./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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-?-e2fb8be-m [2025-03-08 21:53:06,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:53:06,388 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:53:06,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:53:06,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:53:06,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:53:06,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:53:06,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:53:06,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:53:06,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:53:06,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:53:06,413 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:53:06,413 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:53:06,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:53:06,414 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:53:06,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:53:06,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:53:06,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:53:06,415 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:53:06,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:53:06,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:53:06,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:53:06,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:53:06,415 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:53:06,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:53:06,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:53:06,415 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2025-03-08 21:53:06,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:53:06,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:53:06,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:53:06,698 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:53:06,698 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:53:06,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2025-03-08 21:53:07,799 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c89f713/dbb560e953214798b95e0734c1ab23dc/FLAG115476e08 [2025-03-08 21:53:08,267 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:53:08,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2025-03-08 21:53:08,302 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c89f713/dbb560e953214798b95e0734c1ab23dc/FLAG115476e08 [2025-03-08 21:53:08,367 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c89f713/dbb560e953214798b95e0734c1ab23dc [2025-03-08 21:53:08,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:53:08,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:53:08,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:53:08,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:53:08,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:53:08,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:53:08" (1/1) ... [2025-03-08 21:53:08,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7846ff23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:08, skipping insertion in model container [2025-03-08 21:53:08,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:53:08" (1/1) ... [2025-03-08 21:53:08,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:53:09,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:53:09,808 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:53:09,865 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] [2025-03-08 21:53:09,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3662] [2025-03-08 21:53:09,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3665] [2025-03-08 21:53:09,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3668] [2025-03-08 21:53:09,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3671] [2025-03-08 21:53:09,977 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] [2025-03-08 21:53:09,978 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] [2025-03-08 21:53:09,978 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] [2025-03-08 21:53:09,978 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] [2025-03-08 21:53:09,979 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] [2025-03-08 21:53:09,979 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] [2025-03-08 21:53:09,980 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] [2025-03-08 21:53:09,980 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] [2025-03-08 21:53:09,993 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] [2025-03-08 21:53:09,993 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] [2025-03-08 21:53:09,994 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] [2025-03-08 21:53:09,994 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] [2025-03-08 21:53:09,996 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] [2025-03-08 21:53:09,996 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] [2025-03-08 21:53:09,997 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] [2025-03-08 21:53:09,997 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] [2025-03-08 21:53:09,999 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] [2025-03-08 21:53:09,999 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] [2025-03-08 21:53:09,999 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] [2025-03-08 21:53:09,999 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] [2025-03-08 21:53:10,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:53:10,112 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:53:10,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10 WrapperNode [2025-03-08 21:53:10,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:53:10,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:53:10,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:53:10,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:53:10,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (1/1) ... [2025-03-08 21:53:10,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (1/1) ... [2025-03-08 21:53:10,469 INFO L138 Inliner]: procedures = 289, calls = 1736, calls flagged for inlining = 468, calls inlined = 551, statements flattened = 8847 [2025-03-08 21:53:10,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:53:10,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:53:10,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:53:10,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:53:10,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (1/1) ... [2025-03-08 21:53:10,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (1/1) ... [2025-03-08 21:53:10,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (1/1) ... [2025-03-08 21:53:10,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (1/1) ... [2025-03-08 21:53:10,653 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (1/1) ... [2025-03-08 21:53:10,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (1/1) ... [2025-03-08 21:53:10,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (1/1) ... [2025-03-08 21:53:10,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (1/1) ... [2025-03-08 21:53:10,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:53:10,773 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:53:10,773 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:53:10,773 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:53:10,774 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (1/1) ... [2025-03-08 21:53:10,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:53:10,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:53:10,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 21:53:10,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 21:53:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-08 21:53:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2025-03-08 21:53:10,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2025-03-08 21:53:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 21:53:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2025-03-08 21:53:10,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2025-03-08 21:53:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-08 21:53:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 21:53:10,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-08 21:53:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-08 21:53:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-08 21:53:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 21:53:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 21:53:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-08 21:53:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 21:53:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:53:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-08 21:53:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2025-03-08 21:53:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2025-03-08 21:53:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:53:10,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:53:10,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:53:10,826 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:53:11,269 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:53:11,271 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:53:15,266 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5806: #res#1.base, #res#1.offset := 0, 0; [2025-03-08 21:53:15,266 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5877: #res#1.base, #res#1.offset := 0, 0; [2025-03-08 21:53:15,266 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8006: havoc usb_submit_urb_#t~nondet861#1; [2025-03-08 21:53:15,267 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8006-6: havoc usb_submit_urb_#t~nondet861#1; [2025-03-08 21:53:15,267 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8006-12: havoc usb_submit_urb_#t~nondet861#1; [2025-03-08 21:53:15,267 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8006-18: havoc usb_submit_urb_#t~nondet861#1; [2025-03-08 21:53:15,267 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4308-1: SUMMARY for call ULTIMATE.dealloc(adu_open_~#descriptor~3#1.base, adu_open_~#descriptor~3#1.offset); srcloc: null [2025-03-08 21:53:15,267 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4308: havoc adu_open_~#descriptor~3#1.base, adu_open_~#descriptor~3#1.offset; [2025-03-08 21:53:15,267 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8017: havoc _copy_to_user_#t~nondet863#1; [2025-03-08 21:53:15,267 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8017-5: havoc _copy_to_user_#t~nondet863#1; [2025-03-08 21:53:15,267 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8052: havoc printk_#t~nondet865#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8052-6: havoc printk_#t~nondet865#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8052-12: havoc printk_#t~nondet865#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-6: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-12: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-18: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-24: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-30: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-36: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-42: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-48: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-54: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,268 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-60: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-66: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-72: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-78: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-84: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-90: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-96: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-102: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8077: havoc noop_llseek_#t~nondet869#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3857: havoc usb_endpoint_maxp_#t~mem44#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3857-8: havoc usb_endpoint_maxp_#t~mem44#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3857-16: havoc usb_endpoint_maxp_#t~mem44#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3857-24: havoc usb_endpoint_maxp_#t~mem44#1; [2025-03-08 21:53:15,269 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8090: havoc schedule_timeout_#t~nondet870#1; [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8090-6: havoc schedule_timeout_#t~nondet870#1; [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4393: havoc adu_release_internal_~#descriptor~4#1.base, adu_release_internal_~#descriptor~4#1.offset; [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4393-1: SUMMARY for call ULTIMATE.dealloc(adu_release_internal_~#descriptor~4#1.base, adu_release_internal_~#descriptor~4#1.offset); srcloc: null [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8109: havoc usb_find_interface_#t~ret874#1.base, usb_find_interface_#t~ret874#1.offset; [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8113: havoc _copy_from_user_#t~nondet875#1; [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8113-5: havoc _copy_from_user_#t~nondet875#1; [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4427: havoc adu_release_~#descriptor~5#1.base, adu_release_~#descriptor~5#1.offset; [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4427-1: SUMMARY for call ULTIMATE.dealloc(adu_release_~#descriptor~5#1.base, adu_release_~#descriptor~5#1.offset); srcloc: null [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4959: havoc adu_write_~#waita~0#1.base, adu_write_~#waita~0#1.offset; [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4959-1: SUMMARY for call ULTIMATE.dealloc(adu_write_~#waita~0#1.base, adu_write_~#waita~0#1.offset); srcloc: null [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4967: havoc adu_write_~#descriptor~7#1.base, adu_write_~#descriptor~7#1.offset; [2025-03-08 21:53:15,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4967-1: SUMMARY for call ULTIMATE.dealloc(adu_write_~#descriptor~7#1.base, adu_write_~#descriptor~7#1.offset); srcloc: null [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4974: havoc adu_write_~#descriptor___0~2#1.base, adu_write_~#descriptor___0~2#1.offset; [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4974-1: SUMMARY for call ULTIMATE.dealloc(adu_write_~#descriptor___0~2#1.base, adu_write_~#descriptor___0~2#1.offset); srcloc: null [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4983: havoc adu_write_~#descriptor___1~2#1.base, adu_write_~#descriptor___1~2#1.offset; [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4983-1: SUMMARY for call ULTIMATE.dealloc(adu_write_~#descriptor___1~2#1.base, adu_write_~#descriptor___1~2#1.offset); srcloc: null [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4986: havoc adu_write_~#descriptor___2~1#1.base, adu_write_~#descriptor___2~1#1.offset; [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4986-1: SUMMARY for call ULTIMATE.dealloc(adu_write_~#descriptor___2~1#1.base, adu_write_~#descriptor___2~1#1.offset); srcloc: null [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6572-1: havoc ldv_dev_get_drvdata_#t~mem716#1.base, ldv_dev_get_drvdata_#t~mem716#1.offset; [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6572: havoc ldv_dev_get_drvdata_#t~mem717#1.base, ldv_dev_get_drvdata_#t~mem717#1.offset; [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3936: havoc iminor_#t~mem63#1; [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4993: havoc adu_write_~#descriptor___3~1#1.base, adu_write_~#descriptor___3~1#1.offset; [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4993-1: SUMMARY for call ULTIMATE.dealloc(adu_write_~#descriptor___3~1#1.base, adu_write_~#descriptor___3~1#1.offset); srcloc: null [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4996-1: SUMMARY for call ULTIMATE.dealloc(adu_write_~#descriptor___4~1#1.base, adu_write_~#descriptor___4~1#1.offset); srcloc: null [2025-03-08 21:53:15,271 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4996: havoc adu_write_~#descriptor___4~1#1.base, adu_write_~#descriptor___4~1#1.offset; [2025-03-08 21:53:15,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4496-1: SUMMARY for call ULTIMATE.dealloc(adu_read_~#wait~0#1.base, adu_read_~#wait~0#1.offset); srcloc: null [2025-03-08 21:53:15,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4496: havoc adu_read_~#wait~0#1.base, adu_read_~#wait~0#1.offset; [2025-03-08 21:53:15,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4499: havoc adu_read_~#descriptor~6#1.base, adu_read_~#descriptor~6#1.offset; [2025-03-08 21:53:15,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4499-1: SUMMARY for call ULTIMATE.dealloc(adu_read_~#descriptor~6#1.base, adu_read_~#descriptor~6#1.offset); srcloc: null [2025-03-08 21:53:15,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4501: havoc adu_read_~#descriptor___0~1#1.base, adu_read_~#descriptor___0~1#1.offset; [2025-03-08 21:53:15,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4501-1: SUMMARY for call ULTIMATE.dealloc(adu_read_~#descriptor___0~1#1.base, adu_read_~#descriptor___0~1#1.offset); srcloc: null [2025-03-08 21:53:15,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4504-1: SUMMARY for call ULTIMATE.dealloc(adu_read_~#descriptor___1~1#1.base, adu_read_~#descriptor___1~1#1.offset); srcloc: null [2025-03-08 21:53:15,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4504: havoc adu_read_~#descriptor___1~1#1.base, adu_read_~#descriptor___1~1#1.offset; [2025-03-08 21:53:15,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4509: havoc adu_read_~#descriptor___2~0#1.base, adu_read_~#descriptor___2~0#1.offset; [2025-03-08 21:53:15,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4509-1: SUMMARY for call ULTIMATE.dealloc(adu_read_~#descriptor___2~0#1.base, adu_read_~#descriptor___2~0#1.offset); srcloc: null [2025-03-08 21:53:15,272 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4511: havoc adu_read_~#descriptor___3~0#1.base, adu_read_~#descriptor___3~0#1.offset; [2025-03-08 21:53:15,273 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4511-1: SUMMARY for call ULTIMATE.dealloc(adu_read_~#descriptor___3~0#1.base, adu_read_~#descriptor___3~0#1.offset); srcloc: null [2025-03-08 21:53:15,273 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4513: havoc adu_read_~#descriptor___4~0#1.base, adu_read_~#descriptor___4~0#1.offset; [2025-03-08 21:53:15,273 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4513-1: SUMMARY for call ULTIMATE.dealloc(adu_read_~#descriptor___4~0#1.base, adu_read_~#descriptor___4~0#1.offset); srcloc: null [2025-03-08 21:53:15,273 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4517: havoc adu_read_~#descriptor___5~0#1.base, adu_read_~#descriptor___5~0#1.offset; [2025-03-08 21:53:15,273 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4517-1: SUMMARY for call ULTIMATE.dealloc(adu_read_~#descriptor___5~0#1.base, adu_read_~#descriptor___5~0#1.offset); srcloc: null [2025-03-08 21:53:15,273 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4530: havoc adu_read_~#descriptor___6~0#1.base, adu_read_~#descriptor___6~0#1.offset; [2025-03-08 21:53:15,273 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4530-1: SUMMARY for call ULTIMATE.dealloc(adu_read_~#descriptor___6~0#1.base, adu_read_~#descriptor___6~0#1.offset); srcloc: null [2025-03-08 21:53:15,273 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4532-1: SUMMARY for call ULTIMATE.dealloc(adu_read_~#descriptor___7~0#1.base, adu_read_~#descriptor___7~0#1.offset); srcloc: null [2025-03-08 21:53:15,273 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4532: havoc adu_read_~#descriptor___7~0#1.base, adu_read_~#descriptor___7~0#1.offset; [2025-03-08 21:53:15,273 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4033-1: havoc __create_pipe_#t~mem104#1; [2025-03-08 21:53:15,274 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4033: havoc __create_pipe_#t~bitwise105#1; [2025-03-08 21:53:15,274 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4033-19: havoc __create_pipe_#t~bitwise105#1; [2025-03-08 21:53:15,274 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4033-20: havoc __create_pipe_#t~mem104#1; [2025-03-08 21:53:15,274 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4033-39: havoc __create_pipe_#t~mem104#1; [2025-03-08 21:53:15,274 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4033-38: havoc __create_pipe_#t~bitwise105#1; [2025-03-08 21:53:15,274 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4033-57: havoc __create_pipe_#t~bitwise105#1; [2025-03-08 21:53:15,274 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4033-58: havoc __create_pipe_#t~mem104#1; [2025-03-08 21:53:15,274 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4106: havoc adu_abort_transfers_~tmp~8#1.base, adu_abort_transfers_~tmp~8#1.offset; [2025-03-08 21:53:15,275 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5774: #res#1.base, #res#1.offset := 0, 0; [2025-03-08 21:53:15,428 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8073: havoc ldv_failed_usb_register_driver_#t~nondet868#1; [2025-03-08 21:53:15,428 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6099: #res#1.base, #res#1.offset := 0, 0; [2025-03-08 21:53:15,945 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6132-1: ldv_main_7_#res#1.base, ldv_main_7_#res#1.offset := 0, 0; [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8030: havoc usb_register_dev_#t~nondet864#1; [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803: havoc usb_endpoint_xfer_int_#t~mem39#1; [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-7: havoc usb_endpoint_xfer_int_#t~mem39#1; [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6182: #res#1.base, #res#1.offset := 0, 0; [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: havoc adu_probe_~#__key~0#1.base, adu_probe_~#__key~0#1.offset; [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401-1: SUMMARY for call ULTIMATE.dealloc(adu_probe_~#__key~0#1.base, adu_probe_~#__key~0#1.offset); srcloc: null [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5402: havoc adu_probe_~#__key___0~0#1.base, adu_probe_~#__key___0~0#1.offset; [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5402-1: SUMMARY for call ULTIMATE.dealloc(adu_probe_~#__key___0~0#1.base, adu_probe_~#__key___0~0#1.offset); srcloc: null [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5403: havoc adu_probe_~#__key___1~0#1.base, adu_probe_~#__key___1~0#1.offset; [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5403-1: SUMMARY for call ULTIMATE.dealloc(adu_probe_~#__key___1~0#1.base, adu_probe_~#__key___1~0#1.offset); srcloc: null [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5404-1: SUMMARY for call ULTIMATE.dealloc(adu_probe_~#__key___2~0#1.base, adu_probe_~#__key___2~0#1.offset); srcloc: null [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5404: havoc adu_probe_~#__key___2~0#1.base, adu_probe_~#__key___2~0#1.offset; [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5412-1: SUMMARY for call ULTIMATE.dealloc(adu_probe_~#descriptor~8#1.base, adu_probe_~#descriptor~8#1.offset); srcloc: null [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5412: havoc adu_probe_~#descriptor~8#1.base, adu_probe_~#descriptor~8#1.offset; [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,254 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059-6: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059-12: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059-18: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059-24: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059-30: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059-36: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059-42: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059-48: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059-54: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059-60: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8059-66: havoc dev_err_#t~nondet866#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8063-6: havoc __dynamic_dev_dbg_#t~nondet867#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3857: havoc usb_endpoint_maxp_#t~mem44#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3857-8: havoc usb_endpoint_maxp_#t~mem44#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8100: havoc usb_string_#t~nondet871#1; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8103: havoc usb_alloc_urb_#t~ret872#1.base, usb_alloc_urb_#t~ret872#1.offset; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8103-9: havoc usb_alloc_urb_#t~ret872#1.base, usb_alloc_urb_#t~ret872#1.offset; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6255: #res#1.base, #res#1.offset := 0, 0; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4040: havoc __kmalloc_#t~ret108#1.base, __kmalloc_#t~ret108#1.offset; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4040-9: havoc __kmalloc_#t~ret108#1.base, __kmalloc_#t~ret108#1.offset; [2025-03-08 21:53:17,255 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4040-18: havoc __kmalloc_#t~ret108#1.base, __kmalloc_#t~ret108#1.offset; [2025-03-08 21:53:17,257 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4040-27: havoc __kmalloc_#t~ret108#1.base, __kmalloc_#t~ret108#1.offset; [2025-03-08 21:53:17,258 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5628-1: SUMMARY for call ULTIMATE.dealloc(adu_disconnect_~#descriptor~9#1.base, adu_disconnect_~#descriptor~9#1.offset); srcloc: null [2025-03-08 21:53:17,258 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5628: havoc adu_disconnect_~#descriptor~9#1.base, adu_disconnect_~#descriptor~9#1.offset; [2025-03-08 21:53:17,258 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8010: havoc _dev_info_#t~nondet862#1; [2025-03-08 21:53:17,258 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8010-6: havoc _dev_info_#t~nondet862#1; [2025-03-08 21:53:17,258 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3791: havoc usb_endpoint_dir_in_#t~mem37#1; [2025-03-08 21:53:17,258 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3797: havoc usb_endpoint_dir_out_#t~mem38#1; [2025-03-08 21:53:17,258 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6572-1: havoc ldv_dev_get_drvdata_#t~mem716#1.base, ldv_dev_get_drvdata_#t~mem716#1.offset; [2025-03-08 21:53:17,258 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6572: havoc ldv_dev_get_drvdata_#t~mem717#1.base, ldv_dev_get_drvdata_#t~mem717#1.offset; [2025-03-08 21:53:17,259 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:53:17,259 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:53:17,386 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:53:17,387 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:53:17,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:53:17 BoogieIcfgContainer [2025-03-08 21:53:17,387 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:53:17,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:53:17,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:53:17,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:53:17,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:53:08" (1/3) ... [2025-03-08 21:53:17,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b001abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:53:17, skipping insertion in model container [2025-03-08 21:53:17,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:53:10" (2/3) ... [2025-03-08 21:53:17,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b001abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:53:17, skipping insertion in model container [2025-03-08 21:53:17,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:53:17" (3/3) ... [2025-03-08 21:53:17,394 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2025-03-08 21:53:17,404 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:53:17,406 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i that has 4 procedures, 10003 locations, 1 initial locations, 9 loop locations, and 420 error locations. [2025-03-08 21:53:17,406 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:53:18,726 INFO L143 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2025-03-08 21:53:19,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 10060 places, 10397 transitions, 20827 flow [2025-03-08 21:53:52,930 INFO L124 PetriNetUnfolderBase]: 602/17033 cut-off events. [2025-03-08 21:53:52,933 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-08 21:53:54,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17056 conditions, 17033 events. 602/17033 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 103092 event pairs, 0 based on Foata normal form. 0/15675 useless extension candidates. Maximal degree in co-relation 16201. Up to 24 conditions per place. [2025-03-08 21:53:54,265 INFO L82 GeneralOperation]: Start removeDead. Operand has 10060 places, 10397 transitions, 20827 flow [2025-03-08 21:53:54,668 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 10009 places, 10344 transitions, 20712 flow [2025-03-08 21:53:54,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:53:54,681 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;@291e5e7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:53:54,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 843 error locations. [2025-03-08 21:53:54,785 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:53:54,785 INFO L124 PetriNetUnfolderBase]: 2/760 cut-off events. [2025-03-08 21:53:54,785 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:53:54,785 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:53:54,786 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] [2025-03-08 21:53:54,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ldv_character_driver_scenario_2Err322ASSERT_VIOLATIONDATA_RACE, ldv_character_driver_scenario_2Err321ASSERT_VIOLATIONDATA_RACE (and 841 more)] === [2025-03-08 21:53:54,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:53:54,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1022407705, now seen corresponding path program 1 times [2025-03-08 21:53:54,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:53:54,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644546631] [2025-03-08 21:53:54,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:53:54,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:53:55,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 756 statements into 1 equivalence classes. [2025-03-08 21:53:55,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 756 of 756 statements. [2025-03-08 21:53:55,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:53:55,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:53:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:53:56,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:53:56,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644546631] [2025-03-08 21:53:56,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644546631] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:53:56,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:53:56,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:53:56,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40952850] [2025-03-08 21:53:56,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:53:56,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:53:56,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:53:56,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:53:56,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:53:56,153 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10141 out of 10399 [2025-03-08 21:53:56,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 10009 places, 10344 transitions, 20712 flow. Second operand has 3 states, 3 states have (on average 10142.333333333334) internal successors, (30427), 3 states have internal predecessors, (30427), 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) [2025-03-08 21:53:56,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:53:56,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10141 of 10399 [2025-03-08 21:53:56,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand