./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 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_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/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_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 05:21:38,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:38,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:21:38,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:38,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:38,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:38,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:38,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:38,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:38,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:38,561 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:38,561 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:38,562 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:38,562 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:21:38,563 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:38,564 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:38,564 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:21:38,565 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:21:38,566 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:38,566 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:21:38,567 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:21:38,568 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:21:38,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:38,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:38,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:21:38,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:38,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:38,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:38,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:38,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:38,573 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:38,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:38,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:38,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:38,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:38,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:38,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:38,582 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:21:38,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:21:38,583 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:38,584 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:38,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:38,585 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_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 [2023-11-19 05:21:38,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:38,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:38,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:38,959 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:38,960 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:38,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2023-11-19 05:21:42,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:42,759 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:42,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2023-11-19 05:21:42,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/data/bf8740aec/0796eaca8b6f4fecaf4045f6a753c98d/FLAG8f50a3b70 [2023-11-19 05:21:42,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/data/bf8740aec/0796eaca8b6f4fecaf4045f6a753c98d [2023-11-19 05:21:42,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:42,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:42,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:42,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:42,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:42,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58cf1922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42, skipping insertion in model container [2023-11-19 05:21:42,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,985 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:45,543 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_26078d02-7ff7-4e8b-972b-eb88db43d12c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2023-11-19 05:21:45,549 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_26078d02-7ff7-4e8b-972b-eb88db43d12c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2023-11-19 05:21:45,549 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_26078d02-7ff7-4e8b-972b-eb88db43d12c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2023-11-19 05:21:45,550 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_26078d02-7ff7-4e8b-972b-eb88db43d12c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2023-11-19 05:21:45,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:45,640 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:45,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3861] [2023-11-19 05:21:45,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3916] [2023-11-19 05:21:45,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3919] [2023-11-19 05:21:45,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3922] [2023-11-19 05:21:45,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3925] [2023-11-19 05:21:45,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4628] [2023-11-19 05:21:45,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4634] [2023-11-19 05:21:45,831 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] [2023-11-19 05:21:45,831 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] [2023-11-19 05:21:45,832 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] [2023-11-19 05:21:45,832 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] [2023-11-19 05:21:45,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5506] [2023-11-19 05:21:46,028 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_26078d02-7ff7-4e8b-972b-eb88db43d12c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2023-11-19 05:21:46,030 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_26078d02-7ff7-4e8b-972b-eb88db43d12c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2023-11-19 05:21:46,031 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_26078d02-7ff7-4e8b-972b-eb88db43d12c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2023-11-19 05:21:46,032 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_26078d02-7ff7-4e8b-972b-eb88db43d12c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2023-11-19 05:21:46,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:46,234 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:46,234 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:46,242 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:46,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46 WrapperNode [2023-11-19 05:21:46,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:46,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:46,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:46,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:46,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (1/1) ... [2023-11-19 05:21:46,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (1/1) ... [2023-11-19 05:21:46,605 INFO L138 Inliner]: procedures = 343, calls = 2934, calls flagged for inlining = 190, calls inlined = 160, statements flattened = 5065 [2023-11-19 05:21:46,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:46,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:46,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:46,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:46,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (1/1) ... [2023-11-19 05:21:46,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (1/1) ... [2023-11-19 05:21:46,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (1/1) ... [2023-11-19 05:21:46,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (1/1) ... [2023-11-19 05:21:46,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (1/1) ... [2023-11-19 05:21:46,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (1/1) ... [2023-11-19 05:21:46,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (1/1) ... [2023-11-19 05:21:46,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (1/1) ... [2023-11-19 05:21:46,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:46,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:46,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:46,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:46,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (1/1) ... [2023-11-19 05:21:46,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:46,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:47,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:47,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26078d02-7ff7-4e8b-972b-eb88db43d12c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 05:21:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 05:21:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 05:21:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 05:21:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-19 05:21:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-19 05:21:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 05:21:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:21:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:21:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:21:47,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:21:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:21:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:21:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2023-11-19 05:21:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2023-11-19 05:21:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:21:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:21:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-11-19 05:21:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-11-19 05:21:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:21:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:21:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-11-19 05:21:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-11-19 05:21:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-19 05:21:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-19 05:21:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-11-19 05:21:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-11-19 05:21:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-11-19 05:21:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-11-19 05:21:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2023-11-19 05:21:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2023-11-19 05:21:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2023-11-19 05:21:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2023-11-19 05:21:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-19 05:21:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-19 05:21:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:21:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:21:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2023-11-19 05:21:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2023-11-19 05:21:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:21:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-19 05:21:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-19 05:21:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:21:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:21:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:21:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:21:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:21:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-19 05:21:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-19 05:21:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-11-19 05:21:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-11-19 05:21:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:21:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:21:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-11-19 05:21:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2023-11-19 05:21:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:21:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:21:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 05:21:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 05:21:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2023-11-19 05:21:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2023-11-19 05:21:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:21:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:21:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 05:21:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 05:21:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:21:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:21:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-11-19 05:21:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-11-19 05:21:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-19 05:21:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-19 05:21:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-19 05:21:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-19 05:21:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:21:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:21:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:21:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 05:21:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 05:21:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-11-19 05:21:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-11-19 05:21:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:21:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:21:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:21:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 05:21:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 05:21:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-11-19 05:21:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-11-19 05:21:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-19 05:21:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-19 05:21:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:21:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-19 05:21:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-19 05:21:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-19 05:21:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-19 05:21:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:21:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:21:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 05:21:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 05:21:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 05:21:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 05:21:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:21:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:21:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 05:21:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 05:21:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-19 05:21:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-19 05:21:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:21:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:21:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-19 05:21:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-19 05:21:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:21:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-11-19 05:21:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-11-19 05:21:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 05:21:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 05:21:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-19 05:21:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-19 05:21:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-11-19 05:21:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-11-19 05:21:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:21:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:21:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:21:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:21:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:21:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-11-19 05:21:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-11-19 05:21:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2023-11-19 05:21:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2023-11-19 05:21:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 05:21:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 05:21:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:21:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:21:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:21:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-11-19 05:21:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-11-19 05:21:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:21:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-11-19 05:21:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-11-19 05:21:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-19 05:21:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-19 05:21:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:21:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:21:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-11-19 05:21:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-11-19 05:21:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 05:21:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 05:21:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:21:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:21:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2023-11-19 05:21:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2023-11-19 05:21:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-11-19 05:21:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-11-19 05:21:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-11-19 05:21:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-11-19 05:21:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-11-19 05:21:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-11-19 05:21:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:21:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-19 05:21:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-19 05:21:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:21:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:21:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:47,787 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:47,792 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:48,124 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:22:14,656 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:22:14,770 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:22:15,894 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:22:15,894 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 05:22:15,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:15 BoogieIcfgContainer [2023-11-19 05:22:15,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:22:15,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:22:15,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:22:15,921 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:22:15,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:42" (1/3) ... [2023-11-19 05:22:15,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614b50d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:15, skipping insertion in model container [2023-11-19 05:22:15,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:46" (2/3) ... [2023-11-19 05:22:15,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614b50d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:15, skipping insertion in model container [2023-11-19 05:22:15,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:15" (3/3) ... [2023-11-19 05:22:15,926 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2023-11-19 05:22:15,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:22:15,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 05:22:16,052 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:22:16,063 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;@524b5a87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:22:16,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 05:22:16,076 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) [2023-11-19 05:22:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-19 05:22:16,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:16,124 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] [2023-11-19 05:22:16,125 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)] === [2023-11-19 05:22:16,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:16,134 INFO L85 PathProgramCache]: Analyzing trace with hash 2116177539, now seen corresponding path program 1 times [2023-11-19 05:22:16,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:16,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96605505] [2023-11-19 05:22:16,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:16,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-19 05:22:17,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:17,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96605505] [2023-11-19 05:22:17,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96605505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:17,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:17,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:17,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904004046] [2023-11-19 05:22:17,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:17,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:17,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:17,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:17,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:17,366 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) [2023-11-19 05:22:21,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:22,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:24,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:25,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:27,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:22:28,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:28,694 INFO L93 Difference]: Finished difference Result 3608 states and 5365 transitions. [2023-11-19 05:22:28,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:28,698 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 [2023-11-19 05:22:28,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:28,733 INFO L225 Difference]: With dead ends: 3608 [2023-11-19 05:22:28,734 INFO L226 Difference]: Without dead ends: 2366 [2023-11-19 05:22:28,746 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 [2023-11-19 05:22:28,750 INFO L413 NwaCegarLoop]: 1630 mSDtfsCounter, 1615 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1615 SdHoareTripleChecker+Valid, 3228 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:28,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1615 Valid, 3228 Invalid, 446 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 432 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2023-11-19 05:22:28,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2023-11-19 05:22:29,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 2346. [2023-11-19 05:22:29,033 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) [2023-11-19 05:22:29,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2346 states and 3389 transitions. [2023-11-19 05:22:29,062 INFO L78 Accepts]: Start accepts. Automaton has 2346 states and 3389 transitions. Word has length 208 [2023-11-19 05:22:29,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:29,065 INFO L495 AbstractCegarLoop]: Abstraction has 2346 states and 3389 transitions. [2023-11-19 05:22:29,066 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) [2023-11-19 05:22:29,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 3389 transitions. [2023-11-19 05:22:29,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-19 05:22:29,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:29,080 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] [2023-11-19 05:22:29,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:22:29,081 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)] === [2023-11-19 05:22:29,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:29,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1316052601, now seen corresponding path program 1 times [2023-11-19 05:22:29,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:29,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808369783] [2023-11-19 05:22:29,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:29,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-19 05:22:29,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:29,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808369783] [2023-11-19 05:22:29,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808369783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:29,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:29,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:29,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455311205] [2023-11-19 05:22:29,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:29,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:29,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:29,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:29,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:29,876 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) [2023-11-19 05:22:33,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []