./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-mutex_drivers-net-ethernet-icplus-ipg.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx --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 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:23:30,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:23:30,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:23:30,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:23:30,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:23:30,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:23:30,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:23:30,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:23:30,326 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:23:30,330 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:23:30,331 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:23:30,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:23:30,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:23:30,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:23:30,335 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:23:30,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:23:30,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:23:30,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:23:30,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:23:30,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:23:30,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:23:30,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:23:30,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:23:30,340 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:23:30,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:23:30,341 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:23:30,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:23:30,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:23:30,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:30,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:23:30,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:23:30,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:23:30,345 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:23:30,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:23:30,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:23:30,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:23:30,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:23:30,347 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:23:30,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:23:30,347 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_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 [2023-11-21 22:23:30,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:23:30,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:23:30,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:23:30,702 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:23:30,702 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:23:30,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2023-11-21 22:23:33,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:23:34,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:23:34,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2023-11-21 22:23:34,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/data/e941a3e20/7827c108e1d446c78a5b821de56cc582/FLAG45898738f [2023-11-21 22:23:34,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/data/e941a3e20/7827c108e1d446c78a5b821de56cc582 [2023-11-21 22:23:34,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:23:34,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:23:34,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:34,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:23:34,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:23:34,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:34" (1/1) ... [2023-11-21 22:23:34,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a197567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:34, skipping insertion in model container [2023-11-21 22:23:34,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:34" (1/1) ... [2023-11-21 22:23:34,868 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:23:37,434 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_be87bf6c-b915-491e-9d39-3dc5485acbed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2023-11-21 22:23:37,438 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_be87bf6c-b915-491e-9d39-3dc5485acbed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2023-11-21 22:23:37,439 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_be87bf6c-b915-491e-9d39-3dc5485acbed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2023-11-21 22:23:37,440 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_be87bf6c-b915-491e-9d39-3dc5485acbed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2023-11-21 22:23:37,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:37,526 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:23:37,732 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"); [5267] [2023-11-21 22:23:37,740 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)); [5274] [2023-11-21 22:23:37,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5281] [2023-11-21 22:23:37,742 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/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5325-5326] [2023-11-21 22:23:37,743 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"); [5331-5333] [2023-11-21 22:23:37,752 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)); [5529-5530] [2023-11-21 22:23:37,757 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)); [5563-5564] [2023-11-21 22:23:37,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7915] [2023-11-21 22:23:37,987 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_be87bf6c-b915-491e-9d39-3dc5485acbed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2023-11-21 22:23:37,987 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_be87bf6c-b915-491e-9d39-3dc5485acbed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2023-11-21 22:23:37,988 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_be87bf6c-b915-491e-9d39-3dc5485acbed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2023-11-21 22:23:37,989 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_be87bf6c-b915-491e-9d39-3dc5485acbed/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2023-11-21 22:23:37,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:38,257 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:23:38,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38 WrapperNode [2023-11-21 22:23:38,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:38,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:38,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:23:38,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:23:38,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,655 INFO L138 Inliner]: procedures = 357, calls = 1584, calls flagged for inlining = 198, calls inlined = 187, statements flattened = 4774 [2023-11-21 22:23:38,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:38,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:23:38,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:23:38,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:23:38,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:38,717 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:39,978 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:23:39,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:39,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:40,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:40,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:40,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:40,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:40,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:23:40,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:23:40,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:23:40,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:23:40,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (1/1) ... [2023-11-21 22:23:40,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:40,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:40,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:40,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be87bf6c-b915-491e-9d39-3dc5485acbed/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:23:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2023-11-21 22:23:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2023-11-21 22:23:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-21 22:23:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-21 22:23:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:23:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:23:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:23:40,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:23:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 22:23:40,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 22:23:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2023-11-21 22:23:40,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2023-11-21 22:23:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:23:40,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:23:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:23:40,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:23:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:23:40,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:23:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2023-11-21 22:23:40,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2023-11-21 22:23:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 22:23:40,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 22:23:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 22:23:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 22:23:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2023-11-21 22:23:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2023-11-21 22:23:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 22:23:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 22:23:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:23:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:23:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-21 22:23:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-21 22:23:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2023-11-21 22:23:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2023-11-21 22:23:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-21 22:23:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-21 22:23:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-21 22:23:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-21 22:23:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:23:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:23:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 22:23:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 22:23:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 22:23:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 22:23:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2023-11-21 22:23:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2023-11-21 22:23:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2023-11-21 22:23:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2023-11-21 22:23:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-11-21 22:23:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-11-21 22:23:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:23:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 22:23:40,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 22:23:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2023-11-21 22:23:40,352 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2023-11-21 22:23:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:23:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:23:40,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:23:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-21 22:23:40,353 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-21 22:23:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-21 22:23:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-21 22:23:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:23:40,355 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:23:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:23:40,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:23:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-21 22:23:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-21 22:23:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2023-11-21 22:23:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2023-11-21 22:23:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 22:23:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 22:23:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2023-11-21 22:23:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2023-11-21 22:23:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:23:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:23:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:23:40,358 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:23:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:23:40,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:23:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2023-11-21 22:23:40,358 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2023-11-21 22:23:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:23:40,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:23:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2023-11-21 22:23:40,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2023-11-21 22:23:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:23:40,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:23:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-21 22:23:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-21 22:23:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:23:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:23:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-21 22:23:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-21 22:23:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:23:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-21 22:23:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-21 22:23:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:23:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:23:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2023-11-21 22:23:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2023-11-21 22:23:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2023-11-21 22:23:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2023-11-21 22:23:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2023-11-21 22:23:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2023-11-21 22:23:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:23:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:23:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:23:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-21 22:23:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-21 22:23:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:23:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-21 22:23:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-21 22:23:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-21 22:23:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-21 22:23:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:23:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:23:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:23:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:23:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:23:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:23:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 22:23:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 22:23:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:23:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:23:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:23:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:23:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:23:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:23:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-21 22:23:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-21 22:23:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-21 22:23:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-21 22:23:40,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 22:23:40,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 22:23:40,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:23:40,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 22:23:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 22:23:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-21 22:23:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-21 22:23:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:23:40,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:23:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2023-11-21 22:23:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2023-11-21 22:23:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2023-11-21 22:23:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2023-11-21 22:23:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2023-11-21 22:23:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2023-11-21 22:23:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2023-11-21 22:23:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2023-11-21 22:23:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:23:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2023-11-21 22:23:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2023-11-21 22:23:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 22:23:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 22:23:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:23:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:23:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2023-11-21 22:23:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2023-11-21 22:23:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:23:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:23:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:23:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:23:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:23:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:23:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2023-11-21 22:23:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2023-11-21 22:23:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-21 22:23:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-21 22:23:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:23:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:23:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2023-11-21 22:23:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2023-11-21 22:23:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:23:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:23:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-21 22:23:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-21 22:23:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:23:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:23:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2023-11-21 22:23:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2023-11-21 22:23:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-21 22:23:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-21 22:23:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:23:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:23:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 22:23:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 22:23:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:23:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:23:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2023-11-21 22:23:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2023-11-21 22:23:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2023-11-21 22:23:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2023-11-21 22:23:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-21 22:23:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-21 22:23:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-21 22:23:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-21 22:23:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 22:23:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 22:23:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-21 22:23:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:23:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2023-11-21 22:23:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2023-11-21 22:23:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:23:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:23:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2023-11-21 22:23:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2023-11-21 22:23:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-21 22:23:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-21 22:23:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:23:40,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:23:41,134 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:23:41,138 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:23:42,134 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:23:46,308 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:23:46,413 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:23:50,221 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:23:50,221 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:23:50,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:50 BoogieIcfgContainer [2023-11-21 22:23:50,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:23:50,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:23:50,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:23:50,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:23:50,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:23:34" (1/3) ... [2023-11-21 22:23:50,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf5bd11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:50, skipping insertion in model container [2023-11-21 22:23:50,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:38" (2/3) ... [2023-11-21 22:23:50,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf5bd11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:50, skipping insertion in model container [2023-11-21 22:23:50,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:50" (3/3) ... [2023-11-21 22:23:50,235 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2023-11-21 22:23:50,258 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:23:50,258 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-21 22:23:50,349 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:23:50,356 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;@2850b238, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:23:50,356 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-21 22:23:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 1337 states, 781 states have (on average 1.2714468629961588) internal successors, (993), 811 states have internal predecessors, (993), 459 states have call successors, (459), 97 states have call predecessors, (459), 96 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) [2023-11-21 22:23:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 22:23:50,392 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:23:50,392 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] [2023-11-21 22:23:50,393 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 22:23:50,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:50,400 INFO L85 PathProgramCache]: Analyzing trace with hash -41798670, now seen corresponding path program 1 times [2023-11-21 22:23:50,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:50,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585018077] [2023-11-21 22:23:50,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:50,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:23:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:23:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:23:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:23:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:23:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:23:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:23:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:23:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-21 22:23:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 22:23:51,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:51,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585018077] [2023-11-21 22:23:51,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585018077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:51,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:51,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:23:51,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597305229] [2023-11-21 22:23:51,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:51,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:23:51,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:51,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:23:51,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:23:51,393 INFO L87 Difference]: Start difference. First operand has 1337 states, 781 states have (on average 1.2714468629961588) internal successors, (993), 811 states have internal predecessors, (993), 459 states have call successors, (459), 97 states have call predecessors, (459), 96 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-21 22:24:01,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:24:01,647 INFO L93 Difference]: Finished difference Result 4023 states and 5831 transitions. [2023-11-21 22:24:01,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:24:01,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 3 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 [2023-11-21 22:24:01,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:24:01,710 INFO L225 Difference]: With dead ends: 4023 [2023-11-21 22:24:01,711 INFO L226 Difference]: Without dead ends: 2693 [2023-11-21 22:24:01,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:24:01,736 INFO L413 NwaCegarLoop]: 1094 mSDtfsCounter, 2251 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 1305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2660 SdHoareTripleChecker+Valid, 2386 SdHoareTripleChecker+Invalid, 3610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1305 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-21 22:24:01,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2660 Valid, 2386 Invalid, 3610 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1305 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2023-11-21 22:24:01,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2023-11-21 22:24:02,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2565. [2023-11-21 22:24:02,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 1504 states have (on average 1.2639627659574468) internal successors, (1901), 1561 states have internal predecessors, (1901), 870 states have call successors, (870), 189 states have call predecessors, (870), 188 states have return successors, (866), 860 states have call predecessors, (866), 866 states have call successors, (866) [2023-11-21 22:24:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3637 transitions. [2023-11-21 22:24:02,194 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3637 transitions. Word has length 101 [2023-11-21 22:24:02,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:24:02,196 INFO L495 AbstractCegarLoop]: Abstraction has 2565 states and 3637 transitions. [2023-11-21 22:24:02,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-21 22:24:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3637 transitions. [2023-11-21 22:24:02,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 22:24:02,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:24:02,208 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] [2023-11-21 22:24:02,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:24:02,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 22:24:02,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:02,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1990465507, now seen corresponding path program 1 times [2023-11-21 22:24:02,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:02,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361507955] [2023-11-21 22:24:02,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:02,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:24:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:24:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:24:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:24:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:24:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:24:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:24:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:24:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:24:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 22:24:02,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:02,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361507955] [2023-11-21 22:24:02,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361507955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:02,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:02,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:24:02,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130865295] [2023-11-21 22:24:02,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:02,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:24:02,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:02,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:24:02,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:24:02,727 INFO L87 Difference]: Start difference. First operand 2565 states and 3637 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-21 22:24:11,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:24:11,528 INFO L93 Difference]: Finished difference Result 7719 states and 10981 transitions. [2023-11-21 22:24:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:24:11,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 3 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 [2023-11-21 22:24:11,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:24:11,579 INFO L225 Difference]: With dead ends: 7719 [2023-11-21 22:24:11,579 INFO L226 Difference]: Without dead ends: 5171 [2023-11-21 22:24:11,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:24:11,593 INFO L413 NwaCegarLoop]: 1089 mSDtfsCounter, 2127 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 1297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 2373 SdHoareTripleChecker+Invalid, 3587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1297 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:24:11,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 2373 Invalid, 3587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1297 Valid, 2290 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-11-21 22:24:11,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5171 states. [2023-11-21 22:24:11,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5171 to 4902. [2023-11-21 22:24:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4902 states, 2867 states have (on average 1.2556679455877224) internal successors, (3600), 2977 states have internal predecessors, (3600), 1661 states have call successors, (1661), 374 states have call predecessors, (1661), 371 states have return successors, (1659), 1636 states have call predecessors, (1659), 1657 states have call successors, (1659) [2023-11-21 22:24:11,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4902 states to 4902 states and 6920 transitions. [2023-11-21 22:24:11,975 INFO L78 Accepts]: Start accepts. Automaton has 4902 states and 6920 transitions. Word has length 101 [2023-11-21 22:24:11,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:24:11,975 INFO L495 AbstractCegarLoop]: Abstraction has 4902 states and 6920 transitions. [2023-11-21 22:24:11,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-21 22:24:11,979 INFO L276 IsEmpty]: Start isEmpty. Operand 4902 states and 6920 transitions. [2023-11-21 22:24:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-21 22:24:11,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:24:11,985 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, 1, 1] [2023-11-21 22:24:11,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:24:11,985 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 22:24:11,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:24:11,986 INFO L85 PathProgramCache]: Analyzing trace with hash 2118335335, now seen corresponding path program 1 times [2023-11-21 22:24:11,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:24:11,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323697216] [2023-11-21 22:24:11,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:24:11,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:24:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:24:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:24:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:24:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:24:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:24:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:24:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:24:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:24:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:24:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-21 22:24:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:24:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 22:24:12,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:24:12,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323697216] [2023-11-21 22:24:12,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323697216] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:24:12,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:24:12,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:24:12,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442030617] [2023-11-21 22:24:12,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:24:12,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:24:12,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:24:12,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:24:12,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:24:12,496 INFO L87 Difference]: Start difference. First operand 4902 states and 6920 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)