./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu --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 67e7778ced54570c612880d3f2f5d48e6e2d3dc55afd632628e45d31cdc74c58 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:59,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:59,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:39:59,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:59,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:59,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:59,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:59,855 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:59,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:39:59,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:39:59,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:59,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:59,864 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:59,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:59,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:39:59,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:59,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:59,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:39:59,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:39:59,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:39:59,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:59,870 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:59,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:59,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:59,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:39:59,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:59,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:59,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:39:59,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:39:59,873 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:59,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:39:59,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:39:59,874 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:39:59,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:39:59,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:39:59,875 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:39:59,875 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_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e7778ced54570c612880d3f2f5d48e6e2d3dc55afd632628e45d31cdc74c58 [2023-11-19 07:40:00,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:00,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:00,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:00,250 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:00,251 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:00,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-19 07:40:03,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:03,894 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:03,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-19 07:40:03,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/data/ccab06cad/f67c38e3454c4ac5acb92341de6113cf/FLAGe78ecacf1 [2023-11-19 07:40:03,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/data/ccab06cad/f67c38e3454c4ac5acb92341de6113cf [2023-11-19 07:40:03,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:03,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:04,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:04,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:04,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:04,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:03" (1/1) ... [2023-11-19 07:40:04,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f413039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:04, skipping insertion in model container [2023-11-19 07:40:04,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:03" (1/1) ... [2023-11-19 07:40:04,191 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:07,213 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_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2023-11-19 07:40:07,219 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_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2023-11-19 07:40:07,219 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_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2023-11-19 07:40:07,220 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_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2023-11-19 07:40:07,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:07,307 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:07,450 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"); [5742] [2023-11-19 07:40:07,452 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)); [5749] [2023-11-19 07:40:07,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5756] [2023-11-19 07:40:07,454 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)); [5786-5787] [2023-11-19 07:40:07,455 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"); [5792-5794] [2023-11-19 07:40:07,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5875] [2023-11-19 07:40:07,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5883] [2023-11-19 07:40:07,776 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_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2023-11-19 07:40:07,776 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_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2023-11-19 07:40:07,777 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_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2023-11-19 07:40:07,777 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_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2023-11-19 07:40:07,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:07,997 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:40:08,006 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:08,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08 WrapperNode [2023-11-19 07:40:08,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:08,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:08,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:08,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:08,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,346 INFO L138 Inliner]: procedures = 395, calls = 2115, calls flagged for inlining = 159, calls inlined = 138, statements flattened = 4857 [2023-11-19 07:40:08,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:08,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:08,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:08,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:08,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:08,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:08,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:08,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:08,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:08,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:08,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:08,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d763e92-92f2-4a6e-a8af-6e96bb9f99d6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:40:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:40:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-11-19 07:40:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-11-19 07:40:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-19 07:40:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-19 07:40:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:40:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:40:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:40:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:40:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_73 [2023-11-19 07:40:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_73 [2023-11-19 07:40:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:40:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:40:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-11-19 07:40:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-11-19 07:40:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:40:08,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:40:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2023-11-19 07:40:08,809 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2023-11-19 07:40:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-11-19 07:40:08,809 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-11-19 07:40:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-19 07:40:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-19 07:40:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:40:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:40:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 07:40:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-11-19 07:40:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-11-19 07:40:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-11-19 07:40:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-11-19 07:40:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-19 07:40:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-19 07:40:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:40:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:40:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:40:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-11-19 07:40:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-11-19 07:40:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-11-19 07:40:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-11-19 07:40:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 07:40:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 07:40:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-11-19 07:40:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-11-19 07:40:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:40:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:40:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-11-19 07:40:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-11-19 07:40:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-11-19 07:40:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-11-19 07:40:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:40:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-11-19 07:40:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-11-19 07:40:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2023-11-19 07:40:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2023-11-19 07:40:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-11-19 07:40:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-11-19 07:40:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:40:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:40:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:40:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 07:40:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 07:40:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-11-19 07:40:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-11-19 07:40:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:40:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:40:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:40:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-11-19 07:40:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-11-19 07:40:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 07:40:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 07:40:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 07:40:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 07:40:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-19 07:40:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-19 07:40:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-11-19 07:40:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-11-19 07:40:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-11-19 07:40:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-11-19 07:40:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:40:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:40:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-11-19 07:40:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-11-19 07:40:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:40:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 07:40:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 07:40:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-11-19 07:40:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-11-19 07:40:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:40:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:40:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:40:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:40:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:40:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:40:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:40:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:40:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:40:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-11-19 07:40:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-11-19 07:40:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 07:40:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 07:40:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:40:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:40:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-11-19 07:40:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-11-19 07:40:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-11-19 07:40:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-11-19 07:40:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 07:40:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 07:40:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 07:40:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 07:40:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-11-19 07:40:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-11-19 07:40:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-11-19 07:40:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-11-19 07:40:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:40:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:40:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:40:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:40:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-11-19 07:40:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-11-19 07:40:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:40:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:40:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-19 07:40:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-19 07:40:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-11-19 07:40:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-11-19 07:40:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-11-19 07:40:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-11-19 07:40:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:40:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:40:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-11-19 07:40:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-11-19 07:40:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-11-19 07:40:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-11-19 07:40:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 07:40:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 07:40:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:40:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:40:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-11-19 07:40:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-11-19 07:40:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:40:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:40:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:40:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 07:40:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 07:40:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 07:40:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 07:40:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:40:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:40:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:40:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:40:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 07:40:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 07:40:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 07:40:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 07:40:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-11-19 07:40:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-11-19 07:40:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 07:40:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 07:40:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:40:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:40:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 07:40:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 07:40:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:40:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:40:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:40:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:40:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:40:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-19 07:40:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-19 07:40:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-11-19 07:40:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-11-19 07:40:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 07:40:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 07:40:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:40:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:40:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2023-11-19 07:40:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2023-11-19 07:40:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-11-19 07:40:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-11-19 07:40:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-11-19 07:40:08,896 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-11-19 07:40:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 07:40:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 07:40:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-11-19 07:40:08,897 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-11-19 07:40:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-11-19 07:40:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-11-19 07:40:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-11-19 07:40:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-11-19 07:40:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 07:40:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 07:40:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-19 07:40:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-19 07:40:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 07:40:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 07:40:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-11-19 07:40:08,900 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-11-19 07:40:09,562 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:09,567 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:09,833 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:40:14,783 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 07:40:15,442 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:15,476 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:15,477 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:40:15,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:15 BoogieIcfgContainer [2023-11-19 07:40:15,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:15,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:40:15,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:40:15,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:40:15,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:03" (1/3) ... [2023-11-19 07:40:15,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c8a437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:15, skipping insertion in model container [2023-11-19 07:40:15,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08" (2/3) ... [2023-11-19 07:40:15,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c8a437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:15, skipping insertion in model container [2023-11-19 07:40:15,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:15" (3/3) ... [2023-11-19 07:40:15,503 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-19 07:40:15,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:40:15,524 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 07:40:15,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:40:15,644 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;@f5fcce1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:40:15,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 07:40:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 2197 states, 1396 states have (on average 1.320916905444126) internal successors, (1844), 1421 states have internal predecessors, (1844), 706 states have call successors, (706), 93 states have call predecessors, (706), 92 states have return successors, (702), 691 states have call predecessors, (702), 702 states have call successors, (702) [2023-11-19 07:40:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 07:40:15,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:15,685 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:15,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 07:40:15,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:15,696 INFO L85 PathProgramCache]: Analyzing trace with hash -813826790, now seen corresponding path program 1 times [2023-11-19 07:40:15,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:15,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342772320] [2023-11-19 07:40:15,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:15,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:40:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:40:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:40:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:40:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:40:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:40:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:40:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 07:40:16,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342772320] [2023-11-19 07:40:16,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342772320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:16,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:16,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:40:16,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104455491] [2023-11-19 07:40:16,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:16,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:40:16,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:16,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:40:16,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:40:16,791 INFO L87 Difference]: Start difference. First operand has 2197 states, 1396 states have (on average 1.320916905444126) internal successors, (1844), 1421 states have internal predecessors, (1844), 706 states have call successors, (706), 93 states have call predecessors, (706), 92 states have return successors, (702), 691 states have call predecessors, (702), 702 states have call successors, (702) 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, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 07:40:27,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:27,801 INFO L93 Difference]: Finished difference Result 6505 states and 9799 transitions. [2023-11-19 07:40:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:40:27,804 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, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 79 [2023-11-19 07:40:27,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:27,891 INFO L225 Difference]: With dead ends: 6505 [2023-11-19 07:40:27,892 INFO L226 Difference]: Without dead ends: 4314 [2023-11-19 07:40:27,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:40:27,928 INFO L413 NwaCegarLoop]: 1560 mSDtfsCounter, 4358 mSDsluCounter, 2096 mSDsCounter, 0 mSdLazyCounter, 4035 mSolverCounterSat, 2108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5028 SdHoareTripleChecker+Valid, 3656 SdHoareTripleChecker+Invalid, 6143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2108 IncrementalHoareTripleChecker+Valid, 4035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:27,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5028 Valid, 3656 Invalid, 6143 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2108 Valid, 4035 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2023-11-19 07:40:27,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4314 states. [2023-11-19 07:40:28,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4314 to 4282. [2023-11-19 07:40:28,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4282 states, 2729 states have (on average 1.3125687064858922) internal successors, (3582), 2777 states have internal predecessors, (3582), 1369 states have call successors, (1369), 182 states have call predecessors, (1369), 181 states have return successors, (1366), 1344 states have call predecessors, (1366), 1366 states have call successors, (1366) [2023-11-19 07:40:28,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 4282 states and 6317 transitions. [2023-11-19 07:40:28,568 INFO L78 Accepts]: Start accepts. Automaton has 4282 states and 6317 transitions. Word has length 79 [2023-11-19 07:40:28,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:28,571 INFO L495 AbstractCegarLoop]: Abstraction has 4282 states and 6317 transitions. [2023-11-19 07:40:28,571 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, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 07:40:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 4282 states and 6317 transitions. [2023-11-19 07:40:28,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 07:40:28,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:28,586 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:28,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:40:28,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 07:40:28,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:28,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1790860437, now seen corresponding path program 1 times [2023-11-19 07:40:28,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:28,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427053694] [2023-11-19 07:40:28,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:28,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:28,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:40:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:40:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:29,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:29,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:40:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:40:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:40:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:40:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:40:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 07:40:29,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:29,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427053694] [2023-11-19 07:40:29,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427053694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:29,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:29,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:40:29,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983995114] [2023-11-19 07:40:29,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:29,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:40:29,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:29,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:40:29,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:40:29,110 INFO L87 Difference]: Start difference. First operand 4282 states and 6317 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, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 07:40:40,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:40,789 INFO L93 Difference]: Finished difference Result 11914 states and 17600 transitions. [2023-11-19 07:40:40,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:40:40,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 83 [2023-11-19 07:40:40,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:40,882 INFO L225 Difference]: With dead ends: 11914 [2023-11-19 07:40:40,882 INFO L226 Difference]: Without dead ends: 7647 [2023-11-19 07:40:40,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:40:40,925 INFO L413 NwaCegarLoop]: 1558 mSDtfsCounter, 3732 mSDsluCounter, 2119 mSDsCounter, 0 mSdLazyCounter, 4063 mSolverCounterSat, 1872 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4315 SdHoareTripleChecker+Valid, 3677 SdHoareTripleChecker+Invalid, 5935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1872 IncrementalHoareTripleChecker+Valid, 4063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:40,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4315 Valid, 3677 Invalid, 5935 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1872 Valid, 4063 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2023-11-19 07:40:40,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7647 states. [2023-11-19 07:40:41,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7647 to 7578. [2023-11-19 07:40:41,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7578 states, 4803 states have (on average 1.305017697272538) internal successors, (6268), 4899 states have internal predecessors, (6268), 2439 states have call successors, (2439), 334 states have call predecessors, (2439), 333 states have return successors, (2474), 2384 states have call predecessors, (2474), 2436 states have call successors, (2474) [2023-11-19 07:40:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7578 states to 7578 states and 11181 transitions. [2023-11-19 07:40:41,753 INFO L78 Accepts]: Start accepts. Automaton has 7578 states and 11181 transitions. Word has length 83 [2023-11-19 07:40:41,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:41,756 INFO L495 AbstractCegarLoop]: Abstraction has 7578 states and 11181 transitions. [2023-11-19 07:40:41,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 07:40:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 7578 states and 11181 transitions. [2023-11-19 07:40:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 07:40:41,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:41,760 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:41,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:40:41,762 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 07:40:41,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:41,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2082964387, now seen corresponding path program 1 times [2023-11-19 07:40:41,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:41,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814425276] [2023-11-19 07:40:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:41,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:40:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:40:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:40:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:40:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:40:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:40:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-19 07:40:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:42,225 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 07:40:42,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:42,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814425276] [2023-11-19 07:40:42,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814425276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:42,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:42,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:40:42,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807698343] [2023-11-19 07:40:42,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:42,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:40:42,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:42,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:40:42,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:40:42,230 INFO L87 Difference]: Start difference. First operand 7578 states and 11181 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)