/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:19:50,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:19:50,478 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 00:19:50,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:19:50,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:19:50,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:19:50,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:19:50,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:19:50,529 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:19:50,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:19:50,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:19:50,529 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:19:50,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:19:50,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:19:50,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:19:50,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:19:50,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:19:50,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:19:50,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:19:50,530 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:19:50,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:19:50,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2025-03-15 00:19:50,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:19:50,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:19:50,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:19:50,807 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:19:50,808 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:19:50,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2025-03-15 00:19:51,958 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ba40eb5/b80c130ab8ec486e99e93733d2c16472/FLAG2ef0d248e [2025-03-15 00:19:52,434 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:19:52,435 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2025-03-15 00:19:52,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ba40eb5/b80c130ab8ec486e99e93733d2c16472/FLAG2ef0d248e [2025-03-15 00:19:52,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ba40eb5/b80c130ab8ec486e99e93733d2c16472 [2025-03-15 00:19:52,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:19:52,503 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:19:52,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:19:52,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:19:52,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:19:52,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:19:52" (1/1) ... [2025-03-15 00:19:52,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a49a1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:52, skipping insertion in model container [2025-03-15 00:19:52,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:19:52" (1/1) ... [2025-03-15 00:19:52,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:19:53,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:19:53,862 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:19:53,949 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] [2025-03-15 00:19:53,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3662] [2025-03-15 00:19:53,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3665] [2025-03-15 00:19:53,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3668] [2025-03-15 00:19:53,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3671] [2025-03-15 00:19:54,052 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] [2025-03-15 00:19:54,053 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] [2025-03-15 00:19:54,053 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] [2025-03-15 00:19:54,053 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] [2025-03-15 00:19:54,053 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] [2025-03-15 00:19:54,054 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] [2025-03-15 00:19:54,054 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] [2025-03-15 00:19:54,054 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] [2025-03-15 00:19:54,068 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] [2025-03-15 00:19:54,068 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] [2025-03-15 00:19:54,069 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] [2025-03-15 00:19:54,069 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] [2025-03-15 00:19:54,071 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] [2025-03-15 00:19:54,071 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] [2025-03-15 00:19:54,071 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] [2025-03-15 00:19:54,071 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] [2025-03-15 00:19:54,075 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] [2025-03-15 00:19:54,075 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] [2025-03-15 00:19:54,076 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] [2025-03-15 00:19:54,076 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] [2025-03-15 00:19:54,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:19:54,283 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:19:54,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54 WrapperNode [2025-03-15 00:19:54,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:19:54,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:19:54,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:19:54,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:19:54,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:54,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:54,596 INFO L138 Inliner]: procedures = 289, calls = 1736, calls flagged for inlining = 468, calls inlined = 551, statements flattened = 8847 [2025-03-15 00:19:54,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:19:54,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:19:54,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:19:54,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:19:54,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:54,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:54,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:54,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:54,872 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:54,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:54,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:54,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:54,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:55,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:19:55,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:19:55,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:19:55,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:19:55,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (1/1) ... [2025-03-15 00:19:55,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:19:55,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:19:55,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 00:19:55,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 00:19:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-15 00:19:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2025-03-15 00:19:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2025-03-15 00:19:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-15 00:19:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2025-03-15 00:19:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2025-03-15 00:19:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:19:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:19:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:19:55,063 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 00:19:55,532 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:19:55,534 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:20:01,681 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:20:01,682 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:20:01,796 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:20:01,796 INFO L312 CfgBuilder]: Removed 29 assume(true) statements. [2025-03-15 00:20:01,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:20:01 BoogieIcfgContainer [2025-03-15 00:20:01,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:20:01,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:20:01,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:20:01,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:20:01,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:19:52" (1/3) ... [2025-03-15 00:20:01,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5352417b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:20:01, skipping insertion in model container [2025-03-15 00:20:01,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:19:54" (2/3) ... [2025-03-15 00:20:01,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5352417b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:20:01, skipping insertion in model container [2025-03-15 00:20:01,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:20:01" (3/3) ... [2025-03-15 00:20:01,805 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2025-03-15 00:20:01,816 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:20:01,819 INFO L169 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. [2025-03-15 00:20:01,819 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:20:03,336 INFO L143 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2025-03-15 00:20:03,656 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:20:03,671 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=All, 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;@61adc779, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:20:03,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 843 error locations. [2025-03-15 00:20:03,909 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:20:03,910 INFO L124 PetriNetUnfolderBase]: 2/759 cut-off events. [2025-03-15 00:20:03,912 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:20:03,912 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:20:03,913 INFO L221 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] [2025-03-15 00:20:03,913 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)] === [2025-03-15 00:20:03,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:20:03,921 INFO L85 PathProgramCache]: Analyzing trace with hash -926800108, now seen corresponding path program 1 times [2025-03-15 00:20:03,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:20:03,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212407857] [2025-03-15 00:20:03,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:20:03,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:20:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:20:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:20:05,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:20:05,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212407857] [2025-03-15 00:20:05,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212407857] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:20:05,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:20:05,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:20:05,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284306457] [2025-03-15 00:20:05,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:20:05,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:20:05,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:20:05,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:20:05,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:20:05,275 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 10134 out of 10394 [2025-03-15 00:20:05,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 10055 places, 10392 transitions, 20817 flow. Second operand has 3 states, 3 states have (on average 10135.333333333334) internal successors, (30406), 3 states have internal predecessors, (30406), 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) [2025-03-15 00:20:05,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:20:05,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10134 of 10394 [2025-03-15 00:20:05,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:21:18,049 INFO L124 PetriNetUnfolderBase]: 4397/57581 cut-off events. [2025-03-15 00:21:18,050 INFO L125 PetriNetUnfolderBase]: For 1186/1358 co-relation queries the response was YES. [2025-03-15 00:21:21,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63827 conditions, 57581 events. 4397/57581 cut-off events. For 1186/1358 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 661672 event pairs, 446 based on Foata normal form. 9454/60728 useless extension candidates. Maximal degree in co-relation 61564. Up to 5005 conditions per place. [2025-03-15 00:21:22,109 INFO L140 encePairwiseOnDemand]: 10261/10394 looper letters, 113 selfloop transitions, 2 changer transitions 2/9942 dead transitions. [2025-03-15 00:21:22,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 9747 places, 9942 transitions, 20156 flow [2025-03-15 00:21:22,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:21:22,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:21:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 30773 transitions. [2025-03-15 00:21:22,169 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9868834584054903 [2025-03-15 00:21:22,173 INFO L298 CegarLoopForPetriNet]: 10055 programPoint places, -308 predicate places. [2025-03-15 00:21:22,173 INFO L471 AbstractCegarLoop]: Abstraction has has 9747 places, 9942 transitions, 20156 flow [2025-03-15 00:21:22,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10135.333333333334) internal successors, (30406), 3 states have internal predecessors, (30406), 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) [2025-03-15 00:21:22,194 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:21:22,194 INFO L221 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:21:22,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:21:22,195 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONDATA_RACE, ldv_character_driver_scenario_2Err1ASSERT_VIOLATIONDATA_RACE (and 841 more)] === [2025-03-15 00:21:22,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:21:22,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1699171723, now seen corresponding path program 1 times [2025-03-15 00:21:22,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:21:22,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995778158] [2025-03-15 00:21:22,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:21:22,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:21:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:21:23,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:21:23,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:21:23,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995778158] [2025-03-15 00:21:23,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995778158] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:21:23,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:21:23,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:21:23,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878870959] [2025-03-15 00:21:23,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:21:23,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:21:23,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:21:23,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:21:23,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:21:23,049 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 10138 out of 10394 [2025-03-15 00:21:23,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 9747 places, 9942 transitions, 20156 flow. Second operand has 3 states, 3 states have (on average 10139.666666666666) internal successors, (30419), 3 states have internal predecessors, (30419), 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) [2025-03-15 00:21:23,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:21:23,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10138 of 10394 [2025-03-15 00:21:23,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand