/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 ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -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-dev-4cc0a57-m [2025-04-14 11:31:41,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 11:31:41,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 11:31:41,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 11:31:41,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 11:31:41,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 11:31:41,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 11:31:41,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 11:31:41,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 11:31:41,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 11:31:41,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 11:31:41,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 11:31:41,911 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 11:31:41,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 11:31:41,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 11:31:41,911 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 11:31:41,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 11:31:41,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 11:31:41,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 11:31:41,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 11:31:41,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 11:31:41,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 11:31:41,913 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 11:31:41,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 11:31:41,913 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 11:31:41,913 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 11:31:41,913 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 11:31:41,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:31:41,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:31:41,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:31:41,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:31:41,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 11:31:41,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:31:41,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:31:41,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:31:41,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:31:41,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 11:31:41,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 11:31:41,914 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 11:31:41,914 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 11:31:41,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 11:31:41,915 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 11:31:41,915 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 11:31:41,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 11:31:41,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 11:31:41,915 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 11:31:41,915 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 11:31:41,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 11:31:42,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 11:31:42,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 11:31:42,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 11:31:42,132 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 11:31:42,133 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 11:31:42,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2025-04-14 11:31:43,410 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c9472133/a10d8a0e17164957ae3a45fb26c4fd50/FLAG1612130ef [2025-04-14 11:31:43,778 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 11:31:43,778 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2025-04-14 11:31:43,801 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c9472133/a10d8a0e17164957ae3a45fb26c4fd50/FLAG1612130ef [2025-04-14 11:31:44,460 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c9472133/a10d8a0e17164957ae3a45fb26c4fd50 [2025-04-14 11:31:44,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 11:31:44,463 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 11:31:44,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 11:31:44,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 11:31:44,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 11:31:44,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:31:44" (1/1) ... [2025-04-14 11:31:44,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c960b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:44, skipping insertion in model container [2025-04-14 11:31:44,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:31:44" (1/1) ... [2025-04-14 11:31:44,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 11:31:45,505 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2025-04-14 11:31:45,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:31:45,613 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 11:31:45,682 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] [2025-04-14 11:31:45,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3662] [2025-04-14 11:31:45,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3665] [2025-04-14 11:31:45,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3668] [2025-04-14 11:31:45,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3671] [2025-04-14 11:31:45,778 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] [2025-04-14 11:31:45,780 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] [2025-04-14 11:31:45,780 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] [2025-04-14 11:31:45,780 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] [2025-04-14 11:31:45,781 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] [2025-04-14 11:31:45,782 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] [2025-04-14 11:31:45,782 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] [2025-04-14 11:31:45,782 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] [2025-04-14 11:31:45,798 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] [2025-04-14 11:31:45,798 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] [2025-04-14 11:31:45,798 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] [2025-04-14 11:31:45,798 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] [2025-04-14 11:31:45,800 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] [2025-04-14 11:31:45,801 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] [2025-04-14 11:31:45,801 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] [2025-04-14 11:31:45,801 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] [2025-04-14 11:31:45,804 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] [2025-04-14 11:31:45,804 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] [2025-04-14 11:31:45,804 