./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_437b624d-69d5-4dcf-9218-3fe45ea835a4/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/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_437b624d-69d5-4dcf-9218-3fe45ea835a4/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/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_437b624d-69d5-4dcf-9218-3fe45ea835a4/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 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:21:32,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:21:32,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:21:32,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:21:32,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:21:32,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:21:32,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:21:32,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:21:32,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:21:32,234 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:21:32,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:21:32,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:21:32,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:21:32,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:21:32,244 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:21:32,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:21:32,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:21:32,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:21:32,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:21:32,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:21:32,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:21:32,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:21:32,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:21:32,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:21:32,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:21:32,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:21:32,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:21:32,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:21:32,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:21:32,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:21:32,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:21:32,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:21:32,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:21:32,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:21:32,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:21:32,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:21:32,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:21:32,255 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:21:32,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:21:32,256 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_437b624d-69d5-4dcf-9218-3fe45ea835a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2023-11-21 22:21:32,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:21:32,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:21:32,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:21:32,631 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:21:32,631 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:21:32,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-21 22:21:35,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:21:36,556 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:21:36,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-21 22:21:36,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/bin/uautomizer-verify-bycVGegfSx/data/a3f51f505/c3c1abdc663b45a58f86ee35d9614f09/FLAG6a4701db3 [2023-11-21 22:21:36,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/bin/uautomizer-verify-bycVGegfSx/data/a3f51f505/c3c1abdc663b45a58f86ee35d9614f09 [2023-11-21 22:21:36,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:21:36,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:21:36,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:36,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:21:36,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:21:36,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:36" (1/1) ... [2023-11-21 22:21:36,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd68ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:36, skipping insertion in model container [2023-11-21 22:21:36,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:36" (1/1) ... [2023-11-21 22:21:36,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:21:39,782 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_437b624d-69d5-4dcf-9218-3fe45ea835a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2023-11-21 22:21:39,785 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_437b624d-69d5-4dcf-9218-3fe45ea835a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2023-11-21 22:21:39,785 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_437b624d-69d5-4dcf-9218-3fe45ea835a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2023-11-21 22:21:39,786 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_437b624d-69d5-4dcf-9218-3fe45ea835a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2023-11-21 22:21:39,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:39,849 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:21:40,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5245] [2023-11-21 22:21:40,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5252] [2023-11-21 22:21:40,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5259] [2023-11-21 22:21:40,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5309-5310] [2023-11-21 22:21:40,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5315-5317] [2023-11-21 22:21:40,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5476-5477] [2023-11-21 22:21:40,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5510-5511] [2023-11-21 22:21:40,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7257] [2023-11-21 22:21:40,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7580] [2023-11-21 22:21:40,300 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_437b624d-69d5-4dcf-9218-3fe45ea835a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2023-11-21 22:21:40,301 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_437b624d-69d5-4dcf-9218-3fe45ea835a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2023-11-21 22:21:40,302 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_437b624d-69d5-4dcf-9218-3fe45ea835a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2023-11-21 22:21:40,302 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_437b624d-69d5-4dcf-9218-3fe45ea835a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2023-11-21 22:21:40,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:40,581 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:21:40,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40 WrapperNode [2023-11-21 22:21:40,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:40,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:40,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:21:40,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:21:40,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:40,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:40,911 INFO L138 Inliner]: procedures = 422, calls = 2027, calls flagged for inlining = 203, calls inlined = 186, statements flattened = 6154 [2023-11-21 22:21:40,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:40,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:21:40,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:21:40,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:21:40,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:40,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:40,963 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:42,223 INFO L187 HeapSplitter]: Split 1032 memory accesses to 25 slices as follows [3, 2, 4, 5, 2, 4, 4, 3, 5, 5, 4, 3, 5, 5, 5, 1, 836, 8, 5, 1, 2, 2, 55, 13, 50] [2023-11-21 22:21:42,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:42,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:42,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:42,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:42,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:42,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:42,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:21:42,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:21:42,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:21:42,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:21:42,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (1/1) ... [2023-11-21 22:21:42,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:21:42,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:21:42,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:21:42,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_437b624d-69d5-4dcf-9218-3fe45ea835a4/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:21:42,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 22:21:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 22:21:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:21:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:21:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-21 22:21:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-21 22:21:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2023-11-21 22:21:42,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2023-11-21 22:21:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:21:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:21:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:21:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:21:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2023-11-21 22:21:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2023-11-21 22:21:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:21:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:21:42,676 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-21 22:21:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-21 22:21:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dmfe_board_info [2023-11-21 22:21:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dmfe_board_info [2023-11-21 22:21:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:21:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:21:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-21 22:21:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-21 22:21:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-21 22:21:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-21 22:21:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-21 22:21:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-21 22:21:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-21 22:21:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-21 22:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 22:21:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 22:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2023-11-21 22:21:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2023-11-21 22:21:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-11-21 22:21:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-11-21 22:21:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 22:21:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 22:21:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:21:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:21:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 22:21:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 22:21:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-21 22:21:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-21 22:21:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:21:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:21:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:21:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:21:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-21 22:21:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-21 22:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2023-11-21 22:21:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2023-11-21 22:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:21:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-21 22:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-21 22:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-21 22:21:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-21 22:21:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-21 22:21:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-21 22:21:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-21 22:21:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-21 22:21:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-21 22:21:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-21 22:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-21 22:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-21 22:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-21 22:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-21 22:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-21 22:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-21 22:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-21 22:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-21 22:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-21 22:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-21 22:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-21 22:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-21 22:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-21 22:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-21 22:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-21 22:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-21 22:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-21 22:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-21 22:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-21 22:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-21 22:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-21 22:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-21 22:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-21 22:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-21 22:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-21 22:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-21 22:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-21 22:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-21 22:21:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-21 22:21:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-21 22:21:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-21 22:21:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-21 22:21:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-21 22:21:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-21 22:21:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-21 22:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-21 22:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-21 22:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-21 22:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-21 22:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-21 22:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-21 22:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-21 22:21:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:21:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2023-11-21 22:21:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2023-11-21 22:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2023-11-21 22:21:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2023-11-21 22:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:21:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 22:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 22:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 22:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 22:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 22:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-21 22:21:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-21 22:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-21 22:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-21 22:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-21 22:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-21 22:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-21 22:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-21 22:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-21 22:21:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-21 22:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-21 22:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-21 22:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-21 22:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-21 22:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-21 22:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-21 22:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-21 22:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2023-11-21 22:21:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2023-11-21 22:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:21:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 22:21:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 22:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:21:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:21:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:21:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:21:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2023-11-21 22:21:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2023-11-21 22:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 22:21:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 22:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2023-11-21 22:21:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2023-11-21 22:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:21:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:21:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2023-11-21 22:21:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2023-11-21 22:21:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:21:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 22:21:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 22:21:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:21:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:21:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:21:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2023-11-21 22:21:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2023-11-21 22:21:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:21:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:21:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:21:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:21:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-21 22:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-21 22:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-21 22:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-21 22:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-21 22:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-21 22:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-21 22:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-21 22:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-21 22:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-21 22:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-21 22:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-21 22:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-21 22:21:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-21 22:21:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-21 22:21:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-21 22:21:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-21 22:21:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-21 22:21:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-21 22:21:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-21 22:21:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-21 22:21:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-21 22:21:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-21 22:21:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-21 22:21:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-21 22:21:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-21 22:21:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-21 22:21:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:21:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:21:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-21 22:21:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-21 22:21:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2023-11-21 22:21:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2023-11-21 22:21:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 22:21:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 22:21:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:21:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:21:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 22:21:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 22:21:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:21:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:21:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2023-11-21 22:21:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2023-11-21 22:21:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:21:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:21:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-21 22:21:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-21 22:21:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-21 22:21:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-21 22:21:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-21 22:21:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-21 22:21:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-21 22:21:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-21 22:21:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-21 22:21:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-21 22:21:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-21 22:21:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-21 22:21:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-21 22:21:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-21 22:21:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-21 22:21:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-21 22:21:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-21 22:21:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-21 22:21:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-21 22:21:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-21 22:21:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-21 22:21:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-21 22:21:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-21 22:21:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-21 22:21:42,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-21 22:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-21 22:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-21 22:21:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-21 22:21:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:21:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:21:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:21:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:21:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 22:21:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 22:21:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2023-11-21 22:21:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2023-11-21 22:21:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 22:21:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 22:21:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 22:21:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 22:21:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-21 22:21:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-21 22:21:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:21:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:21:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-21 22:21:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-21 22:21:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2023-11-21 22:21:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2023-11-21 22:21:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 22:21:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 22:21:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:21:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-21 22:21:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-21 22:21:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-21 22:21:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-21 22:21:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-21 22:21:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-21 22:21:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-21 22:21:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-21 22:21:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-21 22:21:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-21 22:21:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-21 22:21:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-21 22:21:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-21 22:21:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-21 22:21:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-21 22:21:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-21 22:21:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-21 22:21:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-21 22:21:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-21 22:21:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-21 22:21:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-21 22:21:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-21 22:21:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-21 22:21:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-21 22:21:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-21 22:21:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-21 22:21:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-21 22:21:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-21 22:21:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-21 22:21:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-21 22:21:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-21 22:21:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-21 22:21:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:21:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:21:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2023-11-21 22:21:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2023-11-21 22:21:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:21:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:21:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:21:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:21:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-21 22:21:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-21 22:21:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:21:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:21:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2023-11-21 22:21:42,771 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2023-11-21 22:21:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:21:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:21:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:21:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 22:21:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 22:21:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 22:21:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 22:21:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 22:21:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-21 22:21:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-21 22:21:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-21 22:21:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-21 22:21:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-21 22:21:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-21 22:21:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-21 22:21:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-21 22:21:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-21 22:21:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-21 22:21:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-21 22:21:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-21 22:21:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-21 22:21:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-21 22:21:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-21 22:21:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-21 22:21:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-21 22:21:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:21:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:21:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2023-11-21 22:21:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2023-11-21 22:21:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2023-11-21 22:21:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2023-11-21 22:21:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-21 22:21:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-21 22:21:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:21:42,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:21:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-21 22:21:42,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-21 22:21:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-21 22:21:42,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-21 22:21:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:21:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:21:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:21:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:21:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 22:21:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 22:21:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 22:21:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 22:21:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-21 22:21:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-21 22:21:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-21 22:21:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-21 22:21:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-21 22:21:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-21 22:21:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:21:42,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:21:43,750 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:21:43,755 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:21:43,799 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:21:48,300 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:21:48,400 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:21:53,579 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:21:53,579 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:21:53,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:53 BoogieIcfgContainer [2023-11-21 22:21:53,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:21:53,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:21:53,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:21:53,589 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:21:53,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:21:36" (1/3) ... [2023-11-21 22:21:53,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2ab9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:53, skipping insertion in model container [2023-11-21 22:21:53,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:40" (2/3) ... [2023-11-21 22:21:53,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2ab9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:53, skipping insertion in model container [2023-11-21 22:21:53,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:53" (3/3) ... [2023-11-21 22:21:53,594 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-21 22:21:53,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:21:53,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-21 22:21:53,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:21:53,739 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;@1d1a5032, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:21:53,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-21 22:21:53,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 1320 states, 774 states have (on average 1.301033591731266) internal successors, (1007), 797 states have internal predecessors, (1007), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) [2023-11-21 22:21:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 22:21:53,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:21:53,788 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 22:21:53,788 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)] === [2023-11-21 22:21:53,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:21:53,794 INFO L85 PathProgramCache]: Analyzing trace with hash 670344235, now seen corresponding path program 1 times [2023-11-21 22:21:53,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:21:53,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466760272] [2023-11-21 22:21:53,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:21:53,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:21:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:21:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:21:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:21:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:21:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:21:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:21:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:21:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:21:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-21 22:21:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:54,747 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 22:21:54,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:21:54,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466760272] [2023-11-21 22:21:54,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466760272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:21:54,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:21:54,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:21:54,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423435336] [2023-11-21 22:21:54,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:21:54,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:21:54,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:21:54,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:21:54,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:21:54,804 INFO L87 Difference]: Start difference. First operand has 1320 states, 774 states have (on average 1.301033591731266) internal successors, (1007), 797 states have internal predecessors, (1007), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) Second operand has 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 22:22:04,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:04,984 INFO L93 Difference]: Finished difference Result 4082 states and 6051 transitions. [2023-11-21 22:22:05,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:22:05,004 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 22:22:05,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:22:05,073 INFO L225 Difference]: With dead ends: 4082 [2023-11-21 22:22:05,073 INFO L226 Difference]: Without dead ends: 2769 [2023-11-21 22:22:05,093 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 22:22:05,097 INFO L413 NwaCegarLoop]: 1165 mSDtfsCounter, 2447 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 2214 mSolverCounterSat, 1411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2880 SdHoareTripleChecker+Valid, 2515 SdHoareTripleChecker+Invalid, 3625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1411 IncrementalHoareTripleChecker+Valid, 2214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-11-21 22:22:05,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2880 Valid, 2515 Invalid, 3625 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1411 Valid, 2214 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2023-11-21 22:22:05,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2023-11-21 22:22:05,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 2517. [2023-11-21 22:22:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 1488 states have (on average 1.293010752688172) internal successors, (1924), 1533 states have internal predecessors, (1924), 864 states have call successors, (864), 163 states have call predecessors, (864), 162 states have return successors, (860), 842 states have call predecessors, (860), 860 states have call successors, (860) [2023-11-21 22:22:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3648 transitions. [2023-11-21 22:22:05,457 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3648 transitions. Word has length 101 [2023-11-21 22:22:05,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:22:05,459 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3648 transitions. [2023-11-21 22:22:05,460 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 22:22:05,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3648 transitions. [2023-11-21 22:22:05,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-21 22:22:05,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:05,470 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:05,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:22:05,471 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)] === [2023-11-21 22:22:05,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:05,472 INFO L85 PathProgramCache]: Analyzing trace with hash -138175595, now seen corresponding path program 1 times [2023-11-21 22:22:05,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:05,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468043294] [2023-11-21 22:22:05,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:05,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:05,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:22:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:05,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:22:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:22:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:22:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:22:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:22:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:22:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:22:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-21 22:22:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-21 22:22:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:06,156 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 22:22:06,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:06,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468043294] [2023-11-21 22:22:06,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468043294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:06,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:06,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:22:06,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793609900] [2023-11-21 22:22:06,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:06,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:22:06,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:06,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:22:06,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:22:06,161 INFO L87 Difference]: Start difference. First operand 2517 states and 3648 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-11-21 22:22:08,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:22:15,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:15,864 INFO L93 Difference]: Finished difference Result 7945 states and 11602 transitions. [2023-11-21 22:22:15,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:22:15,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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 107 [2023-11-21 22:22:15,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:22:15,914 INFO L225 Difference]: With dead ends: 7945 [2023-11-21 22:22:15,914 INFO L226 Difference]: Without dead ends: 5445 [2023-11-21 22:22:15,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 22:22:15,931 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 2453 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 2163 mSolverCounterSat, 1470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2877 SdHoareTripleChecker+Valid, 2544 SdHoareTripleChecker+Invalid, 3633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1470 IncrementalHoareTripleChecker+Valid, 2163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:22:15,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2877 Valid, 2544 Invalid, 3633 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1470 Valid, 2163 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-11-21 22:22:15,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5445 states. [2023-11-21 22:22:16,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5445 to 5149. [2023-11-21 22:22:16,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5149 states, 3079 states have (on average 1.2971744072750893) internal successors, (3994), 3185 states have internal predecessors, (3994), 1730 states have call successors, (1730), 324 states have call predecessors, (1730), 337 states have return successors, (1776), 1687 states have call predecessors, (1776), 1726 states have call successors, (1776) [2023-11-21 22:22:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5149 states to 5149 states and 7500 transitions. [2023-11-21 22:22:16,319 INFO L78 Accepts]: Start accepts. Automaton has 5149 states and 7500 transitions. Word has length 107 [2023-11-21 22:22:16,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:22:16,320 INFO L495 AbstractCegarLoop]: Abstraction has 5149 states and 7500 transitions. [2023-11-21 22:22:16,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-11-21 22:22:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 5149 states and 7500 transitions. [2023-11-21 22:22:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-21 22:22:16,323 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:16,324 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:16,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:22:16,324 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)] === [2023-11-21 22:22:16,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:16,325 INFO L85 PathProgramCache]: Analyzing trace with hash 327241133, now seen corresponding path program 1 times [2023-11-21 22:22:16,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:16,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021254522] [2023-11-21 22:22:16,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:16,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:22:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:22:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:22:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:22:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:22:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:22:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:22:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:22:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:22:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-21 22:22:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:16,793 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 22:22:16,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:16,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021254522] [2023-11-21 22:22:16,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021254522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:16,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:16,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:22:16,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109843131] [2023-11-21 22:22:16,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:16,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:22:16,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:16,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:22:16,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:22:16,797 INFO L87 Difference]: Start difference. First operand 5149 states and 7500 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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)