./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b4b366842d515e4cb882bee42d8cbade7db172d14c7b79b0aca4a9ee5dc85e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:39:26,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:39:26,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 18:39:26,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:39:26,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:39:26,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:39:26,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:39:26,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:39:26,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:39:26,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:39:26,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:39:26,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:39:26,479 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:39:26,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:39:26,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:39:26,480 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:39:26,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:39:26,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:39:26,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:39:26,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:39:26,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:39:26,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:39:26,480 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 18:39:26,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:39:26,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:39:26,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:39:26,481 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:39:26,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:39:26,481 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:39:26,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:39:26,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:39:26,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:39:26,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:39:26,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:39:26,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:39:26,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:39:26,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:39:26,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:39:26,484 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:39:26,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:39:26,484 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:39:26,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:39:26,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:39:26,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:39:26,484 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:39:26,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:39:26,485 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC 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 ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4b366842d515e4cb882bee42d8cbade7db172d14c7b79b0aca4a9ee5dc85e7 [2024-11-23 18:39:26,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:39:26,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:39:26,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:39:26,823 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:39:26,824 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:39:26,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2024-11-23 18:39:29,895 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/data/e40f5e724/d9c99680ed6d4744a7ae7af64503b4a1/FLAG472fdb652 [2024-11-23 18:39:30,484 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:39:30,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2024-11-23 18:39:30,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/data/e40f5e724/d9c99680ed6d4744a7ae7af64503b4a1/FLAG472fdb652 [2024-11-23 18:39:30,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/data/e40f5e724/d9c99680ed6d4744a7ae7af64503b4a1 [2024-11-23 18:39:30,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:39:30,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:39:30,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:39:30,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:39:30,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:39:30,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:39:30" (1/1) ... [2024-11-23 18:39:30,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2531f606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:30, skipping insertion in model container [2024-11-23 18:39:30,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:39:30" (1/1) ... [2024-11-23 18:39:30,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:39:32,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:39:32,673 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:39:32,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3628-3629] [2024-11-23 18:39:32,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3662] [2024-11-23 18:39:32,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3665] [2024-11-23 18:39:32,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3668] [2024-11-23 18:39:32,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3671] [2024-11-23 18:39:32,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___12->state): : "memory", "cc"); [4769-4770] [2024-11-23 18:39:32,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___13->state): : "memory", "cc"); [4776-4777] [2024-11-23 18:39:32,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___14->state): : "memory", "cc"); [4783-4784] [2024-11-23 18:39:32,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___15->state): : "memory", "cc"); [4790-4791] [2024-11-23 18:39:32,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [4837-4838] [2024-11-23 18:39:32,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [4844-4845] [2024-11-23 18:39:32,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___19->state): : "memory", "cc"); [4851-4852] [2024-11-23 18:39:32,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___20->state): : "memory", "cc"); [4858-4859] [2024-11-23 18:39:32,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5071-5072] [2024-11-23 18:39:32,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5078-5079] [2024-11-23 18:39:32,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5085-5086] [2024-11-23 18:39:32,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5092-5093] [2024-11-23 18:39:32,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5152-5153] [2024-11-23 18:39:32,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___7->state): : "memory", "cc"); [5159-5160] [2024-11-23 18:39:32,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [5166-5167] [2024-11-23 18:39:32,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [5173-5174] [2024-11-23 18:39:32,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [5263-5264] [2024-11-23 18:39:32,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [5270-5271] [2024-11-23 18:39:32,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___17->state): : "memory", "cc"); [5277-5278] [2024-11-23 18:39:32,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___18->state): : "memory", "cc"); [5284-5285] [2024-11-23 18:39:33,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:39:33,238 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:39:33,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33 WrapperNode [2024-11-23 18:39:33,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:39:33,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:39:33,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:39:33,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:39:33,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:33,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:33,742 