390283] [2023-11-12 02:07:04,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806390283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:04,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:04,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:07:04,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466382300] [2023-11-12 02:07:04,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:04,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:07:04,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:04,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:07:04,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:07:04,073 INFO L87 Difference]: Start difference. First operand has 1815 states, 1317 states have (on average 1.3545937737281701) internal successors, (1784), 1337 states have internal predecessors, (1784), 412 states have call successors, (412), 84 states have call predecessors, (412), 83 states have return successors, (406), 403 states have call predecessors, (406), 406 states have call successors, (406) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 02:07:10,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:10,359 INFO L93 Difference]: Finished difference Result 5398 states and 7941 transitions. [2023-11-12 02:07:10,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:07:10,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 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 127 [2023-11-12 02:07:10,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:10,426 INFO L225 Difference]: With dead ends: 5398 [2023-11-12 02:07:10,426 INFO L226 Difference]: Without dead ends: 3596 [2023-11-12 02:07:10,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:07:10,450 INFO L413 NwaCegarLoop]: 1651 mSDtfsCounter, 3590 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 2404 mSolverCounterSat, 1099 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 4076 SdHoareTripleChecker+Invalid, 3503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1099 IncrementalHoareTripleChecker+Valid, 2404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:10,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3955 Valid, 4076 Invalid, 3503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1099 Valid, 2404 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-12 02:07:10,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2023-11-12 02:07:10,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 3496. [2023-11-12 02:07:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3496 states, 2562 states have (on average 1.339968774395004) internal successors, (3433), 2601 states have internal predecessors, (3433), 769 states have call successors, (769), 163 states have call predecessors, (769), 162 states have return successors, (765), 759 states have call predecessors, (765), 765 states have call successors, (765) [2023-11-12 02:07:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3496 states and 4967 transitions. [2023-11-12 02:07:10,932 INFO L78 Accepts]: Start accepts. Automaton has 3496 states and 4967 transitions. Word has length 127 [2023-11-12 02:07:10,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:10,934 INFO L495 AbstractCegarLoop]: Abstraction has 3496 states and 4967 transitions. [2023-11-12 02:07:10,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 02:07:10,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3496 states and 4967 transitions. [2023-11-12 02:07:10,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-12 02:07:10,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:10,942 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:10,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:07:10,943 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)] === [2023-11-12 02:07:10,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:10,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1365443986, now seen corresponding path program 1 times [2023-11-12 02:07:10,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:10,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546272227] [2023-11-12 02:07:10,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:10,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:07:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:07:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:07:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:07:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:07:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:07:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:07:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:07:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:07:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:07:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-12 02:07:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-12 02:07:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:11,607 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2023-11-12 02:07:11,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:11,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546272227] [2023-11-12 02:07:11,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546272227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:11,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:11,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:07:11,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737035917] [2023-11-12 02:07:11,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:11,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:07:11,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:11,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:07:11,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:07:11,616 INFO L87 Difference]: Start difference. First operand 3496 states and 4967 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-12 02:07:18,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:18,186 INFO L93 Difference]: Finished difference Result 9966 states and 14126 transitions. [2023-11-12 02:07:18,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:07:18,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 129 [2023-11-12 02:07:18,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:18,260 INFO L225 Difference]: With dead ends: 9966 [2023-11-12 02:07:18,260 INFO L226 Difference]: Without dead ends: 6493 [2023-11-12 02:07:18,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:07:18,282 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 3137 mSDsluCounter, 2504 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 1084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3447 SdHoareTripleChecker+Valid, 4212 SdHoareTripleChecker+Invalid, 3470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1084 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:18,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3447 Valid, 4212 Invalid, 3470 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1084 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-11-12 02:07:18,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6493 states. [2023-11-12 02:07:18,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6493 to 6295. [2023-11-12 02:07:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6295 states, 4586 states have (on average 1.3242477104230266) internal successors, (6073), 4662 states have internal predecessors, (6073), 1385 states have call successors, (1385), 316 states have call predecessors, (1385), 321 states have return successors, (1413), 1360 states have call predecessors, (1413), 1381 states have call successors, (1413) [2023-11-12 02:07:18,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 8871 transitions. [2023-11-12 02:07:18,793 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 8871 transitions. Word has length 129 [2023-11-12 02:07:18,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:18,794 INFO L495 AbstractCegarLoop]: Abstraction has 6295 states and 8871 transitions. [2023-11-12 02:07:18,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-12 02:07:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 8871 transitions. [2023-11-12 02:07:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-12 02:07:18,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:18,800 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:18,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:07:18,800 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)] === [2023-11-12 02:07:18,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:18,801 INFO L85 PathProgramCache]: Analyzing trace with hash -184232608, now seen corresponding path program 1 times [2023-11-12 02:07:18,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:18,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780994289] [2023-11-12 02:07:18,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:18,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:07:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:07:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:07:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:07:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:07:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:07:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:07:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:07:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:07:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:07:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-12 02:07:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2023-11-12 02:07:19,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:19,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780994289] [2023-11-12 02:07:19,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780994289] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:19,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:19,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:07:19,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684850147] [2023-11-12 02:07:19,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:19,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:07:19,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:19,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:07:19,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:07:19,285 INFO L87 Difference]: Start difference. First operand 6295 states and 8871 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 02:07:25,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:25,293 INFO L93 Difference]: Finished difference Result 18327 states and 25942 transitions. [2023-11-12 02:07:25,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:07:25,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 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 134 [2023-11-12 02:07:25,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:25,402 INFO L225 Difference]: With dead ends: 18327 [2023-11-12 02:07:25,407 INFO L226 Difference]: Without dead ends: 12055 [2023-11-12 02:07:25,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:07:25,447 INFO L413 NwaCegarLoop]: 1638 mSDtfsCounter, 3311 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 2408 mSolverCounterSat, 1128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3649 SdHoareTripleChecker+Valid, 4034 SdHoareTripleChecker+Invalid, 3536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1128 IncrementalHoareTripleChecker+Valid, 2408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:25,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3649 Valid, 4034 Invalid, 3536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1128 Valid, 2408 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-12 02:07:25,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12055 states. [2023-11-12 02:07:26,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12055 to 11683. [2023-11-12 02:07:26,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11683 states, 8466 states have (on average 1.3284904323175053) internal successors, (11247), 8612 states have internal predecessors, (11247), 2597 states have call successors, (2597), 610 states have call predecessors, (2597), 617 states have return successors, (2657), 2540 states have call predecessors, (2657), 2593 states have call successors, (2657) [2023-11-12 02:07:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11683 states to 11683 states and 16501 transitions. [2023-11-12 02:07:26,236 INFO L78 Accepts]: Start accepts. Automaton has 11683 states and 16501 transitions. Word has length 134 [2023-11-12 02:07:26,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:26,239 INFO L495 AbstractCegarLoop]: Abstraction has 11683 states and 16501 transitions. [2023-11-12 02:07:26,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 02:07:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 11683 states and 16501 transitions. [2023-11-12 02:07:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-12 02:07:26,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:07:26,245 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:26,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:07:26,245 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)] === [2023-11-12 02:07:26,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:26,246 INFO L85 PathProgramCache]: Analyzing trace with hash -2087355349, now seen corresponding path program 1 times [2023-11-12 02:07:26,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:26,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965504617] [2023-11-12 02:07:26,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:26,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:07:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:07:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:07:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:07:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:07:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:07:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:07:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:07:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:07:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:07:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:07:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-12 02:07:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2023-11-12 02:07:27,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:27,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965504617] [2023-11-12 02:07:27,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965504617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:07:27,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:07:27,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:07:27,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754061754] [2023-11-12 02:07:27,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:07:27,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:07:27,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:27,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:07:27,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:07:27,155 INFO L87 Difference]: Start difference. First operand 11683 states and 16501 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12)