./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:32,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:32,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:32:32,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:32,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:32,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:32,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:32,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:32,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:32,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:32,285 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:32,285 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:32,286 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:32,288 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:32,288 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:32,289 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:32,289 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:32,289 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:32,290 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:32,290 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:32,291 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:32,292 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:32,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:32,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:32,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:32,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:32,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:32,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:32,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:32,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:32,298 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:32,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:32,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:32,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:32,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:32,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:32,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:32,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:32,300 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:32,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:32,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:32,301 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:32,302 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:32,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:32,303 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 [2023-11-23 21:32:32,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:32,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:32,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:32,654 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:32,654 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:32,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2023-11-23 21:32:36,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:36,864 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:36,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2023-11-23 21:32:36,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/data/5dfb874ad/5f8ffcd42c3842dcaa9b2463a6629fc0/FLAG26ce89ff4 [2023-11-23 21:32:36,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/data/5dfb874ad/5f8ffcd42c3842dcaa9b2463a6629fc0 [2023-11-23 21:32:36,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:36,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:36,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:36,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:36,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:36,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:36" (1/1) ... [2023-11-23 21:32:36,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d9afc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:36, skipping insertion in model container [2023-11-23 21:32:36,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:36" (1/1) ... [2023-11-23 21:32:37,155 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:40,159 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_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2023-11-23 21:32:40,164 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_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2023-11-23 21:32:40,165 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_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2023-11-23 21:32:40,166 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_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2023-11-23 21:32:40,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:40,263 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:40,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3861] [2023-11-23 21:32:40,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3916] [2023-11-23 21:32:40,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3919] [2023-11-23 21:32:40,401 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3922] [2023-11-23 21:32:40,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3925] [2023-11-23 21:32:40,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4628] [2023-11-23 21:32:40,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4634] [2023-11-23 21:32:40,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [4749-4750] [2023-11-23 21:32:40,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [4756-4757] [2023-11-23 21:32:40,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [4763-4764] [2023-11-23 21:32:40,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [4770-4771] [2023-11-23 21:32:40,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5506] [2023-11-23 21:32:40,794 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_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2023-11-23 21:32:40,795 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_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2023-11-23 21:32:40,796 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_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2023-11-23 21:32:40,797 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_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2023-11-23 21:32:40,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:41,012 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:41,012 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:32:41,023 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:41,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41 WrapperNode [2023-11-23 21:32:41,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:41,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:41,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:41,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:41,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,379 INFO L138 Inliner]: procedures = 343, calls = 2934, calls flagged for inlining = 190, calls inlined = 160, statements flattened = 5065 [2023-11-23 21:32:41,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:41,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:41,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:41,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:41,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:41,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:41,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:41,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:41,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (1/1) ... [2023-11-23 21:32:41,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:41,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:41,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:41,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f9a2246-5ac4-470d-9e7c-f80cfafb6168/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 21:32:41,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 21:32:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-23 21:32:41,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-23 21:32:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-23 21:32:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-23 21:32:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-23 21:32:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:32:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:32:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:32:41,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:32:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:32:41,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:32:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-11-23 21:32:41,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-11-23 21:32:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:32:41,913 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:32:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-11-23 21:32:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-11-23 21:32:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:32:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:32:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-11-23 21:32:41,915 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-11-23 21:32:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-23 21:32:41,915 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-23 21:32:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-11-23 21:32:41,916 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-11-23 21:32:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-11-23 21:32:41,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-11-23 21:32:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2023-11-23 21:32:41,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2023-11-23 21:32:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2023-11-23 21:32:41,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2023-11-23 21:32:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-23 21:32:41,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-23 21:32:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:32:41,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:32:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2023-11-23 21:32:41,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2023-11-23 21:32:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:32:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-23 21:32:41,919 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-23 21:32:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:32:41,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:32:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:32:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:32:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:32:41,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 21:32:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 21:32:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-11-23 21:32:41,923 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-11-23 21:32:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:32:41,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:32:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-11-23 21:32:41,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-11-23 21:32:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:32:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:32:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:32:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:32:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2023-11-23 21:32:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2023-11-23 21:32:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:32:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:32:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-23 21:32:41,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-23 21:32:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:32:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:32:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-11-23 21:32:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-11-23 21:32:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-23 21:32:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-23 21:32:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-23 21:32:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-23 21:32:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:32:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:32:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:32:41,930 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 21:32:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 21:32:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-11-23 21:32:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-11-23 21:32:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:32:41,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:32:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:32:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:32:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:32:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-11-23 21:32:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-11-23 21:32:41,932 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-23 21:32:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-23 21:32:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:32:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 21:32:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 21:32:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-23 21:32:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-23 21:32:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:32:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:32:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 21:32:41,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 21:32:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:32:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:32:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:32:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:32:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 21:32:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 21:32:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-23 21:32:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-23 21:32:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:32:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:32:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 21:32:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 21:32:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:32:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-11-23 21:32:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-11-23 21:32:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:32:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:32:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-23 21:32:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-23 21:32:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-11-23 21:32:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-11-23 21:32:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:32:41,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:32:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:32:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:32:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:32:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-11-23 21:32:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-11-23 21:32:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2023-11-23 21:32:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2023-11-23 21:32:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:32:41,950 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:32:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:32:41,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:32:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:32:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-11-23 21:32:41,953 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-11-23 21:32:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:32:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-11-23 21:32:41,959 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-11-23 21:32:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-23 21:32:41,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-23 21:32:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:32:41,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:32:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-11-23 21:32:41,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-11-23 21:32:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-23 21:32:41,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-23 21:32:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:32:41,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:32:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2023-11-23 21:32:41,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2023-11-23 21:32:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-11-23 21:32:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-11-23 21:32:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-11-23 21:32:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-11-23 21:32:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-11-23 21:32:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-11-23 21:32:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-23 21:32:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-23 21:32:41,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:32:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:32:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:42,685 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:42,690 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:43,045 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:33:10,476 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:33:10,607 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:33:11,741 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:33:11,741 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 21:33:11,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:33:11 BoogieIcfgContainer [2023-11-23 21:33:11,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:33:11,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:33:11,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:33:11,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:33:11,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:36" (1/3) ... [2023-11-23 21:33:11,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53bf7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:33:11, skipping insertion in model container [2023-11-23 21:33:11,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:41" (2/3) ... [2023-11-23 21:33:11,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53bf7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:33:11, skipping insertion in model container [2023-11-23 21:33:11,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:33:11" (3/3) ... [2023-11-23 21:33:11,758 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2023-11-23 21:33:11,785 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:33:11,785 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:33:11,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:33:11,910 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=FINITE_AUTOMATA, 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;@7c1dea2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:33:11,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:33:11,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 1266 states, 774 states have (on average 1.310077519379845) internal successors, (1014), 783 states have internal predecessors, (1014), 418 states have call successors, (418), 73 states have call predecessors, (418), 72 states have return successors, (412), 411 states have call predecessors, (412), 412 states have call successors, (412) [2023-11-23 21:33:11,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-23 21:33:11,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:33:11,976 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:33:11,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:33:11,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:33:11,985 INFO L85 PathProgramCache]: Analyzing trace with hash 595256797, now seen corresponding path program 1 times [2023-11-23 21:33:11,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:33:11,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831502349] [2023-11-23 21:33:11,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:11,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:33:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:33:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-23 21:33:13,468 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:33:13,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831502349] [2023-11-23 21:33:13,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831502349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:33:13,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:33:13,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:33:13,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166398133] [2023-11-23 21:33:13,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:33:13,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:33:13,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:33:13,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:33:13,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:33:13,529 INFO L87 Difference]: Start difference. First operand has 1266 states, 774 states have (on average 1.310077519379845) internal successors, (1014), 783 states have internal predecessors, (1014), 418 states have call successors, (418), 73 states have call predecessors, (418), 72 states have return successors, (412), 411 states have call predecessors, (412), 412 states have call successors, (412) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 21:33:16,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:19,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:20,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:33:20,656 INFO L93 Difference]: Finished difference Result 3608 states and 5365 transitions. [2023-11-23 21:33:20,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:33:20,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 208 [2023-11-23 21:33:20,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:33:20,702 INFO L225 Difference]: With dead ends: 3608 [2023-11-23 21:33:20,702 INFO L226 Difference]: Without dead ends: 2366 [2023-11-23 21:33:20,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:33:20,720 INFO L413 NwaCegarLoop]: 1630 mSDtfsCounter, 1615 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1615 SdHoareTripleChecker+Valid, 3228 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:33:20,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1615 Valid, 3228 Invalid, 445 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-11-23 21:33:20,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2023-11-23 21:33:20,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 2346. [2023-11-23 21:33:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2346 states, 1447 states have (on average 1.3013130615065653) internal successors, (1883), 1471 states have internal predecessors, (1883), 755 states have call successors, (755), 142 states have call predecessors, (755), 141 states have return successors, (751), 744 states have call predecessors, (751), 751 states have call successors, (751) [2023-11-23 21:33:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 3389 transitions. [2023-11-23 21:33:20,985 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 3389 transitions. Word has length 208 [2023-11-23 21:33:20,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:33:20,988 INFO L495 AbstractCegarLoop]: Abstraction has 2346 states and 3389 transitions. [2023-11-23 21:33:20,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 21:33:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 3389 transitions. [2023-11-23 21:33:20,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-23 21:33:20,996 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:33:20,996 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:33:20,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:33:20,997 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:33:20,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:33:20,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1709662796, now seen corresponding path program 1 times [2023-11-23 21:33:20,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:33:20,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147736118] [2023-11-23 21:33:20,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:33:20,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:33:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:33:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-23 21:33:21,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:33:21,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147736118] [2023-11-23 21:33:21,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147736118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:33:21,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:33:21,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:33:21,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725254932] [2023-11-23 21:33:21,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:33:21,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:33:21,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:33:21,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:33:21,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:33:21,786 INFO L87 Difference]: Start difference. First operand 2346 states and 3389 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-23 21:33:24,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:26,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:27,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:33:29,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:33:29,071 INFO L93 Difference]: Finished difference Result 6686 states and 9636 transitions. [2023-11-23 21:33:29,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:33:29,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 209 [2023-11-23 21:33:29,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:33:29,116 INFO L225 Difference]: With dead ends: 6686 [2023-11-23 21:33:29,116 INFO L226 Difference]: Without dead ends: 4379 [2023-11-23 21:33:29,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:33:29,128 INFO L413 NwaCegarLoop]: 1747 mSDtfsCounter, 1580 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:33:29,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 3328 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-11-23 21:33:29,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4379 states.