INFO L138 Inliner]: procedures = 289, calls = 1736, calls flagged for inlining = 468, calls inlined = 551, statements flattened = 8847 [2024-11-23 18:39:33,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:39:33,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:39:33,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:39:33,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:39:33,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:33,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:33,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:33,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:34,183 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:34,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:34,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:34,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:34,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:34,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:39:34,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:39:34,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:39:34,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:39:34,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2024-11-23 18:39:34,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:39:34,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:39:34,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:39:34,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad32e881-78de-482e-8de1-d02126161aa3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:39:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-23 18:39:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2024-11-23 18:39:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2024-11-23 18:39:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 18:39:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:39:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-23 18:39:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2024-11-23 18:39:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2024-11-23 18:39:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 18:39:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:39:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:39:34,633 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 18:39:35,478 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:39:35,481 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:39:46,973 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 18:39:46,973 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:39:47,232 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:39:47,233 INFO L312 CfgBuilder]: Removed 29 assume(true) statements. [2024-11-23 18:39:47,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:39:47 BoogieIcfgContainer [2024-11-23 18:39:47,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:39:47,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:39:47,236 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:39:47,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:39:47,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:39:30" (1/3) ... [2024-11-23 18:39:47,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a693771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:39:47, skipping insertion in model container [2024-11-23 18:39:47,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (2/3) ... [2024-11-23 18:39:47,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a693771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:39:47, skipping insertion in model container [2024-11-23 18:39:47,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:39:47" (3/3) ... [2024-11-23 18:39:47,245 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2024-11-23 18:39:47,261 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:39:47,263 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i that has 4 procedures, 9998 locations, 1 initial locations, 9 loop locations, and 420 error locations. [2024-11-23 18:39:47,264 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 18:39:50,093 INFO L143 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2024-11-23 18:39:50,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 10055 places, 10392 transitions, 20817 flow [2024-11-23 18:40:40,610 INFO L124 PetriNetUnfolderBase]: 602/17023 cut-off events. [2024-11-23 18:40:40,613 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-23 18:40:42,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17046 conditions, 17023 events. 602/17023 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 102830 event pairs, 0 based on Foata normal form. 0/15665 useless extension candidates. Maximal degree in co-relation 16191. Up to 24 conditions per place. [2024-11-23 18:40:42,945 INFO L82 GeneralOperation]: Start removeDead. Operand has 10055 places, 10392 transitions, 20817 flow [2024-11-23 18:40:43,715 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 10004 places, 10339 transitions, 20702 flow [2024-11-23 18:40:43,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:40:43,737 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@57e11895, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:40:43,737 INFO L334 AbstractCegarLoop]: Starting to check reachability of 843 error locations. [2024-11-23 18:40:43,904 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 18:40:43,904 INFO L124 PetriNetUnfolderBase]: 2/759 cut-off events. [2024-11-23 18:40:43,904 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 18:40:43,904 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:40:43,906 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:40:43,906 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONDATA_RACE, ldv_character_driver_scenario_2Err1ASSERT_VIOLATIONDATA_RACE (and 841 more)] === [2024-11-23 18:40:43,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:40:43,916 INFO L85 PathProgramCache]: Analyzing trace with hash -926800108, now seen corresponding path program 1 times [2024-11-23 18:40:43,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:40:43,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605463932] [2024-11-23 18:40:43,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:40:43,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:40:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:40:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:40:46,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:40:46,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605463932] [2024-11-23 18:40:46,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605463932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:40:46,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:40:46,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:40:46,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370106108] [2024-11-23 18:40:46,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:40:46,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:40:46,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:40:46,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:40:46,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:40:46,533 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10136 out of 10394 [2024-11-23 18:40:46,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 10004 places, 10339 transitions, 20702 flow. Second operand has 3 states, 3 states have (on average 10137.333333333334) internal successors, (30412), 3 states have internal predecessors, (30412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:40:46,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:40:46,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10136 of 10394 [2024-11-23 18:40:46,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand