./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 cf1a7837 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_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/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_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:26:31,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:26:31,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:26:31,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:26:31,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:26:31,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:26:31,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:26:31,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:26:31,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:26:31,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:26:31,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:26:31,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:26:31,936 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:26:31,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:26:31,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:26:31,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:26:31,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:26:31,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:26:31,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:26:31,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:26:31,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:26:31,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:26:31,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:26:31,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:26:31,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:26:31,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:26:31,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:26:31,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:26:31,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:26:31,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:26:31,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:26:31,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:26:31,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:26:31,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:26:31,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:26:31,948 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:26:31,949 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_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2023-11-12 02:26:32,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:26:32,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:26:32,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:26:32,311 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:26:32,312 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:26:32,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-12 02:26:35,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:26:36,117 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:26:36,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-12 02:26:36,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/data/bf19d797b/9d19a400ac8f4e1a8958e32d814b3aee/FLAG073f1c9c1 [2023-11-12 02:26:36,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/data/bf19d797b/9d19a400ac8f4e1a8958e32d814b3aee [2023-11-12 02:26:36,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:26:36,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:26:36,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:36,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:26:36,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:26:36,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d7fe1c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:36, skipping insertion in model container [2023-11-12 02:26:36,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:36" (1/1) ... [2023-11-12 02:26:36,415 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:26:39,234 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_ea25de4b-920f-47fe-b280-33081455c8c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2023-11-12 02:26:39,239 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_ea25de4b-920f-47fe-b280-33081455c8c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2023-11-12 02:26:39,240 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_ea25de4b-920f-47fe-b280-33081455c8c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2023-11-12 02:26:39,240 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_ea25de4b-920f-47fe-b280-33081455c8c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2023-11-12 02:26:39,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:39,356 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:26:39,491 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] [2023-11-12 02:26:39,500 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] [2023-11-12 02:26:39,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5259] [2023-11-12 02:26:39,503 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] [2023-11-12 02:26:39,504 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] [2023-11-12 02:26:39,517 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] [2023-11-12 02:26:39,520 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] [2023-11-12 02:26:39,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7257] [2023-11-12 02:26:39,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7580] [2023-11-12 02:26:39,825 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_ea25de4b-920f-47fe-b280-33081455c8c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2023-11-12 02:26:39,826 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_ea25de4b-920f-47fe-b280-33081455c8c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2023-11-12 02:26:39,826 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_ea25de4b-920f-47fe-b280-33081455c8c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2023-11-12 02:26:39,827 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_ea25de4b-920f-47fe-b280-33081455c8c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2023-11-12 02:26:39,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:40,080 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:26:40,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40 WrapperNode [2023-11-12 02:26:40,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:40,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:40,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:26:40,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:26:40,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,505 INFO L138 Inliner]: procedures = 422, calls = 2027, calls flagged for inlining = 203, calls inlined = 186, statements flattened = 6154 [2023-11-12 02:26:40,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:40,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:26:40,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:26:40,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:26:40,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:26:40,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:26:40,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:26:40,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:26:40,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:26:40,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:26:40,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:26:40,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea25de4b-920f-47fe-b280-33081455c8c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:26:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:26:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:26:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:26:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:26:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 02:26:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 02:26:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2023-11-12 02:26:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2023-11-12 02:26:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:26:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:26:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:26:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:26:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2023-11-12 02:26:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2023-11-12 02:26:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:26:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:26:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 02:26:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 02:26:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dmfe_board_info [2023-11-12 02:26:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dmfe_board_info [2023-11-12 02:26:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:26:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:26:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-12 02:26:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-12 02:26:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 02:26:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 02:26:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-12 02:26:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-12 02:26:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 02:26:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 02:26:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 02:26:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 02:26:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2023-11-12 02:26:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2023-11-12 02:26:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-11-12 02:26:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-11-12 02:26:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 02:26:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 02:26:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:26:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:26:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 02:26:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 02:26:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 02:26:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 02:26:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:26:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:26:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:26:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:26:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-12 02:26:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-12 02:26:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:26:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2023-11-12 02:26:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2023-11-12 02:26:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:26:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:26:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:26:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:26:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:26:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-12 02:26:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-12 02:26:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:26:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:26:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:26:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2023-11-12 02:26:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2023-11-12 02:26:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2023-11-12 02:26:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2023-11-12 02:26:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:26:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2023-11-12 02:26:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2023-11-12 02:26:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:26:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:26:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 02:26:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 02:26:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:26:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:26:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 02:26:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 02:26:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2023-11-12 02:26:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2023-11-12 02:26:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 02:26:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 02:26:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2023-11-12 02:26:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2023-11-12 02:26:41,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:26:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:26:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2023-11-12 02:26:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2023-11-12 02:26:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:26:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 02:26:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 02:26:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 02:26:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 02:26:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:26:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2023-11-12 02:26:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2023-11-12 02:26:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:26:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:26:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:26:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:26:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:26:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-12 02:26:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-12 02:26:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:26:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:26:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-12 02:26:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-12 02:26:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2023-11-12 02:26:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2023-11-12 02:26:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 02:26:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 02:26:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:26:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:26:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 02:26:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 02:26:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 02:26:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 02:26:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2023-11-12 02:26:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2023-11-12 02:26:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:26:41,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:26:41,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:26:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:26:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:26:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:26:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:26:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:26:41,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 02:26:41,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 02:26:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2023-11-12 02:26:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2023-11-12 02:26:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 02:26:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 02:26:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 02:26:41,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 02:26:41,016 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-12 02:26:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-12 02:26:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:26:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:26:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 02:26:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 02:26:41,017 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2023-11-12 02:26:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2023-11-12 02:26:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 02:26:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 02:26:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:26:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:26:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 02:26:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 02:26:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-12 02:26:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-12 02:26:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:26:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:26:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:26:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2023-11-12 02:26:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2023-11-12 02:26:41,019 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:26:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:26:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:26:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:26:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-12 02:26:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-12 02:26:41,020 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:26:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:26:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2023-11-12 02:26:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2023-11-12 02:26:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:26:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:26:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:26:41,021 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2023-11-12 02:26:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2023-11-12 02:26:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2023-11-12 02:26:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2023-11-12 02:26:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-12 02:26:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-12 02:26:41,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:26:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:26:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 02:26:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 02:26:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 02:26:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 02:26:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:26:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:26:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:26:41,847 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:26:41,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:26:42,343 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:26:47,398 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:26:47,518 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:26:47,545 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:26:47,545 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:26:47,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:47 BoogieIcfgContainer [2023-11-12 02:26:47,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:26:47,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:26:47,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:26:47,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:26:47,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:26:36" (1/3) ... [2023-11-12 02:26:47,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67472c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:26:47, skipping insertion in model container [2023-11-12 02:26:47,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (2/3) ... [2023-11-12 02:26:47,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67472c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:26:47, skipping insertion in model container [2023-11-12 02:26:47,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:47" (3/3) ... [2023-11-12 02:26:47,562 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-12 02:26:47,584 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:26:47,584 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 02:26:47,691 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:26:47,698 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;@586179ff, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:26:47,699 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 02:26:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 2108 states, 1562 states have (on average 1.3950064020486557) internal successors, (2179), 1585 states have internal predecessors, (2179), 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) [2023-11-12 02:26:47,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-12 02:26:47,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:26:47,745 INFO L195 NwaCegarLoop]: trace histogram [9, 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] [2023-11-12 02:26:47,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 02:26:47,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:47,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1153100078, now seen corresponding path program 1 times [2023-11-12 02:26:47,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:47,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574186669] [2023-11-12 02:26:47,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:47,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:26:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:26:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:26:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:26:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:26:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:26:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:26:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:26:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:26:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:26:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:26:48,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:48,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574186669] [2023-11-12 02:26:48,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574186669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:48,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:48,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:26:48,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548381499] [2023-11-12 02:26:48,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:48,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:26:48,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:49,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:26:49,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:26:49,027 INFO L87 Difference]: Start difference. First operand has 2108 states, 1562 states have (on average 1.3950064020486557) internal successors, (2179), 1585 states have internal predecessors, (2179), 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 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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) [2023-11-12 02:26:55,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:26:55,992 INFO L93 Difference]: Finished difference Result 6553 states and 9933 transitions. [2023-11-12 02:26:55,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:26:55,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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 116 [2023-11-12 02:26:55,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:26:56,045 INFO L225 Difference]: With dead ends: 6553 [2023-11-12 02:26:56,045 INFO L226 Difference]: Without dead ends: 4456 [2023-11-12 02:26:56,069 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 [2023-11-12 02:26:56,072 INFO L413 NwaCegarLoop]: 2268 mSDtfsCounter, 5002 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 1418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5435 SdHoareTripleChecker+Valid, 5392 SdHoareTripleChecker+Invalid, 3558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1418 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:26:56,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5435 Valid, 5392 Invalid, 3558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1418 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-11-12 02:26:56,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2023-11-12 02:26:56,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 4062. [2023-11-12 02:26:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4062 states, 3033 states have (on average 1.3643257500824266) internal successors, (4138), 3078 states have internal predecessors, (4138), 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) [2023-11-12 02:26:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4062 states to 4062 states and 5862 transitions. [2023-11-12 02:26:56,517 INFO L78 Accepts]: Start accepts. Automaton has 4062 states and 5862 transitions. Word has length 116 [2023-11-12 02:26:56,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:26:56,519 INFO L495 AbstractCegarLoop]: Abstraction has 4062 states and 5862 transitions. [2023-11-12 02:26:56,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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) [2023-11-12 02:26:56,519 INFO L276 IsEmpty]: Start isEmpty. Operand 4062 states and 5862 transitions. [2023-11-12 02:26:56,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-12 02:26:56,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:26:56,530 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:26:56,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:26:56,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 02:26:56,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:56,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1014182603, now seen corresponding path program 1 times [2023-11-12 02:26:56,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:56,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930095068] [2023-11-12 02:26:56,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:56,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:56,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:26:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:56,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:56,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:26:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:56,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:26:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:26:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:56,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:26:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:26:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:26:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:26:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:26:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:26:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-12 02:26:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:26:57,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:57,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930095068] [2023-11-12 02:26:57,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930095068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:57,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:57,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:26:57,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030465910] [2023-11-12 02:26:57,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:57,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:26:57,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:57,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:26:57,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:26:57,102 INFO L87 Difference]: Start difference. First operand 4062 states and 5862 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 02:27:03,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:27:03,371 INFO L93 Difference]: Finished difference Result 12822 states and 18662 transitions. [2023-11-12 02:27:03,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:27:03,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 122 [2023-11-12 02:27:03,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:27:03,443 INFO L225 Difference]: With dead ends: 12822 [2023-11-12 02:27:03,444 INFO L226 Difference]: Without dead ends: 8781 [2023-11-12 02:27:03,464 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 [2023-11-12 02:27:03,465 INFO L413 NwaCegarLoop]: 2255 mSDtfsCounter, 5014 mSDsluCounter, 3183 mSDsCounter, 0 mSdLazyCounter, 2077 mSolverCounterSat, 1481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5439 SdHoareTripleChecker+Valid, 5438 SdHoareTripleChecker+Invalid, 3558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1481 IncrementalHoareTripleChecker+Valid, 2077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:27:03,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5439 Valid, 5438 Invalid, 3558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1481 Valid, 2077 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-12 02:27:03,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8781 states. [2023-11-12 02:27:03,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8781 to 8335. [2023-11-12 02:27:03,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8335 states, 6265 states have (on average 1.372705506783719) internal successors, (8600), 6371 states have internal predecessors, (8600), 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) [2023-11-12 02:27:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8335 states to 8335 states and 12106 transitions. [2023-11-12 02:27:03,978 INFO L78 Accepts]: Start accepts. Automaton has 8335 states and 12106 transitions. Word has length 122 [2023-11-12 02:27:03,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:27:03,980 INFO L495 AbstractCegarLoop]: Abstraction has 8335 states and 12106 transitions. [2023-11-12 02:27:03,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 02:27:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 8335 states and 12106 transitions. [2023-11-12 02:27:03,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-12 02:27:03,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:27:03,986 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:03,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:27:03,987 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 02:27:03,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:03,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1482675662, now seen corresponding path program 1 times [2023-11-12 02:27:03,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:03,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453368607] [2023-11-12 02:27:03,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:03,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:27:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:27:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:27:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:27:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:27:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:27:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:27:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:27:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:27:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-12 02:27:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-12 02:27:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:27:04,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:04,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453368607] [2023-11-12 02:27:04,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453368607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:04,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:04,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:27:04,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642117224] [2023-11-12 02:27:04,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:04,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:27:04,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:04,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:27:04,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:27:04,625 INFO L87 Difference]: Start difference. First operand 8335 states and 12106 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 02:27:10,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:27:10,852 INFO L93 Difference]: Finished difference Result 24511 states and 35634 transitions. [2023-11-12 02:27:10,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:27:10,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2023-11-12 02:27:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:27:11,017 INFO L225 Difference]: With dead ends: 24511 [2023-11-12 02:27:11,018 INFO L226 Difference]: Without dead ends: 16197 [2023-11-12 02:27:11,064 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 [2023-11-12 02:27:11,067 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 4528 mSDsluCounter, 3223 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 1358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4895 SdHoareTripleChecker+Valid, 5535 SdHoareTripleChecker+Invalid, 3556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1358 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:27:11,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4895 Valid, 5535 Invalid, 3556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1358 Valid, 2198 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-12 02:27:11,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16197 states. [2023-11-12 02:27:11,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16197 to 14987. [2023-11-12 02:27:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14987 states, 11239 states have (on average 1.36400035590355) internal successors, (15330), 11433 states have internal predecessors, (15330), 3110 states have call successors, (3110), 626 states have call predecessors, (3110), 635 states have return successors, (3172), 3015 states have call predecessors, (3172), 3106 states have call successors, (3172) [2023-11-12 02:27:11,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14987 states to 14987 states and 21612 transitions. [2023-11-12 02:27:11,985 INFO L78 Accepts]: Start accepts. Automaton has 14987 states and 21612 transitions. Word has length 122 [2023-11-12 02:27:11,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:27:11,986 INFO L495 AbstractCegarLoop]: Abstraction has 14987 states and 21612 transitions. [2023-11-12 02:27:11,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 02:27:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand 14987 states and 21612 transitions. [2023-11-12 02:27:11,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-12 02:27:11,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:27:11,991 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:27:11,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:27:11,991 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 02:27:11,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:11,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1091782380, now seen corresponding path program 1 times [2023-11-12 02:27:11,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:11,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982273172] [2023-11-12 02:27:11,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:11,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:27:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:27:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:27:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:27:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:27:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:27:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:27:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:27:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:27:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:27:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:27:12,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:12,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982273172] [2023-11-12 02:27:12,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982273172] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:12,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:12,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:27:12,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874242284] [2023-11-12 02:27:12,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:12,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:27:12,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:12,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:27:12,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:27:12,383 INFO L87 Difference]: Start difference. First operand 14987 states and 21612 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)