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] [2025-04-14 11:31:45,805 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] [2025-04-14 11:31:45,872 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2025-04-14 11:31:45,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:31:45,946 INFO L204 MainTranslator]: Completed translation [2025-04-14 11:31:45,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45 WrapperNode [2025-04-14 11:31:45,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 11:31:45,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 11:31:45,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 11:31:45,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 11:31:45,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,195 INFO L138 Inliner]: procedures = 289, calls = 1735, calls flagged for inlining = 467, calls inlined = 550, statements flattened = 6401 [2025-04-14 11:31:46,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 11:31:46,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 11:31:46,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 11:31:46,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 11:31:46,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,310 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 11:31:46,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 11:31:46,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 11:31:46,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 11:31:46,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (1/1) ... [2025-04-14 11:31:46,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:31:46,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:31:46,465 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) [2025-04-14 11:31:46,470 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 [2025-04-14 11:31:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-04-14 11:31:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2025-04-14 11:31:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2025-04-14 11:31:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2025-04-14 11:31:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 11:31:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 11:31:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 11:31:46,492 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 11:31:46,900 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 11:31:46,902 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 11:31:50,705 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 11:31:50,705 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 11:31:55,601 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 11:31:55,601 INFO L312 CfgBuilder]: Removed 29 assume(true) statements. [2025-04-14 11:31:55,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:31:55 BoogieIcfgContainer [2025-04-14 11:31:55,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 11:31:55,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 11:31:55,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 11:31:55,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 11:31:55,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 11:31:44" (1/3) ... [2025-04-14 11:31:55,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a76c19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:31:55, skipping insertion in model container [2025-04-14 11:31:55,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:31:45" (2/3) ... [2025-04-14 11:31:55,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a76c19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:31:55, skipping insertion in model container [2025-04-14 11:31:55,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:31:55" (3/3) ... [2025-04-14 11:31:55,608 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2025-04-14 11:31:55,620 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 11:31:55,625 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i that has 4 procedures, 248 locations, 343 edges, 1 initial locations, 9 loop locations, and 1 error locations. [2025-04-14 11:31:55,625 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 11:31:56,209 INFO L143 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2025-04-14 11:31:56,250 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:31:56,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 11:31:56,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:31:56,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 11:31:56,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 11:31:56,674 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 11:31:56,688 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_character_driver_scenario_2Thread1of1ForFork0 ======== [2025-04-14 11:31:56,695 INFO L340 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=PARTIAL_ORDER_FA, 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;@48d38bd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:31:56,695 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 11:35:25,726 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:35:25,727 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:35:25,727 INFO L139 ounterexampleChecker]: Examining path program with hash 929506047, occurence #1 [2025-04-14 11:35:25,727 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:35:25,727 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:35:25,729 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:35:25,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1889648971, now seen corresponding path program 1 times [2025-04-14 11:35:25,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:35:25,734 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911975489] [2025-04-14 11:35:25,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:35:25,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:35:27,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-04-14 11:35:28,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-04-14 11:35:28,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:35:28,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:35:29,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:35:29,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:35:29,512 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911975489] [2025-04-14 11:35:29,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911975489] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:35:29,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:35:29,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 11:35:29,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893685141] [2025-04-14 11:35:29,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:35:29,524 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 11:35:29,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:35:29,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 11:35:29,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 11:35:29,539 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:35:29,540 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:35:29,540 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2025-04-14 11:35:29,541 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:35:33,605 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-14 11:35:37,885 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-14 11:40:22,845 WARN L195 Elim1Store]: Array PQE input equivalent to false Received shutdown request... [2025-04-14 11:45:45,241 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 11:45:45,246 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 11:45:45,319 WARN L228 SmtUtils]: Removed 2 from assertion stack [2025-04-14 11:45:45,320 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 11:45:45,320 WARN L610 AbstractCegarLoop]: Verification canceled: while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 23ms.. [2025-04-14 11:45:45,326 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 11:45:45,338 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-04-14 11:45:45,340 INFO L320 ceAbstractionStarter]: Result for error location ldv_character_driver_scenario_2Thread1of1ForFork0 was TIMEOUT (1/3) [2025-04-14 11:45:45,345 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 11:45:45,345 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 11:45:45,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 11:45:45,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 11:45:45 BasicIcfg [2025-04-14 11:45:45,437 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 11:45:45,438 INFO L158 Benchmark]: Toolchain (without parser) took 840974.32ms. Allocated memory was 125.8MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 82.0MB in the beginning and 181.6MB in the end (delta: -99.6MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2025-04-14 11:45:45,438 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 209.7MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 11:45:45,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1484.37ms. Allocated memory was 125.8MB in the beginning and 348.1MB in the end (delta: 222.3MB). Free memory was 82.0MB in the beginning and 262.4MB in the end (delta: -180.4MB). Peak memory consumption was 86.1MB. Max. memory is 8.0GB. [2025-04-14 11:45:45,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 246.85ms. Allocated memory is still 348.1MB. Free memory was 262.4MB in the beginning and 228.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-14 11:45:45,438 INFO L158 Benchmark]: Boogie Preprocessor took 239.97ms. Allocated memory is still 348.1MB. Free memory was 228.8MB in the beginning and 200.2MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2025-04-14 11:45:45,438 INFO L158 Benchmark]: RCFGBuilder took 9164.14ms. Allocated memory was 348.1MB in the beginning and 1.0GB in the end (delta: 675.3MB). Free memory was 200.2MB in the beginning and 455.1MB in the end (delta: -255.0MB). Peak memory consumption was 799.8MB. Max. memory is 8.0GB. [2025-04-14 11:45:45,438 INFO L158 Benchmark]: TraceAbstraction took 829833.83ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 167.8MB). Free memory was 455.1MB in the beginning and 181.6MB in the end (delta: 273.6MB). Peak memory consumption was 604.4MB. Max. memory is 8.0GB. [2025-04-14 11:45:45,439 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 209.7MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1484.37ms. Allocated memory was 125.8MB in the beginning and 348.1MB in the end (delta: 222.3MB). Free memory was 82.0MB in the beginning and 262.4MB in the end (delta: -180.4MB). Peak memory consumption was 86.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 246.85ms. Allocated memory is still 348.1MB. Free memory was 262.4MB in the beginning and 228.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 239.97ms. Allocated memory is still 348.1MB. Free memory was 228.8MB in the beginning and 200.2MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * RCFGBuilder took 9164.14ms. Allocated memory was 348.1MB in the beginning and 1.0GB in the end (delta: 675.3MB). Free memory was 200.2MB in the beginning and 455.1MB in the end (delta: -255.0MB). Peak memory consumption was 799.8MB. Max. memory is 8.0GB. * TraceAbstraction took 829833.83ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 167.8MB). Free memory was 455.1MB in the beginning and 181.6MB in the end (delta: 273.6MB). Peak memory consumption was 604.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3628]: 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] - GenericResultAtLocation [Line: 3662]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3662] - GenericResultAtLocation [Line: 3665]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3665] - GenericResultAtLocation [Line: 3668]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3668] - GenericResultAtLocation [Line: 3671]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3671] - GenericResultAtLocation [Line: 4769]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___12->state): : "memory", "cc"); [4769-4770] - GenericResultAtLocation [Line: 4776]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___13->state): : "memory", "cc"); [4776-4777] - GenericResultAtLocation [Line: 4783]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___14->state): : "memory", "cc"); [4783-4784] - GenericResultAtLocation [Line: 4790]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___15->state): : "memory", "cc"); [4790-4791] - GenericResultAtLocation [Line: 4837]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [4837-4838] - GenericResultAtLocation [Line: 4844]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [4844-4845] - GenericResultAtLocation [Line: 4851]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___19->state): : "memory", "cc"); [4851-4852] - GenericResultAtLocation [Line: 4858]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___20->state): : "memory", "cc"); [4858-4859] - GenericResultAtLocation [Line: 5071]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5071-5072] - GenericResultAtLocation [Line: 5078]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5078-5079] - GenericResultAtLocation [Line: 5085]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5085-5086] - GenericResultAtLocation [Line: 5092]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5092-5093] - GenericResultAtLocation [Line: 5152]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5152-5153] - GenericResultAtLocation [Line: 5159]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___7->state): : "memory", "cc"); [5159-5160] - GenericResultAtLocation [Line: 5166]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [5166-5167] - GenericResultAtLocation [Line: 5173]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [5173-5174] - GenericResultAtLocation [Line: 5263]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [5263-5264] - GenericResultAtLocation [Line: 5270]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [5270-5271] - GenericResultAtLocation [Line: 5277]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___17->state): : "memory", "cc"); [5277-5278] - GenericResultAtLocation [Line: 5284]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___18->state): : "memory", "cc"); [5284-5285] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22369, independent: 21956, independent conditional: 1566, independent unconditional: 20390, dependent: 405, dependent conditional: 198, dependent unconditional: 207, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22201, independent: 21956, independent conditional: 1566, independent unconditional: 20390, dependent: 237, dependent conditional: 30, dependent unconditional: 207, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22201, independent: 21956, independent conditional: 1566, independent unconditional: 20390, dependent: 237, dependent conditional: 30, dependent unconditional: 207, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22231, independent: 21956, independent conditional: 1566, independent unconditional: 20390, dependent: 267, dependent conditional: 60, dependent unconditional: 207, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22231, independent: 21956, independent conditional: 0, independent unconditional: 21956, dependent: 267, dependent conditional: 0, dependent unconditional: 267, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22231, independent: 21956, independent conditional: 0, independent unconditional: 21956, dependent: 267, dependent conditional: 0, dependent unconditional: 267, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17971, independent: 17754, independent conditional: 0, independent unconditional: 17754, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17972, independent: 17703, independent conditional: 0, independent unconditional: 17703, dependent: 269, dependent conditional: 0, dependent unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 268, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 268, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticIndependenceRelation.Query Time [ms]: [ total: 637983, independent: 28732, independent conditional: 0, independent unconditional: 28732, dependent: 218205, dependent conditional: 0, dependent unconditional: 218205, unknown: 391046, unknown conditional: 0, unknown unconditional: 391046] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 22231, independent: 4202, independent conditional: 0, independent unconditional: 4202, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 17971, unknown conditional: 0, unknown unconditional: 17971] , Statistics on independence cache: Total cache size (in pairs): 17971, Positive cache size: 17754, Positive conditional cache size: 0, Positive unconditional cache size: 17754, Negative cache size: 209, Negative conditional cache size: 0, Negative unconditional cache size: 209, Unknown cache size: 8, Unknown conditional cache size: 0, Unknown unconditional cache size: 8, Eliminated conditions: 1626, Maximal queried relation: 1, Independence queries for same thread: 168, Persistent sets #1 benchmarks: Persistent set computation time: 627.4s, Number of persistent set computation: 295, Number of trivial persistent sets: 2, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20605, independent: 20390, independent conditional: 0, independent unconditional: 20390, dependent: 207, dependent conditional: 0, dependent unconditional: 207, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22369, independent: 21956, independent conditional: 1566, independent unconditional: 20390, dependent: 405, dependent conditional: 198, dependent unconditional: 207, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22201, independent: 21956, independent conditional: 1566, independent unconditional: 20390, dependent: 237, dependent conditional: 30, dependent unconditional: 207, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22201, independent: 21956, independent conditional: 1566, independent unconditional: 20390, dependent: 237, dependent conditional: 30, dependent unconditional: 207, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22231, independent: 21956, independent conditional: 1566, independent unconditional: 20390, dependent: 267, dependent conditional: 60, dependent unconditional: 207, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22231, independent: 21956, independent conditional: 0, independent unconditional: 21956, dependent: 267, dependent conditional: 0, dependent unconditional: 267, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22231, independent: 21956, independent conditional: 0, independent unconditional: 21956, dependent: 267, dependent conditional: 0, dependent unconditional: 267, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17971, independent: 17754, independent conditional: 0, independent unconditional: 17754, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17972, independent: 17703, independent conditional: 0, independent unconditional: 17703, dependent: 269, dependent conditional: 0, dependent unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 268, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 268, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticIndependenceRelation.Query Time [ms]: [ total: 637983, independent: 28732, independent conditional: 0, independent unconditional: 28732, dependent: 218205, dependent conditional: 0, dependent unconditional: 218205, unknown: 391046, unknown conditional: 0, unknown unconditional: 391046] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 22231, independent: 4202, independent conditional: 0, independent unconditional: 4202, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 17971, unknown conditional: 0, unknown unconditional: 17971] , Statistics on independence cache: Total cache size (in pairs): 17971, Positive cache size: 17754, Positive conditional cache size: 0, Positive unconditional cache size: 17754, Negative cache size: 209, Negative conditional cache size: 0, Negative unconditional cache size: 209, Unknown cache size: 8, Unknown conditional cache size: 0, Unknown unconditional cache size: 8, Eliminated conditions: 1626, Maximal queried relation: 1, Independence queries for same thread: 168 - TimeoutResultAtElement [Line: 7269]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 23ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ldv_character_driver_scenario_2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 495 locations, 700 edges, 7 error locations. Started 1 CEGAR loops. OverallTime: 828.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 824.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown